National Geologic Map Database
General Information
- Title: Isopach and lithofacies map of the Sauk sequence (excluding basal clastics) in the northern midcontinent, U.S.A.
- Author(s): Pratt, W.P.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Field Studies Map MF-1835-D
- Publication Date: 1987
- Map Scale: 1:1,000,000
- Cross Section: None
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