United States Geological Survey Professional Paper

Contributions to the geology and paleontology of San Juan County, New Mexico. 2. Vertebrate faunas of the Ojo Alamo, Kirtland and Fruitland Formations - 1916

North American Upper Cretaceous corals of the genus Micrabacia - 1916

Brachyceratops, a ceratopsian dinosaur from the Two Medicine Formation of Montana, with notes on associated fossil reptiles - 1917

The reef-coral fauna of Carrizo Creek, Imperial County, California, and its significance - 1917

Reptilian faunas of the Torrejon, Puerco, and underlying Upper Cretaceous formations of San Juan County, New Mexico - 1919

Corals from the Cannonball marine member of the Lance Formation - 1920

The flora of the Cheyenne Sandstone of Kansas - 1922

Orthaulax, a Tertiary Guide Fossil - 1922

New species of Mollusca from the Eocene deposits of southwestern Texas - 1923

Upper Cretaceous and Tertiary formations of the western part of the San Juan Basin of Colorado and New Mexico - 1924

The fauna of the Ripley formation on Coon creek, Tennessee - 1926

The flora of the Frontier Formation - 1929

The Flora of the New Albany Shale. Part 1. Diichnia kentuckiensis, A New Representative of the Calamopityeae - 1936

The Flora of the New Albany Shale, Part 2. The Calamopityeae and Their Relationships - 1937

No title - 1941

Growth series of ostracodes from the Permian of Texas - 1950

Upper Silurian brachiopods from southeastern Alaska - 1952

Cenomanian ammonite fauna from the Mosby Sandstone of central Montana - 1953

No title - 1953

Callovian (Jurassic) ammonites from the United States and Alaska Part 2. Alaska Peninsula and Cook Inlet regions - 1953

No title - 1953

Late Paleozoic Stratigraphy of Central Cochise County arizona - 1954

A new species of Merychippus - 1955

Basal Eagle Ford fauna (Cenomanian) in Johnson and Tarrant Counties, Texas - 1955

Order Hemiptera, in Miocene arthropods from the Mojave desert, California - 1957

Geology and Paleontology of Canal Zone and adjoining parts of Panama. - 1957

Order Acarina, in Miocene arthropods from the Mojave desert, California - 1957

No title - 1957

Order Thysanoptera, in Miocene arthropods from the Mojave desert, California - 1957

Miocene arthropods from the Mojave desert, California - 1957

Order Aranei, in Miocene arthropods from the Mojave desert, California - 1957

Brachiopod fauna of Saturday Mountain Formation Southern Lemhi Range Idaho - 1959

Tertiary and Quaternary Gastropoda of Okinawa: A comparison of the late Miocene, Pliocene, and Pleistocene Gastropoda of Okinawa with related faunas of East Asia together with a resume of the geological setting of the fossiliferous deposits - 1960

No title - 1960

Geology and Ore Deposits of East Shasta Copper-Zinc District Shasta County, California - 1961

Late Permian ammonoids in the Inyo Range, California, and their significance - 1961

No title - 1961

Glyptagnostus and associated trilobites in the United States - 1962

Geology of San Nicolas Island, California - 1963

Geology of the Three Forks Quadrangle, Montana - 1963

No title - 1963

Paleozoic rocks of Antelope Valley, Eureka and Nye Counties, Nevada - 1963

Miocene Vertebrates of the Barstow Formation in Southern California - 1964

Eocene megafossils from Ishigaki-shima Ryukyu-retto - 1964

Middle Devonian plant fossils from Northern Maine - 1964

Revision of Some Paleozoic Coral Species from the Western United States - 1965

No title - 1965

Geology of Ishigaki-shima Ryukyu-retto - 1965

No title - 1965

Late Pleistocene marine paleoecology and zoogeography on Central California - 1966

Paleozoic Gastropoda from the Moose River synclinorium, northern Maine - 1966

The Red Bird Section of the Upper Cretaceous Pierre Shale in Wyoming - 1966

Permian coleoid cephalopods from the Phosphoria Formation in Idaho and Montana - 1966

No title - 1966

No title - 1967

Some Middle Ordovician Brachiopods and Trilobites from the Basin Ranges, Western United States - 1967

Some Middle Ordovician brachiopods and trilobites from the Basin Ranges, western United States, with stratigraphic sections A. North of Pyramid Peak, California - 1967

Stratigraphic Paleontology of the Barstow Formation in the Alvord Mountain Area, San Bernardino County, California - 1968

Brachiopods from the Upper Part of the Garden City Formation (Ordovician) North-Central Utah - 1968

No title - 1968

Biostratigraphy of the Phosphoria, Park City, and Shedhorn Formations; Geology of Permian Rocks in the Western Phosphate Field - 1968

No title - 1969

Occurrence of the Late Cretaceous ammonites Didymoceras stevensoni (Whitfield) and Exiteloceras jenneyi (Whitfield) in Delaware - 1970

Ordovician brachiopods, trilobites, and stratigraphy in eastern and central Nevada - 1970

Miocene Gastropods and Biostratigraphy of the Kern River Area, California - 1970

Early Silurian Graptolites From Southeastern Alaska and Their Correlation With Graptolitic Sequences in North America and the Arctic - 1970

Middle Pleistocene Leporidae from the San Pedro valley, Arizona - 1970

Local stratigraphic and tectonic significance of Leptoceratops, a Cretaceous dinosaur in the Pinyon Conglomerate, northwestern Wyoming - 1970

Ordovician Brachiopods, Trilobites, and Stratigraphy in Eastern and Central Nevada - 1970

The Ordovician-Silurian boundary in the York Mountains, western Seward Peninsula, Alaska - 1971

Paleocene mollusks from the Gulf of Alaska Tertiary province - a significant new occurrence on the North Pacific Rim - 1971

Primitive squid gladii from the Permian of Utah - 1971

No title - 1972

Cretaceous and early Tertiary depositional and tectonic history of the Livingston area, southwestern Montana - 1972

Stratigraphy and ammonite fauna and the Graneros Shale and Greenhorn Limestone near Pueblo, Colorado. United States Geological Survey Professional Paper - 1972

Devonian carrier shells (Euomphalidae) from North America and Germany - 1973

Stratigraphic distribution and zonation of Jurassic (Callovian) ammonites in southern Alaska - 1975

No title - 1975

Ordovician, Silurian, and Devonian corals of Alaska - 1975

No title - 1975

Stratigraphy and geologic history of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming - 1975

Stratigraphy of post-Paleozoic rocks and summary of resources in th Carlin-Pinon Range area, Nevada - 1976

Molluscan paleontology of the lower Miocene Clallam Formation, northwestern Washington - 1976

Biostratigraphy and Regional Relations of the Mississippian Leadville Limestone in the San Juan Mountains, Southwestern Colorado - 1976

No title - 1976

Oligocene marine mollusks from the Pittsburg Bluff Formation in Oregon - 1976

Silurian-Devonian pelecypods and Paleozoic stratigraphy of subsurface rocks in Florida and Georgia and related Silurian pelecypods from Bolivia and Turkey - 1976

Miocene molluscks of the Topsy Formation, Lituya district, Gulf of Alaska Tertiary Province, Alaska - 1979

Physical Stratigraphy and Trilobite Biostratigraphy of the Carrara Formation (Lower and Middle Cambrian) in the Southern Great Basin - 1979

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

The Upper Ordovician and Silurian Hanson Creek Formation of central Nevada - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho Stratigraphic and Structural Revisions, and New Data on Graptolite Fauna - 1980

A late Oligocene or earliest Miocene molluscan fauna from Sitkinak Island, Alaska - 1981

Stratigraphy, paleontology, and geology of the Central Santa Cruz Mountains, California Coast Ranges - 1981

No title - 1981

Geology, Paleontology, and Correlation of Eocene Volcaniclastic Rocks, Southeast Absaroka Range, Hot Springs County, Wyoming - 1982

Some silicifled strophomenacean brachiopods from the Ordovician of Kentucky, with comments on the genus Pionomena - 1982

Late Triassic Bivalves of the Martin Bridge Limestone, Hells Canyon, Oregon: Taphonomy, Paleoecology, Paleozoogeography - 1983

Stratigraphy and Characteristic Mollusks of the Pamunkey Group (Lower Tertiary) and the Old Church Formation of the Chesapeake Group-Virginia Coastal Plain - 1985

Late Triassic coelenterate faunas of western Idaho and northeastern Oregon: implications for biostratigraphy and paleogeography - 1986

No title - 1987

No title - 1988

No title - 1991

No title - 1991

Middle and Upper Ordovician symmetrical univalved mollusks (Monoplacophora and Bellerophontina) of the Cincinnati Arch region - 1992

No title - 1992

Upper Ordovician-Silurian macrofossil biostratigraphy of the Eastern Great Basin, Utah and Nevada - 1997

Late Triassic (Norian) mollusks from the Taylor Mountains quadrangle, southwestern Alaska - 2000

Early Middle Devonian (Eifelian) Gastropods from the Wadleigh Limestone in the Alexander Terrane of Southeastern Alaska Demonstrate Biogeographic Affinities with Central Alaskan Terranes (Farewell and Livengood) and Eurasia - 2001

New occurrences of Late Paleozoic and Triassic fossils from the Seventymile and Yukon-Tanana terranes, east-central Alaska, with comments on previously published occurrences in the same area - 2001

Kirkospira, a new Silurian gastropod from Glacier Bay, southeastern Alaska - 2001