Bedrock geology of the southwestern part of the North Range, Cuyuna district, Minnesota
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Abstract
The Cuyuna manganiferous iron-ore district is in central Minnesota in Morrison, Crow Wing, and Aitkin Counties. The length of the district is about 68 miles, extending northeastward from a point near Randall, in Morrison County, to a point 11 miles east of the community of Hassmann in Aitkin County; the maximum known width is about 25 miles near the center of the district. Current mining activity is confined to a much smaller area, commonly called the North range, about 10 miles long and 3 miles wide near Crosby and Ironton in Crow Wing County. The average annual production of iron ore and manganiferous iron ore during 1940-50 was slightly less than 3 million tons.
Study Area
Publication type | Report |
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Publication Subtype | USGS Numbered Series |
Title | Bedrock geology of the southwestern part of the North Range, Cuyuna district, Minnesota |
Series title | Miscellaneous Field Studies Map |
Series number | 181 |
DOI | 10.3133/mf181 |
Year Published | 1958 |
Language | English |
Publisher | U.S. Geological Survey |
Description | 3 Sheets: 31.71 x 28.66 inches or smaller |
Country | United States |
State | Minnesota |
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