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Collection Title:

Eugene Callaghan papers

Repository:University of Utah Libraries, Special Collections
Summary:The Eugene Callaghan papers (1924-1988) consist of materials documenting Callaghan's professional career. Included are correspondence, notes, reports, maps, class materials, and scrapbooks. Eugene Callaghan (1904-1990) was a geologist for the United States Geological Survey. He conducted several investigations of various territories around Utah and its surrounding states.
 
Collection Title:

Calumet Mining and Refining Company records

Repository:University of Utah Libraries, Special Collections
Summary:The Calumet Mining and Refining Company Records contain information about several mining plants throughout Utah and Nevada. It also has information about mined materials and mining methods. Many of the materials also pertain to the Combined Metals Reduction Company.
 
Collection Title:

Combined Metals Reduction Company records

Repository:University of Utah Libraries, Special Collections
Summary:The Combined Metals Reduction Company records is a grouping of files, books, reports, ledgers, and papers pertaining to the development of the mining industry in Pioche, Nevada from 1920-1950.

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