Browse TRAIL Inventories

Mining methods of the Bunker Hill and Sullivan Mining and Concentrating Co., Kellogg, Idaho

Method and cost of driving the Rock Creek Tunnel, Hecla Mining Co., Shoshone County, Idaho

Economic aspects of silver production in the Coeur d'Alene mining region, Shoshone County, Idaho

Field measurement of rock displacement and support pressure at 5,955-ft level during sinking of deep circular shaft in northern Idaho

Microcomputer-based instrumentation system for monitoring ground support in a deep mine shaft


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