Correspondence

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TITLE TYPE DATE CREATED COLLECTION(S)
Letters to and from Copper Range Company Related to Milling White Pine Mine Ore Digital Document 1938/1941 Correspondence
Letters to Champion Copper Company from James Burt (Lake Superior Boiler Works) Digital Document 1900/1901 Correspondence
Letters to Copper Range Company from Stephens-Adamson Manufacturing Company Digital Document 1942 Correspondence
Letters to John J. Vitton (Copper Range Company) from Allis-Chalmers Manufacturing Company Digital Document 1942-05 Correspondence
Letters to William H. Schacht (Copper Range Company) from F.M. Blum (Harnischfeger Corporation) Digital Document 1942 Correspondence
Letters to William H. Schacht (Copper Range Company) from Lake Shore Engineering Company Digital Document 1940/1941 Correspondence
Letters to William H. Schacht (Copper Range Company) from Sullivan Machinery Digital Document 1943 Correspondence