|
USA | |
| Betts, John (n.d.) John Betts website listing. |
| Michael Shaw collection. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. USGS Prof Paper 588 |
| USGS MRDS Database, Deposit Id 10175899 |
| Rob Lavinsky |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Martins da Pedra collection |
| Mcknight, Edwin and Fischer, Richard, (1970) Geology and Ore Deposits of the Picher Field Oklahoma and Kansas: U.S. Geol. Prof. Paper 588, 165p. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Michael G. Shaw Collection |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Specimen, K. Nash Coll. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| dan weinrich |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Picher Field, Ottawa County, Oklahoma, USA