Active Mines and Mineral Processing Plants in the United States in 2003

Jul 6, 2011
This data set includes mineral and metal operations in the United States. The data represent commodities monitored by the National Minerals Information Center of the USGS, and the operations included are those considered active in 2003 and surveyed by the MIT.

Additional mineral and metal operations information can be obtained from the U.S. Geological Survey National Minerals Information Center web page at: <>
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 U.S. Geological Survey
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 Online_Linkage: <>
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 U.S. Geological Survey
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None. Acknowledgment of the National Minerals Information Center, U.S. Geological Survey, Department of the Interior, government of the United States of America would be appreciated in products derived from these data.
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