|
USA | |
- Hill City Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| USGS Bull 380D |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Koschmann, Albert Herbert, Bergendahl, M.H. (1968) Principal gold-producing districts of the United States. Professional Paper 610. US Geological Survey doi:10.3133/pp610 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| U.S. Geological Survey Professional Paper 297 |
| USGS Prof Paper 297B |
| Černý, P., Roberts, W. L., Ercit, T. S., Chapman, R. (1985) Wodginite and associated oxide minerals from the Peerless pegmatite, Pennington County, South Dakota. American Mineralogist, 70 (9-10) 1044-1049 USGS Prof Paper 297A |
| Norton, James J. (1964) Pegmatites and other Precambrian Rocks in the Southern Black Hills Geology and mineral deposits of some pegmatites in the southern Black Hills, South Dakota. USGS Professional Paper 297E. |
| Koschmann, Albert Herbert, Bergendahl, M.H. (1968) Principal gold-producing districts of the United States. Professional Paper 610. US Geological Survey doi:10.3133/pp610 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |