National Geologic Map Database
General Information
- Title: Stratigraphic diagrams with electric logs of Upper Cretaceous rocks, Powder River Basin, Johnson, Campbell, and Crook Counties, Wyoming
- Author(s): Merewether, E.A., Cobban, W.A., U.S. Geological Survey, Matson, R.N., Magathan, W.J., and Petroleum Exploration Inc., Denver, Colorado
- Publishing Organization: U.S. Geological Survey
- Series and Number: Oil and Gas Investigations Chart OC-73
- Publication Date: 1977
- Map Scale: 1:3,641,379
- Cross Section: None
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- U.S. Geological Survey
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.