Zinc industry and trade -- United States
Found in 2 Collections and/or Records:
Wallace F. Bennett letters
The three letters of this collection were written on 1, 12, and 23 March 1962. The first and last of these were written by Bennett to William M. Timmins, Jr., (1936- ), and the second was written by Timmins. The letters deal with the topics of free trade and the lead-zinc mining industry.
Otto Duke papers on the United States Smelting, Refining, and Mining Company, 1924-1958
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.