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Main
Author: |
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Minnesota Geological Survey |
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Title/Description: |
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Geologic map of Duluth and vicinity,
St. Loius County, Minnesota |
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Publication
Info: |
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Minneapolis: Minnesota Geological Survey, 1964;
Bulletin 44, Plate 1 |
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Date: |
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1964 |
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Scale: |
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1:24,000 |
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Original
Source: |
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Courtesy of Murray
Hudson, Halls, Tennessee |
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