Bayley, William Shirley, 1861-1943; Seaman, A. E. (Arthur Edmond), 1858-1937; Geological Survey (U.S.); Cleveland-Cliffs Iron Company; Oliver Iron Mining Company
Created:
1910
Contributed By:
University of Minnesota Libraries, John R. Borchert Map Library.
Relief shown by spot heights.; Includes notes and location map.; Base map "compiled by USGS in 1976 from 1:24 000-scale topographic maps dated 1955-1969."
Creator:
United States. Soil Conservation Service. Cartographic Division
Contributor:
Geological Survey (U.S.)
Created:
1978
Contributed By:
University of Minnesota Libraries, John R. Borchert Map Library.
"Base prepared by the Geological Survey in cooperation with the Soil Conservation Service."; "Compiled from USGS 1:24 000 and 1:62 500-scale topographic maps dated 1959-1972. Map edited 1978. Revised from aerial photographs taken 1974."; "Projection and 10 000-meter grid ticks, zone 15: Universal Transverse Mercator. 25 000-foot grid ticks based...
Creator:
United States. Soil Conservation Service
Contributor:
Geological Survey (U.S.)
Created:
1980
Contributed By:
University of Minnesota Libraries, John R. Borchert Map Library.