Pyrite from Garland County, Arkansas, USA
USA | |
| Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826 |
| R&M 70:3 pp 154-170 |
Owens, Don R. (1995) Minerals of the Wilson Springs Vanadium Mines, Potash Sulphur Springs, Arkansas. Rocks & Minerals: 70(3): 154-170. Howard, J. Michael |
Union Carbide Mine, Wilson Springs, Garland County, Arkansas, USA