Showing Collections: 61 - 70 of 964
C. Harry Benedict Collection
Collection, 1953, 1964, contains a manuscript by C. Harry Benedict of an article published in January, 1953 in Montana Magazine of History, "The Calumet and Hecla Story" as well as an address by Dr. J. R. Van Pelt for the dedication of the Michigan Technological University's Benedict Laboratory in April, 1964.
Calumet and Hecla Consolidated Copper Company Blueprint Collection
Collection, circa 1922 to circa 1967, of blueprints and blueline prints from the Calumet and Hecla Consolidated Copper Company. Includes prints from various firms employed by the company such as Westinghouse Electric Corporation, Stone and Webster Engineering Corporation and General Electric Company as well as prints produced by employees of Calumet and Hecla Consolidated Copper Company.
Calumet and Hecla Employee Database
Database, before 2004, transcription of information from "small format" employment cards in the Calumet and Hecla Mining Companies Collection. Includes full name, employee number, date of hire, position, union membership, birth date and place, marital status, spouse name, number of children and death date, cause and place.
Calumet and Hecla Inc. and Quincy Mining Company Project Records
Records, 1995-1996, of the Michigan Technological University Archives and Copper Country Historical Collections' acquisition and processing of the Calumet and Hecla Inc. and Quincy Mining Company Records. Funded by the National Historical Publications and Records Commission, the project included organizing the records of two Upper Peninsula copper mining collections to provide access to researchers.
Calumet and Hecla Mining Companies Collection
Calumet and Hecla Mining Companies Drawings Collection
Calumet and Hecla Mining Companies Geological Map Collection
Map collection, circa 1896-circa 1966, of the Calumet and Hecla Mining Company in Michigan's Keweenaw Peninsula. Includes geological maps of surface and underground mines and properties owned by the company as well as properties owned by other entities. Also includes some mechanical drawings of machinery and building plans for company-owned buildings.
Calumet and Hecla Mining Companies Media Collection
Media collection, circa 1954-circa 1961, of the Calumet and Hecla Mining Company. Includes audio and moving image recordings documenting copper mining and manufacturing, the Osceola unwatering project, union/labor relations, community events, safety awareness and work procedures, and agriculture.
Calumet and Hecla Mining Companies Photograph Collection
Calumet and Hecla Mining Company Smelter Correspondence
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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- Rupley, Richard M. 3
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- Donnelly, Joseph M. 2
- Keweenaw Central Railroad 2
- McNair, Hugh 2
- Nara, J. W. (John William) 2
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- Alanen, Arnold 1
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- Cannon and Cole Families 1
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- Curt Teich & Co. (Chicago, Ill.) 1
- E.C. Kropp Co. (Milwaukee, Wis.) 1
- Eckert, Kathryn Bishop, 1935-2022 1
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- Erkkila, Reino 1
- Erm, John 1
- Frohriep, Claire E. 1
- Gratz, Ronald K., Dr., 1946-2017 1
- Hadwick Family 1
- Houghton County Treasurer 1
- International Frisbee and USA Guts Hall of Fame (Calumet, Michigan) 1
- Johnson, Wendel 1
- Julien, Connie 1
- Kauppi, Dan 1
- Kendall Family 1
- Kendall, Martin, 1878-1948 1
- Keweenaw Research Center (Calumet, Michigan) 1
- L.L. Cook Company (Milwaukee, Wis.) 1
- Martin, Ray 1
- Meinardi family 1
- Mental Health Support Group -- Keweenaw Area 1
- Michigan College of Mining and Technology. Sault Ste. Marie Branch. 1
- Michigan Technological University. Center for Diversity and Inclusion. 1
- Michigan Technological University. Presidential Council of Alumnae 1
- Mihelcic family 1
- Minnesota Land Company, Limited 1
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- National Alliance on Mental Illness 1
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- Overgaard, Chris 1
- Peninsula Waters Girl Scout Council 1
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- Reagan, Harris John, 1911-1979 1
- Rebekahs. Holly Lodge No. 310 (Hancock, Mich.) 1
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- Sparrow, Edward W. (Edward Wheeler), 1846-1913 1
- Stimpson, Thomas 1
- The Office Shops (Calumet, Mich.) 1
- United States. Work Projects Administration (1939-1943) 1
- United States. Works Progress Administration (1935-1939) 1
- Wadsworth, M. Edward (Marshman Edward) (1847-1921) 1
- Wildberg, Joseph Singer (1944-2021) 1
- Woman's Benefit Association. Sylvian Review No. 79 (Hancock, Mich.) 1
- Wyman Post Card Co. (Wausau, Wis.) 1 ∧ less