Active mines

Active mines and mineral plants in the US (2003): Mine plants and operations for commodities monitored by the National Minerals Information Center of the USGS. Operations included are those considered active in 2003 and surveyed by the USGS.

Active mines and mineral plants in the US (2003)
legend for Active mines and mineral plants in the US (2003)
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Need more? You can View, Download, and Understand this data source at https://MRData.usgs.gov/mineplant/.

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