Bibliographic Details
| Corporate Author: |
Geological Survey (U.S.) |
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| Other Authors: |
Denson, N. M. (Norman MacLaren), 1914-,
Gibson, M. L.,
Sims, G. L. |
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| Other title: | Thickness of the upper Cretaceous Pierre Shale, in the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming, geologic map.
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| Format: | Government Document
Map
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| Language: | English |
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| Published: |
Reston, VA : Denver, CO :
The Survey ; For sale by Map Distribution,
1993.
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| Series: | Miscellaneous investigations series (Geological Survey (U.S.)) ;
map I-2380-A.
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| Subjects: | |
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