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| Wyoming Prospecting Association, P.O. Box 1269, Riverton, WY 82501 |
| G.P.A.A. of Cheyenne, Bob Morrison - (307) 632-7895 |
| G.P.A.A. of Gillette, Bill Kocher - (307) 682-7055 |
| G.P.A.A. of Green River, Henry Harsha - (307) 875-4081 |
| G.P.A.A. of Powell, Larry O'Mara - (307) 899-3702 |
| G.P.A.A. of Sheridan, Ed Kline - (307) 683-2821 |
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| Cheyenne Mineral and Gem Society, P.O. Box 5418, Cheyenne, Wyoming 82003-5418 |
| Natrona County Rockhounds Club, P.O. Box 123, Mills, Wyoming 82644 |
| Shoshone Rock Club, P.O. Box 156, Powell, Wyoming 82435 |
| Riverton Mineral and Gem Society, P.O. Box 1904, Riverton, Wyoming 82501 |
| Rex Young Rock Club, 2402 East E, Torrington, Wyoming 82240 |
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