National Geologic Map Database
General Information
- Title: Stratigraphic framework and distribution of lignite in the Claiborne Group, Calhoun County, Arkansas
- Author(s): Hackman, B.S.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Investigations Series Map I-1490
- Publication Date: 1984
- Map Scale: 1:62,500
- Cross Section: None
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