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Subject
Mines and mineral resources
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Institution
Stanford
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Place
Washington (D.C.)
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Data type
Point
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Year
2001
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1 entry found
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1. Crushed Stone Operations in the United States, 2002
2001. Geological Survey (U.S.) Minerals Information Team. This point shapefile represents locations of crushed stone operations in the United States. These data were obtained from information reported volu... National Atlas of the United States.