Technical drawings
Found in 6 Collections and/or Records:
Bill Stewart Papers
Papers, 1906-2002, collected by Bill Stewart relating to the "Keweenaw Venture" joint operation between Homestake Copper Company and International Nickel Company. Also includes documentation from Stewart Holdings, Peninsula Copper Industries, Great Lakes Minerals, and several other mining initiatives.
Calumet and Hecla Mining Companies Geological Map Collection
Map collection, circa 1896-circa 1966, of the Calumet and Hecla Mining Company in Michigan's Keweenaw Peninsula. Includes geological maps of surface and underground mines and properties owned by the company as well as properties owned by other entities. Also includes some mechanical drawings of machinery and building plans for company-owned buildings.
Copper Range Company Records
Houghton County Jail Construction Proposal Records
Records, 1999-2002, contains committee minutes, construction proposals, and plans for the Houghton County Courthouse, Sheriff’s Department, and Jail facilities renovations for Houghton County, Michigan.
Quincy Mining Company Survey for Historic American Engineering Record
Survey, circa 1978, of the Quincy Mining Company in Hancock, Michigan for the Historic American Engineering Record. Includes narrative report detailing business and economic history, technological changes, housing and community service. Also includes photographs taken for the survey and measured drawings, detailing not only the structures but the processes of mining as well.
Victoria Copper Mining Company Records
The Victoria Copper Mining Company operated the Victoria Mine and Mill in Ontonagon County's Rockland Township. The records consist of correspondence, engineering, financial, and injury records, and detailed supply records from the Victoria Mine Office. The material covers the operations of the mine, mill, and dams operated by the company.