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USA | |
| The Lapidary Journal, May 1985 (W.C. van Laer) The Mineral News (several issues) many ID by x-ray diffraction (Jim Wilson, Weber State W.C. van Laer, Montana Tech U.S. National Museum some by physical characteristics, i.e.: crystal form, fluorescence, magnetic attraction, etc.) some yet to be published |
| W.C. van Laer, in preparation |
- Cataract Mining District (Comet Mining District; Basin Mining District)
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Chris Van Laer Collection |
| [var. Martite] Knopf, A. (1913) Ore Deposits of the Helen Mining Region, Montana. United States Geological Survey, Bulletin 527, 143 pages. |
| Geology and Ore Deposits of the Elkhorn Mining District, Jefferson County, Montana Walter H. Weed, 1900-1901 |
- Whitehall Mining District (Cardwell Mining District)
| Gnanou, Hamadou (2018) Mineralogy and sulfur isotope geochemistry of the Apex and Bonanza prospects at the Golden Sunlight mine, Montana. Montana Tech of The University of Montana. 78pp. Gnanou, Hamadou (2018) Mineralogy and sulfur isotope geochemistry of the Apex and Bonanza prospects at the Golden Sunlight mine, Montana. Montana Tech of The University of Montana. 78pp. |
| Barrick Gold Corporation |
Delmoe Lake area, Boulder Batholith, Jefferson County, Montana, USA