National Geologic Map Database
Product Description Page
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Title: Geology, structure, and coal beds of the Fort Union Formation in the eastern part of the Fort Peck Indian Reservation, Daniels, Roosevelt, and Sheridan Counties, Montana
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Author(s): Hardie, J.K., and Arndt, H.H.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Coal Investigations Map C-122-A
- Publication Date: 1988
- Map Scale: 1:100,000
- Cross Section: Yes
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