File 1913 Box 1 In: Chapin family (Niles, Mich.) papers, 1879-1937 » Indiana & Michigan Electric Company
File 1915 Box 1 In: Chapin family (Niles, Mich.) papers, 1879-1937 » Indiana & Michigan Electric Company
File 1919 Box 1 In: Chapin family (Niles, Mich.) papers, 1879-1937 » Indiana & Michigan Electric Company
File 1920 Box 1 In: Chapin family (Niles, Mich.) papers, 1879-1937 » Indiana & Michigan Electric Company
File Papers, 1879, 1886 Box 1 In: Chapin family (Niles, Mich.) papers, 1879-1937 » Menominee Mining Company
Folder Chapin, Hamilton, and Ludington Mines, Oliver Mining Company Chapin family (Niles, Mich.) papers, 1879-1937
File Plans of underground workings In: Chapin family (Niles, Mich.) papers, 1879-1937 » Chapin, Hamilton, and Ludington Mines, Oliver Mining Company
File 1908-1910 Oversize Folder 1 In: Chapin family (Niles, Mich.) papers, 1879-1937 » Chapin, Hamilton, and Ludington Mines, Oliver Mining Company » Plans of underground workings
File 1911-1913, 1920 Oversize Folder 2 In: Chapin family (Niles, Mich.) papers, 1879-1937 » Chapin, Hamilton, and Ludington Mines, Oliver Mining Company » Plans of underground workings