Geologic map showing the thickness and structure of the Anderson-Wyodak coal bed in the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming /
| Corporate Author: | |
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| Other Authors: | , |
| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, Va. :
The Survey ;
1991.
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| Series: | Miscellaneous investigations series (Geological Survey (U.S.)) ;
I-2094-A. |
| Subjects: |