General highway map, Ontonagon County / Michigan State Highway Department, G. Donald Kennedy, State Highway Commissioner ; data obtained from Highway Planning Survey conducted in cooperation with Federal Works Agency, Public Roads Administration.
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| Language: | English |
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| Physical Description: | 1 map : negative photocopy ; on sheet 46 x 46 cm |
| Cartographic Data: | Scale approximately 1:250,000 ; polyconic projection (W 89°53ʹ07ʺ--W 88°51ʹ49ʺ/N 47°01ʹ44ʺ--N 46°19ʹ49ʺ) |
| Format: | Map |