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Abstract Blueprint plans for mining structures and equipment in Nevada (including the Comstock Lode), Arizona, Alaska, Colorado, Missouri, Utah, Montana, Peru, and Mexico. Mines represented include the Nevada Consolidated Copper Co., Steptoe Valley (Nevada) Smelting and Mining Co., Cerro de Pasco (Peru), Missouri Cobalt Co., Belmont Milling Co., Goldfield Consolidated Mines Co., Tonopah Gold Mining Co., and numerous others.
Overview Thomas Cox and Thomas Cox, Jr. were engineers who worked in mining engineering and were based in Oakland, California. The collection contains blueprints and patents for mining equipment created by Cox and Cox, Jr. Materials were collected by Herb Dick.