National Geologic Map Database
General Information
- Title: Misuse of the term 'bentonite' for ash beds of Devonian age in the Appalachian basin
- Author(s): Roen, J.B., and Hosterman, J.W.
- Publishing Organization: Geological Society of America
- Series and Number: Bulletin v. 93 no. 9 [p. 921-925]
- Publication Date: 1982
- Map Scale: 1:10,648,740
- Cross Section: None
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