Mines and mineral resources -- Michigan -- Keweenaw Peninsula
Found in 4 Collections and/or Records:
Arnold Mining Company Records
Records, 1898-1907, of the Arnold Mining Company of Copper Falls, Michigan.
Delaware Mining Company Records
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.
Robert Wood Photograph Collection
Photograph collection, 1911-1915, of Robert Wood, a 1906 Michigan College of Mines alumni. Images were taken during his employment at the Quincy Smelter in Ripley, Michigan and include photographs of the smelting machinery and process as well as the end product - copper ingots, ingot bars, wire bars and cakes. Also included are two scrapbook pages with photographs of the Copper Harbor Lighthouse and surrounding area.
Sampling Report of the Redridge Tailings
Sampling report, 1945, compiled for the Copper Range Company by the Department of Mineral Dressing at the Michigan College of Mining and Technology (now Michigan Technological University). Book 1 of a 3 volume report, includes information about work done to determine the approximate assay and tonnage of the Redridge tailing bank in Redridge, Michigan.