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1Author:  Kennecott Copper Corporation. Braden UnitRequires cookie*
 Title:  Records of Kennecott Copper Corporation, Braden Unit, 1938-1953. ead 
 Date(s):  1938-1953. 
 Abstract:  This collection is comprised of three bound volumes. The first volume, dated 1938 - 1952, describes the history, geology, mining methods and mine safety, complete with accompanying maps, photographs, and charts, of the Braden Unit of the Kennecott Copper Corporation. The second volume, dated 1943 - 1952, contains a set of blueprints of diamond drilling equipment. The third volume, which is undated, contains construction plans and calculations for various mining operations and buildings. 
 Repository:  University of Arizona Libraries, Special Collections 
 Subjects:  Mining corporations -- Chile -- History -- 20th century | Mine safety -- Chile | Mines and mineral resources -- Chile -- History -- 20th century 
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