Subject: Mines and mineral resources / Year: 1930 - Yale University Library GeoBlacklight Search Results

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. Karta poleznykh iskopaemykh paĭona Donbassa i Krivogo Roga

1930. 2011-02-25T17:04:32Z. 2021-05-21T16:48:23Z. Izdanie Prezidiuma VSNKH-SSSR. Russian. Public. Donets Basin (Ukraine and Russia), Ukraine, Kryvyĭ Rih, and Kryvyĭ Rih (Ukraine).

4. Sugar Loaf--St. Kevin mining districts, Colo

1930. 2018-05-15T19:50:48Z. 2022-12-08T04:43:49Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Lake County (Colo.), Colorado, Lake County, and Lake County.