Isle Royale, Keweenaw County, Michigan / United States, Dept. of the Interior, Geological Survey; State of Michigan, Dept. of Conservation, Geological Survey Division.
| Corporate Authors: | |
|---|---|
| Language: | English |
| Published: |
[Reston, Va.] :
The Survey,
1945.
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| Subjects: | |
| Genre: | |
| Physical Description: | 1 map on 2 sheets : color ; 146 x 226 cm |
| Cartographic Data: | Scale 1:31,680 ; Polyconic projection (W 89°20ʹ--W 88°22ʹ30ʺ/N 48°12ʹ3ʺ--N 47°47ʹ30ʺ) |
| Format: | Map |
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