Geology of the Hocking Hills State Park Region Michael C. Hansen Published: 1975 Total Pages: 23 Get eBook
The Cuyahoga Formation in the Vicinity of Old Man's Cave, Hocking County, Ohio, Hocking Hills State Park, 1 March 1986 Published: 1986 Total Pages: 18 Get eBook
Guidebook - State of Ohio, Division of Geological Survey Ohio. Division of Geological Survey Published: 1975 Total Pages: 32 Get eBook