National Geologic Map Database
Product Description Page
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Title: Origin of thick Lower Tertiary coal beds in the Powder River Basin, Wyoming and Montana - some paleogeographic constraints
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Author(s): Seeland, David
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Publishing Organization: U.S. Geological Survey
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Series and Number: Bulletin 1917-Q
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Larger Work: Evolution of sedimentary basins - Powder River Basin
- Publication Date: 1993
- Map Scale: 1:1,670,000
- Cross Section: None
- North Latitude: 45° 19' 59" N (45.3330)
- South Latitude: 42° 42' 50" N (42.7140)
- East Longitude: 104° 0' 0" W (-104.0000)
- West Longitude: 107° 0' 0" W (-107.0000)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.