1991. Hull, Dennis N. 1948-. Dennis N. Hull, chief compiler. Ohio. Division of Geological Survey.
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1993. Forsyth, Jane L. 1921-. compiled by Jane L. Forsyth, C. Scott Brockman, and Richard P. Goldthwait. Depths shown by bathymetric isolines. Includes legend, text, location ma... Ohio. Division of Geological Survey.
1993. Hull, Dennis N. Includes legend, text, location maps and primary data source maps. compiled by Dennis N. Hull. Scale 1:250,000 Depths shown by bathymetric isolines. Ohio. Division of Geological Survey.
1993. Goldthwait, Richard P. 1911-1992. Includes legend, text, location maps and primary data source maps. compiled by Richard P. Goldthwait and Robert G. Van Horn. Scale 1:250,000 Depths... Ohio. Division of Geological Survey.
1953. Calvert, Warren L. Scale 1:500 000. by Warren L. Calvert. Includes legend. Ohio. Division of Geological Survey.
1998. Hansen, Michael C. Includes text and ill. by Michael Hansen. "Publication date: 9/98." Revised edition 1997. Scale approximately 1:2,100,000. Text, insets and ill. on... Ohio. Division of Geological Survey.