1947. Bownocker, J. A. 1865-1928. "First printing 1920, reprinted 1929. Reprinted 1947 with revision of glacial boundary by G.W. White and with changes in base map." compiled by J.A... Ohio. Division of Geological Survey.
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1948. Flint, Norman K. 1921-. Scale 1:62,500 "Base from U.S. Geological Survey topographic maps." Relief shown by contours and spot heights. by Norman K. Flint ; Geological Surv... Ohio. Division of Geological Survey.
1980. Scale approximately 1:2,000,000. "Adapted from glacial map of Ohio, U.S. Geological Survey Miscellaneous geologic investigations, Map I-316." Title...
1977. White, George W. (George Willard), 1903-1985. Includes bibliography. Ohio Docs no.: ONR 84.19:101. by George W. White. Ohio. Division of Geological Survey.
1977. White, George W. 1903-1985. by George W. White. Includes bibliography. Ohio Docs no.: ONR 84.19:101. Ohio. Division of Geological Survey.
2001. Ohio. Division of Geological Survey. Scale approximately 1:2,000,000. Text on verso: Glacial deposits of Ohio. "Publication date: 7/01"--Verso. Ohio. Division of Geological Survey.
1875. Geological and Geographical Survey of the Territories (U.S.). Scale [1:253,440]. 4 miles = 1 in. From Powell's Exploration of the Colorado River ... l875. Relief shown by contours. Department of the Interior, ... The Survey.
1991. Walker, Alfred C. Scale approximately 1:63,000. by Alfred C. Walker ; Xiaoning Jiang, cartographer.
1989. Sugar, David J. Scale approximately 1:63,000. by David J. Sugar ; Diane Hamilton, cartographer. "Total copies printed: 500.".
1986. Schmidt, James J. Relief shown by contours and spot heights. by James J. Schmidt ; cartography, David S. Orr. Scale 1:62,500 "Total copies printed: 500." Includes lo... Ohio. Department of Natural Resources.