Geological map of portions of Wyoming, Idaho and Utah / 
Peale, Albert Charles.
Endlich, F. M.
Hayden, Ferdinand Vandeveer.
Saint John, Orestes.
[Washington, D.C.] :  Department of the Interior, 
1878.
In: Maps and Panoramas. Twelfth Annual Report of the United States Geological and Geographical Survey of the Territories. Sh. 2.