|
American Copper
and Nickel
Company, Inc.
|
Independence Mining
Company, Inc.
|
|
Augment Technologies
|
Jersey Miniere Zinc
|
|
Augusta
Resource Corporation |
Kennecott Exploration Company |
|
Aurelio
Resource Corporation |
Metall Mining Corporation |
|
Aur Resources (USA), Inc.
|
Newcrest Resources, Inc.
|
|
Azco Mining, Inc.
|
Newmont Gold Company
|
|
Barrick Gold Exploration, Inc.
|
Nord Resources Corporation
|
|
BHP Minerals International, Inc.
|
North Mining, Inc.
|
|
Bonanza Explorations, Inc.
|
Pegasus Gold Corporation
|
|
Caledonia Mining Corporation
|
Phelps Dodge Corporation |
|
Cambior USA, Inc.
|
Placer Dome, Inc.
|
|
Cominco American Resources, Inc.
|
P. T. Freeport Indonesia
|
|
Cordex Exploration Company
|
Reese
River Resources, Inc.
|
|
Cornucopia Resources Ltd.
|
Reynolds Metals Exploration, Inc.
|
|
Corona Gold, Inc.
|
Rio Algom Ltd.
|
|
Cyprus Climax Metals Company
|
Robinson Nevada Mining Company
|
|
Cyprus Zinc Corporation
|
RockTek USA, Inc.
|
|
Echo Bay Mines Ltd.
|
Silver Eagle Natural
Resources, Inc.
|
|
Euro-Nevada Mining
Corporation Ltd.
|
United States Geological Survey
|
|
Fulcrum Management, Inc.
|
Tetra Tech, Inc.
|
|
Gibraltar Mines Exploration Ltd.
|
Tetra
Tech MM, Inc.
|
|
Glamis Gold Exploration, Inc.
|
Vengold, Inc.
|
|
Hecla Mining Company |
Ventura Gold Corporation |
|
Homestake Canada, Inc. |
Wildcat Silver Corporation |
|
Homestake Mining Company
|
Western Mining Corporation (U.S.A.)
|
