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USA | |
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| Gornitz, V. (2004), Grand Canyon Uranium: The Orphan Mine, Mineral News: 20(6): 1 & 3-5, 7..
Wenrich, K. J., & Hlava, P. F. (1993). Nickel-cobalt-iron-copper sulfides and arsenides in solution-collapse breccia pipes, northwestern Arizona. Geological Society of America, Abstracts with Programs
Gornitz, V., et al (1988), Origin of the Orphan Mine breccia pipe uranium deposit, Grand Canyon, AZ, Process Mineralogy VII: Applications to Mineral Benficiation Technology and Mineral Exploration, A.H. Vassiliou, Hausen, D.M., and Carson, D.J.T., editors, The Metallurgical Society, Warrendale, PA: 281-301.
(United States), 25(CONF-9305259-). |
- Gold Hill Mining District
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Rocks & Min.: 16:413
22:205.
American Mineralogist 28:257-271 |
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| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
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| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- Upper Mississippi Valley Mining District
| Heyl, A., A. F. Agnew, E. J. Lyons & C.H. Behre Jr. (1959), The geology of Upper Mississippi Valley Zinc-Lead District: U.S. Geological Survey Professional Paper 309: 271. |
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| Heyl, A., A. F. Agnew, E. J. Lyons & C.H. Behre Jr. (1959), The geology of Upper Mississippi Valley Zinc-Lead District: U.S. Geological Survey Professional Paper 309: 274. |
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| Heyl, A., A. F. Agnew, E. J. Lyons & C.H. Behre Jr. (1959), The geology of Upper Mississippi Valley Zinc-Lead District: U.S. Geological Survey Professional Paper 309: 274. |
- Upper Mississippi Valley Mining District
| Heyl, A., C. Milton, J. Axelrod (1959), Nickel minerals from near Linden, Iowa County, Wisconsin: American Mineralogist: 44: 995-1009. |
Rico Claims, Grayback Mining District, Costilla County, Colorado, USA