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USA | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- Slick Rock Mining District
| Shawe, D.R., (2011), Uranium-vanadium deposits of the Slick Rock district, Colorado: U.S. Geological Survey Professional Paper 576-F, 80 p., 20 plates. |
| Dayvault, Richard (2000), History of Red Wood Collecting from the Yellow Cat Area of Grand County, Utah, MATRIX, 8:1, 3-16. |
| U.S. Geological Survey Professional Paper 453 |
- La Sal Creek Mining District
| Carter, William D., Gualtieri, James L. (1965) Geology and Uranium-Vanadium Deposits of the La Sal Quadrangle San Juan County, Utah and Montrose County Colorado: U.S. Geological Survey Professional Paper 508 p. 59-61 |
| Carter, William D., Gualtieri, James L. (1965) Geology and Uranium-Vanadium Deposits of the La Sal Quadrangle San Juan County, Utah and Montrose County Colorado: U.S. Geological Survey Professional Paper 508 p. 62-63 |
Firefly–Pigmay Mine, La Sal Creek Mining District, San Juan County, Utah, USA