211. Geologic map of the South Pass City quadrangle, Fremont County, Wyoming [cartographic material]
1965. 2011-12-20T15:06:27Z. 2012-03-05T17:26:23Z. Bayley, Richard W. (Richard William), 1919-. U.S. Geological Survey. English. Public. Wyoming, Fremont County, and U.S.