Bookmark this page or copy and paste URL to Email message Records of Kennecott Copper Corporation, Braden Unit, 1938-1953MS 158
Historical NoteBrandon Sewell and William Branden founded the Braden Cooper Company in 1904. In 1905 the company purchased the El Teniente copper mine in Chile and built roads for carts to transport the ore as well as a concentrating plant. In 1915, The Kennecott Copper Corporation secured a controlling interest in the Braden Copper Company. The Chilean government purchased a 51% stake in the mine in 1967, establishing the Sociedad Minera El Teniente. Under this agreement, a new concentrator was built which vastly expanded the mine’s daily production. In 1971, El Teniente became a state owned operation under the Chilean nationalization of copper under President Salvador Allende. Scope and Content NoteIncludes an account of the history, geology, mining methods and mine safety, with accompanying maps, photographs, and charts, of the Braden Unit of the Kennecott Copper Corporation. This was prepared for the American Mining Congress in 1952-1953; the charts are dated from 1938 through 1952, and the six photographs are of equipment. Also includes a set of blueprints of diamond drilling equipment, dated 1943 to 1952; and construction plans and calculations for various mining operations and buildings. ArrangementThis collection is organized into 3 series. Arrangement varies by series.RestrictionsRestrictionsThere are no restrictions on this collection. CopyrightIt is the responsibility of the user to obtain permission to publish from the owner of the copyright (the institution, the creator of the record, the author or his/her transferees, heirs, legates, or literary executors). The user agrees to indemnify and hold harmless the Arizona Board of Regents for the University of Arizona, its officers, employees, and agents from and against all claims made by any person asserting that he or she is an owner of copyright. Access TermsCorporate Name(s) Braden Copper Company Kennecott Copper Corporation Subject(s) Mine safety -- Chile Mines and mineral resources -- Chile -- History -- 20th century Mining corporations -- Chile -- History -- 20th century Administrative InformationCredit LineRecords of Kennecott Copper Corporation, Braden Unit, 1938-1953 (MS 158). Special Collections, University of Arizona Libraries. Container List
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