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Main
Author: |
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Foster, J.W. and J.D. Whitney |
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Title/Description: |
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Geological Map of Isle Royale,
Lake Superior, Michigan |
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Publication
Info: |
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New York: Ackerman Lith., c.1847; Made pursuant
to the Act of Congress, approved, March 1st, 1847 |
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Date: |
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1847 |
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Scale: |
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1:125,000 |
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Original
Source: |
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Courtesy of Murray
Hudson, Halls, Tennessee |
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