National Geologic Map Database
General Information
- Title: Geologic map showing thickness of sedimentary rocks from ground surface to the top of the Upper Cretaceous Pierre Shale in the south half of the Powder River Basin, northeastern Wyoming and adjacent areas
- Author(s): Denson, N.M., Pierson, C.T., and Grundy, W.D.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Investigations Series Map I-2433-B
- Publication Date: 1995
- Map Scale: 1:200,000
- Cross Section: None
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