Buildings -- Michigan -- Upper Peninsula -- Designs and plans
     Subject 
  
        Subject Source: Library of Congress Subject Headings
      
        Found in 1 Collection or Record:
Calumet and Hecla Mining Companies Geological Map Collection
     Collection  — Multiple Containers
  
    
      Identifier: MS-045
    
Abstract
	     
      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.
          Dates: 
        Circa 1896-Circa 1966 Circa 1896-Circa 1966
      
      
   