Subject: Mines and mineral resources / Spatial Coverage: San Miguel County - Yale University Library GeoBlacklight Search Results

Start Over Subject Mines and mineral resources Spatial Coverage San Miguel County

1. Ironton and vicinity, Colorado

1930. 2002-07-18T14:36:08Z. 2015-10-27T22:19:25Z. Geological Survey (U.S.). The Survey. English. Public. Colorado, Ouray County, San Miguel County, Ouray County (Colo.), and San Miguel County (Colo.).

2. Ironton and vicinity, Colorado

1930. 2018-05-15T19:36:45Z. 2022-12-08T04:43:49Z. Geological Survey (U.S.). U.S. Geological Survey. English. cartographic image. Public. Ouray County (Colo.), San Miguel County (Colo.), Colorado, Ouray County, San Miguel County, Ouray County., and San Miguel County.

3. Telluride Mining District, Colorado

1928. 2018-05-15T19:34:39Z. 2018-05-15T19:34:39Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. San Miguel County (Colo.), Ouray County (Colo.), Colorado, San Miguel County, Ouray County, Ouray County., and San Miguel County.