National Geologic Map Database
Product Description Page
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Title: The stratigraphy of the Montana Group, with special reference to the position and age of the Judith River Formation in north-central Montana
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Author(s): Bowen, C.F.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Professional Paper 90-I
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Larger Work: Shorter contributions to general geology, 1914
- Publication Date: 1915
- Map Scale: 1:500,000
- Cross Section: None
- North Latitude: 47° 44' 12" N (47.7367)
- South Latitude: 46° 37' 0" N (46.6167)
- East Longitude: 108° 0' 0" W (-108.0000)
- West Longitude: 109° 40' 30" W (-109.6750)
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