Esarey, R. E., Bieberman, D. F., Bieberman, R. A. 1950, Stratigraphy along Mississippian-Pennsylvanian unconformity of western Indiana: Indiana Geological Survey Guidebook 04, 23 p., 2 fig., 3 pl.

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Keywords: field guide, stratigraphy, Mississippian, Pennsylvanian, unconformity

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