Geologic atlas of the United States.
Campbell, Marius Robinson,1858-1940.
Geological Survey (U.S.)
Washington, D.C. : Dept. of the Interior, U.S. Geological Survey,
1925.
Cover title.
Title on map: Geologic map of Wyoming.
1 map issued in folder (56 x 47 cm.).
Map sheet joined from two parts.
Map base shows streams, railroads, counties and towns.
Geology