Distribution and thickness of Devonian Rocks in Williston basin and in central Montana and north-central Wyoming /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Washington, [D.C.] :
U.S. G.P.O.,
1961.
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| Series: | Geological Survey bulletin ;
1112-D. Contributions to economic geology |
| Subjects: |