Active Mines and Mineral Plants in the US

Active mines and mineral plants in the US (http://tin.er.usgs.gov/mineplant/ ) includes mine plants and operations for commodities monitored by the Minerals Information Team of the USGS. Operations included are those considered active in 2003 and surveyed by the USGS.

http://tin.er.usgs.gov/metadata/mineplant.faq.html

Information is available for download in KML or KMZ (compressed) formats from the following site: http://tin.er.usgs.gov/mineplant/

Operation	Description
N/A