Title: Age of the Bedford Shale, Berea Sandstone, and Sunbury Shale in the Appalachian and Michigan basins, Pennsylvania, Ohio, and Michigan
First published: 1970
Subjects: Conodonts, Geology, Stratigraphic, Paleontology, Sandstone, Shale, Stratigraphic Geology, Stratigraphic correlation
Places: Appalachian Basin, Michigan, Michigan Basin (Mich. and Ont.), Ohio, Pennsylvania
Time periods: Devonian, Mississippian