National Geologic Map Database
General Information
- Title: Type sections and stratigraphy of the members of the Blackleaf and Marias River Formations (Cretaceous) of the Sweetgrass arch, Montana
- Author(s): Cobban, W.A., Erdmann, C.E., Lemke, R.W., and Maughan, E.K.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Professional Paper 974 [66 p.]
- Publication Date: 1976
- Map Scale: 1:1,307,733
- Cross Section: None
- North Latitude: 49° 0' 5" N (49.0014)
- South Latitude: 46° 57' 11" N (46.9531)
- East Longitude: 110° 35' 25" W (-110.5903)
- West Longitude: 113° 45' 27" W (-113.7575)
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