Pitchblende from selected localities.
USA | |
| USGS OFR 66-87(Moench,1966); U.S. Geological Survey Professional Paper 371 |
USGS OFR 1966-87; U.S. Geological Survey Professional Paper 371 | |
U.S. Geological Survey Professional Paper 371 |
USA | |
| USGS OFR 66-87(Moench,1966); U.S. Geological Survey Professional Paper 371 |
USGS OFR 1966-87; U.S. Geological Survey Professional Paper 371 | |
U.S. Geological Survey Professional Paper 371 |