Geology of the Red Valley sandstone in Forest and Venango Counties, Pennsylvania
By: by Dana R. Kelley.
Published: 1967
Place of publication: Harrisburg
Language: eng
Number of pages: 49
Subjects: Geology, Stratigraphic -- Devonian.; Geology -- Pennsylvania -- Forest County.; Geology -- Pennsylvania -- Venango County.
Notes: Bibliography: p. 44-45.
"Pennsylvania Geological Survey fourth series."