Quincy Mining Company Historic District - View this location on map Quincy Mining Company is an outstanding example of the growth and development of the United States copper industry from its earliest years through 1920. Between 1862 and 1882, Quincy ranked first nationally in copper production, making a singular contribution to the Northern effort during the Civil War. Quincy, along with the Calument and Hecla Company, represents the major elements of the copper industry: mining and mining technology; immigration and ethnic settlement; corporate paternalism and company towns; and labor organization. The Landmark includes a section of company housing. Michigan Historical

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