Subject: Mines and mineral resources / Year: 1921 - Yale University Library GeoBlacklight Search Results

Start Over Subject Mines and mineral resources Year 1921

1. Map of West Virginia showing coal, oil, gas, iron ore and limestone areas

1921. 2018-05-29T18:35:00Z. 2018-05-29T18:35:00Z. West Virginia Geological and Economic Survey. West Virginia Geological Survey, Lith. by A. Hoen & Co.). English. cartographic image. Public. West Virginia and West Virginia.

2. Map of Yuba Dam Flats

1921. 2019-10-15T20:01:41Z. 2019-11-23T22:34:59Z. Breckenridge Mining and Cyaniding Company, publisher. Breckenridge Mining and Cyaniding Company. English. cartographic image. Public. Colorado, Summit County, and Summit County (Colo.).