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
- North Latitude: 33° 47' 35" N (33.7930)
- South Latitude: 33° 16' 1" N (33.2670)
- East Longitude: 92° 18' 32" W (-92.3090)
- West Longitude: 92° 46' 41" W (-92.7780)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.