Geological map of townships in the northern peninsula of Michigan : subdivided by D. Houghton D.S. in the year 1845.
Uncolored map of a portion of the western Upper Peninsula of Michigan, including the Keweenaw Peninsula and Huron Mountains region. Geology shown by boundary lines and labels.
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| Language: | English |
| Published: |
[Washington] :
[U.S. government],
[1849]
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| Local Note: |
MSU: Gift of Ronald Dietz. |
| Physical Description: | 1 map ; 24 x 27 cm |
| Cartographic Data: | Scale approximately 1:430,000 (W 88°41ʹ--W 87°28ʹ/N 47°30ʹ--N 46°38ʹ). |
| Format: | Map |