National Geologic Map Database
Product Description Page
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Title: Geology of certain lignite fields in eastern Montana
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Author(s): Calvert, W.R.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Bulletin 471-D [p. 187-201]
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Larger Work: Contributions to economic geology, 1910; Part 2, Mineral fuels
- Publication Date: 1912
- Map Scale: 1:1,036,800
- Cross Section: None
- North Latitude: 47° 47' 28" N (47.7911)
- South Latitude: 46° 8' 15" N (46.1375)
- East Longitude: 104° 2' 39" W (-104.0442)
- West Longitude: 105° 26' 31" W (-105.4419)
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