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Collection, 1898, 1942-1975, of material related to the Arcadian Mine located in Ripley, Michigan.

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Correspondence, 1899-1913, consisting of exchanges between James Cooper, the superintendent of the Calumet and Hecla Mining Company's smelter in Lake Linden, Michigan and H.Y. Bassett, a Calumet and Hecla Mining Company executive from the East Coast offices. The letters, including reports, address metallurgical issues as well as the results of comparative testing of Michigan copper versus copper from other regions as used by consumers of copper.

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Collection, 1874-2021 (Bulk 1874-1998), of research material and memorabilia compiled by Charles K. Hyde.

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Patents, 1896-1943, by various inventors and assignees pertaining to copper mining and copper smelting inventions granted by the United States. Includes specifications and drawings.

Abstract Papers, 1932, about the copper tariff of 1932, a protectionist measure to support the copper producers in the United States. Includes a statement to stockholders of copper mining companies from A. E. Peterman, the attorney for the Calumet and Hecla Consolidated Copper Company, encouraging them to support the tariff and contact their members of Congress. Also includes a brochure, "Some facts about copper and its need for tariff protection," prepared by A. E. Peterman with support from copper...

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Audio cassettes, 1973, containing oral histories and course lectures prepared for HU 450: Literature of the Upper Peninsula.

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Collection, 1926-2009, of audiovisual material from the Michigan Technological University Archives and Copper Country Historical Collections in Houghton, Michigan. Formats include VHS tapes, DVDs, audiocassettes, and film reels.

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Photograph collection, undated, compiled by the Mining Engineering Department at Michigan Technological University in Houghton, Michigan for use in classroom instruction. Includes glass lantern slides, photographic negatives, and photographic prints of Michigan copper and iron mining, as well as mining from other parts of the world.

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Newspaper clippings, 1909-1918, about the Quincy Mining Company, collected by Tenney de Sollar, an alumni of the Colorado School of Mines and an assistant engineer at Quincy Mining Company in Hancock, Michigan.

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Collection, circa 1900-circa 1959, of Robert C. Matson, a professor of mining and civil engineering at the Michigan College of Mines (now Michigan Technological University) in Houghton, Michigan. Includes several research volumes containing lists of mines with sources of information, facilities reports from the Sault St. Marie and Houghton campuses for the College, and correspondence.