Correspondence ?Hayden (Ferdinand) and Engelmann (George); Hayden to Engelmann, 1850-1876

The Great West

Tenth Annual Report of the United States Geological and Geographical Survey of the Territories, Embracing Colorado and Parts of Adjacent Territories

Preliminary Report of the United States Geological Survey of Montana and Portions of Adjacent Territories

Annual Report of the United States Geological and Geographical Survey of the Territories, Embracing Colorado and Parts of Adjacent Territories

Preliminary Report of the United States Geological Survey of Wyoming and Portions of the Contiguous Territories

Contributions to the ethnography and philology of the Indian tribes of the Missouri Valley

Report of the United States Geological Survey of the Territories

Great West

Geological Report of the Exploration of the Yellowstone and Missouri Rivers

North America