Geological map of Michigan / compiled by R.C. Allen, R.A. Smith, and L.P. Barrett from surveys by the Michigan Geological Survey and the United States Geological Survey.
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| Language: | English |
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[Lansing, Mich.?] :
Geological Survey of Michigan,
1916
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| Local Note: |
LM copy 1, lacking designation as Publication 23, copy 2 annotated in wax pencil and linen backed. |
| Physical Description: | 1 map : color ; 103 x 85 cm |
| Cartographic Data: | Scale 1:750,000 (W 90⁰30ʹ--W 82⁰22ʹ/N 48⁰17ʹ--N 41⁰52ʹ). |
| Format: | Map |