Report of the United States Geological Survey, Vol. 2 F. V. Hayden

Excerpt from Report of the United States Geological Survey, Vol. 2: Of the Territories

Office of the United States Geological Survey of the Territories, Washington, D.C., October 5, 1875.

Sir: The very valuable memoir, by Prof. E. D. Cope, Это и многое другое вы найдете в книге Report of the United States Geological Survey, Vol. 2 (F. V. Hayden)