The invertebrate fossils collected in portions of Nevada, Utah, Colorado, New Mexico, Arizona, by parties of the Expeditions of 1871, 1872, 1873 and 1874. Chapter VI, Carboniferous age

C. A. White

1877

Article

Report upon U.S. Geographical Surveys west of the 100th Meridian, (G.M. Wheeler surveys) 4(1):79-161

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