An additional fossiliferous member in the Allegheny formation (Pennsylvanian) of Ohio - Sturgeon, Myron Thomas, 1908-; Merrill, William M. (Columbus, 1949)
"References": p. 11.
Keywords: Geology, Stratigraphic -- Pennsylvanian; Paleontology -- Pennsylvanian; Geology -- Ohio; Paleontology -- Ohio