|
USA | |
| (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. |
| (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. |
| (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. |
| (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. |
| (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. |
| (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. |
| (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. |
| (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. |
| (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. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Betts, John (n.d.) John Betts website listing. |
| |
| Rocks & Min.:64:28. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Kelly Nash Collection |
| Conroy, Kevin (2023) Personal Communication. |
| Conroy, Kevin (2023) Personal Communication. |
| |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Betts, John (n.d.) John Betts website listing. |
| The Kansas University Quarterly, Volume 9 #3 pp161-165 |
| Winslow, Arthur (1894) Lead and Zinc Deposits (Section 2). Missouri Geological Survey, Volume VII: 599-600. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Winslow, Arthur (1894) Lead and Zinc Deposits (Section 2). Missouri Geological Survey, Volume VII: 599. |
| Winslow, Arthur (1894) Lead and Zinc Deposits (Section 2). Missouri Geological Survey, Volume VII: 599. |
| Winslow, Arthur (1894) Lead and Zinc Deposits (Section 2). Missouri Geological Survey, Volume VII: 599. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Rob Lavinsky (ex. Flo and Bill Smith, and George Feist specimen) |
| USGS Prof Paper 588 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Rocks & Min.: 64:27. |
| Lapis 17(1), 15-23 (1992) |
| Rocks & Min.: 64:27. |
| Rocks & Min.:64:23. |
| Lapis 17(1), 15-23 (1992) |
| (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. |
| (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. |
| (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. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Ballard Mine, Baxter Springs, Picher Field, Cherokee County, Kansas, USA