Geologic map showing thickness of the upper Cretaceous Pierre Shale in the south half of the Powder River Basin, northeastern Wyoming and adjacent areas /
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| Other Authors: | , , |
| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, VA :
The Survey ;
1993.
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| Series: | Miscellaneous investigations series (Geological Survey (U.S.)) ;
I-2380-B. |
| Subjects: |
| Item Description: | Includes index to quadrangles, bibliography, 1 table, 1 graph, and 1 diagram. Cartographic material. |
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| Physical Description: | 1 map : color ; 83 x 123 cm., on sheet 102 x 147 cm., folded in envelope 30 x 24 cm. |