You searched for: Author Geological Survey (U.S.) Remove constraint Author: Geological Survey (U.S.) Subject Mines and mineral resources Remove constraint Subject: Mines and mineral resources Place Massachusetts Remove constraint Place: Massachusetts Place United States Remove constraint Place: United States Format Shapefile Remove constraint Format: Shapefile
2003. Geological Survey (U.S.). This point shapefile represents locations of agricultural minerals operations in the United States. The data represent commodities covered by the M... National Atlas of the United States.