| Lat / long: | 34.48345, -92.98351 |
| Primary: | Niobium (Columbium) |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| MRDS | D001781 |
| DEP | 10009108 |
| Reference | FRYKLUND AND OTHERS, 1954, NIOBIUM AND TITANIUM AT MAGNET COVE AND POTASH SULPHUR SPRINGS, ARKANSAS, U. S. G. S. BULL. 1015 - |
| Reporter | Parker, Raymond L. |