Marcasite from Churchill County, Nevada, USA
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| (2005) Mineral Resources Data System (MRDS), US Geological Survey. NBMG Bull 83 Geology and Mineral Deposits of Churchill County, Nevada |
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Nickel Deposits in Cottonwood Canyon, Churchill County, Nevada. Univ. of Nevada Bulletin Vol 33 No. 5 (1939) pp1-18 |