Abstract Collection, circa 1920-circa 1973, of Kiril Spiroff, professor at Michigan Technological University and long-time curator at the A.E. Seaman Mineral Museum, located in Houghton, Michigan. Includes correspondence and papers related to his career at Michigan Technological University as well as a memory book signed by students, former students and friends on the occasion of his retirement from teaching, cards and photographs. Also includes records of the Isle Royale Mining Company and records...

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Collection, 1911-1978, compiled by Louis Koepel, a resident and historian of Michigan's Copper Country. Includes Securities and Exchange Commission filings for the merger of the Copper Range Company with Louisiana Land and Exploration Company, SEC paperwork for the Calumet and Hecla, Inc. sale to Universal Oil Products, auction catalogs for disposition of the W. Parsons Todd Collection, parts catalogs, patents. Also includes blueprints for the J. P. Cooper house in East Hancock, Michigan.

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Papers, 1910-1912, of Myron H. Greve, a 1912 alumni of the Michigan College of Mines in Houghton, Michigan. Includes a textbook on mechanical drawing, a notebook from a surveying class, a binder with class notes and blueprints as well as a degrees confirmed program and a dinner program and menu.

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Building specifications, 1924-1925, for the addition to Sperr Hall at Michigan College of Mines (now Michigan Technological University) in Houghton, Michigan. Blueprints detail specifications for fireproof vaults and steel lockers.

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Building specifications, 1939, for construction of the residence hall Douglass Houghton Hall at Michigan College of Mining and Technology (now Michigan Technological University) in Houghton, Michigan. Includes specifications for the furniture and equipment for the student rooms, dining rooms, laundry facilities, and kitchen.

Abstract Collection, 1855-present, of maps compiled by the Michigan Technological University Archives and Copper Country Historical Collections in Houghton, Michigan. This historical map collection is composed of lake survey charts, mineral and mining, land ownership, topographical and road maps dating from 1855 to the present. An important series of Sanborn Fire Insurance maps are available on microfilm, charting Keweenaw Peninsula towns and mining locations in great detail for the period...

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Collection, undated, 1903-1972, compiled by the Michigan Technological University Archives and Copper Country Historical Collections in Houghton, Michigan. Includes building plans, drawings, and maps of buildings at the university through its history. Contains colored architectural renderings and presentation drawings as well as blueprints and microfiche.

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Collection, 1930-1983, of the Physical Plant Department at Michigan Technological University in Houghton, Michigan. Includes photograph albums that document building projects, correspondence, memorandums, and blueprints.

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Blueprints, circa 1890-circa 1946, of the Nordberg Manufacturing Company of Milwaukee, Wisconsin. Includes blueprints of valve engines, pumps, hoists, compressors, and similar equipment, much of which was used by mining companies in Michigan's Upper Peninsula.

Abstract Collection, 1917-2016, from the Quincy Mine Hoist Association. Includes board of directors' records, photographs, negatives, clippings, postcards, correspondence, blueprints, publications and other printed ephemera related to Quincy Mining Company as well as the establishment of the Quincy Mine Hoist Association. Also includes slides of the paintings by James K. Lawton of various Quincy Mining Company buildings hanging in the museum. James Lawton is the nephew of Charles Lawton, a Quincy...