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USA | |
| Smith, A.E. (1991), Texas Mineral Locations Index, Rocks & Min.: 66(3). |
| MINERALS OF THE KARNES URANIUM DISTRICT-THE FRANKLIN OF TEXAS Alan J. Cherepon, http://www.wma-minelife.com/uranium/papers/karnes.htm |
| Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622 |
| Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622 |
| Origlieri, Marcus (1990) Famous Mineral Localities: Terlingua, Texas. The Mineralogical Record, 21 (3) 221-234 |
| Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622 |