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California

 Subject
Subject Source: Library of Congress Subject Headings

Found in 1 Collection or Record:

Otto Duke papers on the United States Smelting, Refining, and Mining Company, 1924-1958

 Series — Multiple Containers
Identifier: MSS 1536 Series 7
Scope and Contents Includes diagrams and materials dealing with projects for the United states Smelting, Refining and Mining Company from 1924 to 1958, especially those in Alaska, Chicago, Torrence, CA, and Midvale, UT. Some of these projects include asphalt, turbine generators, tail sluice, dredge data, conveyors, a lead refinery, a zinc plant, and a crushing plant.