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SOME ORE DEPOSITS IN NORTHWESTERN OUSTER COUNTY, IDAHO BY JOSEPH B. UMPLEBY WASHINGTON GOVERNMENT FEINTING........ Future of mining in northwestern Custer County......................... Mining districts............................................ Bay Horse district....................................................................................... 56 56 Mining conditions. .....................................68 68 69 70 6 CONTENTS. Mining districts Continued. Bay Horse district Continued. Mines and principal |
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Terranes Part I Geographic Distribution of Gold Mining Regions and Types of Deposits in the United States...Associated with the Trans-Challis Fault System, Idaho ByTHOR H. KIILSGAARD, FREDERICKS. FISHER, and EARL...bibliographies. Contents: Geographic distribution of gold mining regions and types of deposits in the United States...associated with the trans-Challis fault system, Idaho / by Thor H. Kiilsgaard, Frederick S. Fisher, and...Redden and Gregory McN. French. 1. Gold mines and mining United States. 2. Gold deposits United States. |
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Potential and Geology of he Challis National Forest, Idaho I U.S. GEOLOGICAL SURVEY BULLETIN 1873 Mineral...Potential and Geology of the Challis National Forest, Idaho By RONALD G. WORL, ANNA BURACK WILSON, COLE L. SMITH...potential and geology of the Challis National Forest, Idaho (U.S. Geological Survey bulletin; 1873) Bibliography:...Mines and mineral resources-Idaho-Challis National Forest. 2. Geology-Idaho-Challis National Forest. I...Geophysics 27 Mineral resources-locatable minerals 28 Mining and exploration history 28 Metals 29 36 Industrial |
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the Challis Volcanics in the Twin Peaks Caldera, Idaho. USGS photograph by Frederick S. Fisher. Geology...Resource Assessment of the Challis I°x2° Quadrangle, Idaho Edited by Frederick S. Fisher and Kathleen M. Johnson...mineral resources in the Challis 7°x2° quadrangle, Idaho UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...resource assessment of the Challis I°x2° Quadrangle, Idaho / edited by Frederick S. Fisher and Kathleen M....I19.16:P1525 1. Geology Idaho Challis Region. 2. Mines and mineral resources Idaho Challis Region. I. Fisher |