Bingham Copper Mine , Salt Lake City, Utah

Barrick Goldstrike Mines, Elko, NV

Apex Mine, King County, Washington

Apex Mine, King County, Washington

Barrik Goldstrike Mines, Elko, NV

Compass Minerals, Ogden, Utah

Sierrita Mine, Sahuarita, AZ

Arcelor Mittal Minorca Mine, Virginia, Minnesota

Fimiston Open Pit, Kalgoorie, West Austrailia

Udachny Diamond Mine, Udachny, Russia

Barrik Goldstrike Mines, Elko, NV

Intrepid Potash, Moab, UT