Scope and Contents

Maps, diagrams, blueprints, and other engineering materials dealing with various companies, including USS Lead Refinery, Inc, Combined Metals Reduction Company, Kennecott Copper Corp., Utah Power and Light Company, American Zinc, Lead, and Smelting Co., Denver Equipment Co., Climax Molybdenum Co., Great Western Engineers, Inc., Allison Steel Manufacturing Company, American Smelting and Refining Company, Link-Belt Company, M. H. Detrick Co., and others. Dated 1917 to 1973.

Scope and Contents

Includes diagrams and materials dealing with projects for the Columbia Steel Company, such as crane lists, engineering personnel list, letters regarding Otto Duke's attempts to get a job there, and other diagrams and blueprints. Includes materials form 1941 to 1944.

Scope and Contents

Includes diagrams and materials dealing with projects for the F. C. Torkelson Co., such as expense records, operating costs, Bailey Meter Co., limestone crushing plant, electric mine hoists, Kennecott Mill reports, Ferron Canyon Coal job, Hayden Smelter (Arizona), Smelter emissions control, and more from 1946-1975.

Scope and Contents

Includes diagrams and materials dealing with projects for the US Naval Supply Depot in Clearfield, UT, such as a dispensary project, marine barracks project, heating studies, correspondence, specifications, concrete tanks, "The Seagull" (three 1945 issues), and more. Dated 1942 to 1945.

Scope and Contents Includes diagrams and materials dealing with projects for the Utah Construction-Stearns Roger Joint Venture, specifically the San Manuel Copper Smelter in Tucson, AZ from 1953-1956. Materials include M. H. Treadwell Co. quotes for copper converters, Industrial Physics and Electronics Co. weighing systems description, concentrator, Allis Chalmers proposal for copper converters, Traylor Engineering & Manufacturing proposal for copper converters, notes and drawings regarding reverb furnace,...