Pyrite from selected localities.
USA | |
| Campbell, T.J., Roberts, W.L. (1985) Mineral Localities in the Black Hills of South Dakota. Rocks & Minerals: 60(3): 109-118 (117). |
R&M 75:3 pp 156-169 | |
U.S. Geological Survey Professional Paper 297 |
USA | |
| Campbell, T.J., Roberts, W.L. (1985) Mineral Localities in the Black Hills of South Dakota. Rocks & Minerals: 60(3): 109-118 (117). |
R&M 75:3 pp 156-169 | |
U.S. Geological Survey Professional Paper 297 |