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Prospect- and Mine-Related Features from U.S. Geological Survey 7.5- and...
These data are part of a larger USGS project to develop an updated geospatial database of mines, mineral deposits and mineral regions in the United States. Mine and prospect-... -
Prospect- and Mine-Related Features from U.S. Geological Survey 7.5- and...
These data are part of a larger USGS project to develop an updated geospatial database of mines, mineral deposits and mineral regions in the United States. Mine and prospect-...