Raamatud Sylvanite Publishing
The Mining Districts of the Idaho Basin and the Boise Ridge, Idaho
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Geology and Ore Deposits of the Blewett Mining District
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Geology and Ore Deposits of the South Silverton Mining Area, San Juan County Col
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The Sampling and Assay of the Precious Metals
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Ore Deposits of the Gilman District, Eagle County, Colorado
Ogden Tweto, Thomas S. Lovering, T. G. Lovering
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The Mining of Gems and Ornamental Stones by American Indians
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The Official Manual of the Cripple Creek District, Colorado
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