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Preliminary Report on the Geology of East Central Minnesota Including the Cuyuna Iron-ore District

Edmund Cecil Harder

Published: 1918

Total Pages: 572

Preliminary Report on the Geology of East Central Minnesota

Edmund Cecil Harder

Published: 1918

Total Pages:

Geology and Manganese Resources of the Cuyuna Iron Range, East-central Minnesota

G. B. Morey

Published: 1990

Total Pages: 36

Proceedings

Lake Superior Mining Institute

Published: 1925

Total Pages: 426

Geological Survey Professional Paper

Geological Survey (U.S.)

Published: 1935

Total Pages: 654

U.S. Geological Survey Professional Paper

Published: 1984

Total Pages: 360

Bulletin

Published: 1925

Total Pages: 662

Magnetic Concentration of Iron Ore

Edward W. Davis

Published: 1921

Total Pages: 144

Bulletin

University of Minnesota. Mines Experiment Station

Published: 1915

Total Pages: 864

Annual Report of the Director of the United States Geological Survey to the Secretary of the Interior

Geological Survey (U.S.)

Published: 1915

Total Pages: 630