1. Geologic map of the Courthouse Mountain quadrangle, Gunnison, Hinsdale, and Ouray counties, Colorado
1988. 2002-06-01T04:00:00Z. 2012-07-05T15:50:37Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Colorado, Gunnison County, Hinsdale County, and Ouray County.