Abstract Collection, 1852-1924, of the Daniel Brockway family, an early merchant and community building family in Michigan's Keweenaw Peninsula. Contains correspondence, financial records and legal records of Daniel Brockway's many land and business ventures throughout the Great Lakes region, particularly the activity of several stores Brockway operated with his son, Albert A. Brockway, under the partnership D.D. Brockway & Son. The collection also includes records of several mining enterprises...

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Records, 1876-1877, of and pertaining to the Delaware Mining Company. Includes pay dockets for miners as well as freight bills for goods shipped to the Delaware Mining Company.

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Records, undated, on the use of electrical self-potential geophysical prospecting as well as other dowsing techniques to locate copper and gold deposits in Michigan's Keweenaw Peninsula.

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Collection, 1901-1975, of Frank C. Schwarzenberg, a 1917 graduate of the Michigan College of Mines (now Michigan Technological University) in Houghton, Michigan. Includes maps and blueprints of the Houghton and Hancock area, geological maps of the Copper Range, clippings, mine reports, technical machine data and correspondence.

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Records, 1875-1878, of the Franklin Mining Company in Hancock, Michigan. Includes two bound volumes of cost sheets for the mine, detailing the operational costs associated with the mine.

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Papers, 1930-1931, of George Henry Smith collected while working for Stone and Webster Engineering Corporation at Ahmeek Stamp Mill in Michigan. Includes business correspondence with the Boston office, photographs and a description of an underground tour at the Red Jacket Shaft.

Abstract Dr. John Robert ("Bob") Van Pelt was Michigan Tech's sixth president, serving the campus from 1956 to 1965. After he stepped down, Van Pelt began work on a history of the Copper Range Company (whose board he had joined in 1961). The manuscript was unfinished when the Copper Range Company was acquired by Louisiana Land and Exploration in 1977. The collection contains files related to Van Pelt's incomplete manuscript about the history of the Copper Range Company. The bulk of the material...

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Photograph collection, 1892-circa 1920, of J. W. Nara, one of the Copper Country's first commercial photographers. Includes photographs of Michigan's Copper Country, capturing the people and places in the midst of the Keweenaw Peninsula's most productive decades of copper mining.

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Collection, 1843-2020, of stock certificates, related documentation, and reference materials focusing primarily on copper mining corporations in the Keweenaw Peninsula and Ontonagon County, Michigan.

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Correspondence, 1866-1925, of Lucius L. Hubbard, a one-time professor at the Michigan Mining School, State Geologist of Michigan, and executive of Upper Peninsula copper mining companies.