National Geologic Map Database
General Information
- Title: Structure contour map of the Powder River basin, Wyoming and Montana
- Author(s): Pierce, W.G., and Girard, R.M.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Oil and Gas Investigations Map OM-133
- Publication Date: 1945
- Map Scale: 1:316,800
- Cross Section: None
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- For more information, please contact:
- U.S. Geological Survey
- USGS Information Services
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- Phone: (303) 202-4700 or 1-888-ASK-USGS
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.