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Aerojet |
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Air Liquide |
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Analabs |
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Anglogold - Cripple Creek & Victor Gold |
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Allegheny Technologies Co. - Wah Chang |
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Barrick - Homestake Mine, Richmond Hill |
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Barrick - Minera Argentina Gold S.A.
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Barrick - Compania Minera Nevada - Chile |
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BHP Copper Co. - Pinto Valley Division |
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Clackamas County, OR |
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Coeur d'Alene Mines - Coeur Rochester |
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Great Lakes Chemical |
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Kinross Gold Corp. - Buckhorn Mine |
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Kinross Gold Corp. - Kettle River |
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Kinross Gold Corp. - Round Mountain |
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Hecla Mining Co. - Grouse Creek Project |
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Idaho Dept. of Environmental Quality |
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Kennecott Energy Co. - Antelope Coal Co. |
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Kennecott Minerals Co. - Greens Creek Mine |
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Lee County Port Authority |
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Minera Barrick Misquichilca S.A. - Pierina
Mine - Peru |
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Minera Barrick Misquichilca S.A. - Alto
Chicama Project - Peru |
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Pacific Power Vacuum |
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Phelps Dodge Bagdad |
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Phelps Dodge Chino Mines |
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Phelps Dodge Climax Metals Co. - Henderson Mine
and Mill |
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Phelps Dodge Climax Metals Co. - Climax Mine |
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Phelps Dodge - Cyprus Tohono Corporation |
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Phelps Dodge Miami |
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Phelps Dodge Sierrita Inc. |
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Phelps Dodge Tyrone |
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Quadra Mining - Robinson Project |
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Stillwater Mining Company |
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Thompson Creek Mining |
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U.S. Borax Inc. |
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