1976. Sherman, C. E. 1869-1940. Scale [1:380,160] : Published originally to accompany: Original Ohio land subdivisions ... Ohio Cooperative Topographic Survey / by C.E. Sherman. b... Ohio. Division of Geological Survey.
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1959. Walker, Alfred C. Map side also contains legend and explanation of map symbols. Scale bar lower left corner. Text includes information about generalized stratigraphi... Ohio. Division of Water.
1959. Walker, Alfred C. Map side also contains legend and explanation of map symbols. Text includes information about generalized stratigraphic sequence of the rocks in th... Ohio. Division of Water.
1959. Walker, Alfred C. Prepared by ALFRED C. WALKER, Geologist, Ohio Division of Water, from data compiled by Lawrence R. Brunstetter. Scale bar lower right corner of map... Ohio. Division of Water.
1960. Pree, Henry L. (Henry Louis), 1917-. Prepared by HENRY L. PREE, JR. Geologist, Ohio Division of Water Map side also contains legend and explanation of map symbols. Text includes inform... Ohio. Division of Water.
1962. Pree, Henry L. (Henry Louis), 1917-. Scale bar lower left corner of map. Text includes information about generalized stratigraphic sequence of the rocks in the Black and Clear Fork Bas... Ohio. Division of Water.
1962. Pree, Henry L. (Henry Louis), 1917-. Scale bar lower left corner. Map side also contains legend and explanation of map symbols. Text includes information about generalized stratigraphi... Ohio. Division of Water.
1960. Walker, Alfred C. Prepared by ALFRED C. WALKER, Geologist, Ohio Division of Water Map side also contains legend and explanation of map symbols. Text includes informa... Ohio. Division of Water.
1962. Walker, Alfred C. Map side also contains legend and explanation of map symbols. "Prepared by ALFRED C. WALKER, Geologist, Ohio Division of Water" Scale bar lower rig... Ohio. Division of Water.
1962. Schmidt, James J. Map side also contains legend and explanation of map symbols. Scale bar lower right corner of map. "Prepared by JAMES J. SCHMIDT, Geologist, Ohio D... Ohio. Division of Water.