File Mine Inspector's Reports (folder 1 of 6), 1892-1904 Box 2, F 28 In: Michigan Mining Industries Collection, 1845-1990 » Michigan Mining Industries Collection
File Mohawk Mining Company (folder 1 of 2), 1899-1913 Box 2, F 35 In: Michigan Mining Industries Collection, 1845-1990 » Michigan Mining Industries Collection
File Osceola Consolidated Mining Company, 1886-1922 Box 3, F 1 In: Michigan Mining Industries Collection, 1845-1990 » Michigan Mining Industries Collection
File Quincy Mining Company (folder 2 of 6), 1894-1907 Box 3, F 6 In: Michigan Mining Industries Collection, 1845-1990 » Michigan Mining Industries Collection
File Tamarack Mining Company (folder 1 of 2), 1886-1915 Box 3, F 20 In: Michigan Mining Industries Collection, 1845-1990 » Michigan Mining Industries Collection
File Tamarack Mining Company (folder 2 of 2), 1886-1915 Box 3, F 21 In: Michigan Mining Industries Collection, 1845-1990 » Michigan Mining Industries Collection
File Victoria Copper Mining Company, 1899-1925 Box 3, F 22 In: Michigan Mining Industries Collection, 1845-1990 » Michigan Mining Industries Collection
File Winona Copper Company, 1900-1914 Box 3, F 25 In: Michigan Mining Industries Collection, 1845-1990 » Michigan Mining Industries Collection
File Wolverine Copper Mining Company, 1891-1923 Box 3, F 26 In: Michigan Mining Industries Collection, 1845-1990 » Michigan Mining Industries Collection