National Geologic Map Database
General Information
- Title: Palynostratigraphy of the Tullock Member (Lower Paleocene) of the Fort Union Formation in the Powder River Basin, Montana and Wyoming
- Author(s): Nichols, D.J., and Brown, J.L.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Bulletin 1917-F
- Larger Work: Evolution of sedimentary basins - Powder River Basin
- Publication Date: 1992
- Map Scale: 1:1,429,000
- Cross Section: None
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