National Geologic Map Database
General Information
- Title: Correlation chart of Lower and Upper Cretaceous Blackleaf Formation, Lima Peaks area to eastern Pioneer Mountains, southwestern Montana
- Author(s): Dyman, T.S., and Tysdal, R.G.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Field Studies Map MF-2119
- Publication Date: 1990
- Map Scale: 1:188,700
- Cross Section: Yes
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