- Peabody Coal, Kayenta Mine, AZ
- Foundation Coal, Belle Ayr Mine, WY
- Powder River Coal, North Antelope/Rochelle Mine, WY
- Trail Mountain Mine, Orangeville, UT
- Phelps Dodge, Morenci, AZ
- Round Mountain Gold, Round Mountain, NV
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- Pegasus Gold Mine, Florida Canyon Mining, Nevada
- Calmat/Azusa Rock, Azusa, CA
- Rocky Mountain Pipeline, Evanston, WY
- Newmont Gold Corp, Queen Stake Mine, NV
- Kennecott Utah Copper, Magna, UT
- Rio Tinto, Placer Dome, Cortez Hills, NV
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