Map showing configuration of the top of the Madison Group, Lewistown 1-degree by 2-degree quadrangle, Montana /
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| Main Author: | |
|---|---|
| Format: | Map |
| Language: | English |
| Published: |
[Butte] :
Montana Bureau of Mines and Geology,
1980.
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| Series: | Geologic map (Montana Bureau of Mines and Geology) ;
12. |
| Subjects: |