1991. Walker, Alfred C. "2/91." "Total copies printed: 500." Scale approximately 1:62,500 Relief shown by contours and spot heights. by Alfred C. Walker ; Xiaoning Jiang, ... Ohio. Department of Natural Resources.
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1986. Walker, Alfred C. by Alfred C. Walker ; cartography, David S. Orr. Includes location map. Scale 1:62,500 Relief shown by contours and spot heights. "Total copies pri... Ohio. Department of Natural Resources.
1981. Schmidt, James J. Includes location map. Scale 1:62,500 Relief shown by contours and spot heights. by James J. Schmidt ; cartography, VK. Ohio. Division of Water.
1983. Schmidt, James J. Includes location map. by James J. Schmidt, 1982 ; cartography, Douglas E. Keen. Scale 1:62,500 Relief shown by contours and spot heights. Ohio. Department of Natural Resources.
1980. Crowell, Katie. Includes location map. by Katie Crowell ; cartography, Craig A. Schottenstein. Scale approximately 1:63,000. Relief shown by contours and spot heig... Ohio. Division of Water.
1983. Schmidt, James J. Includes location map. Scale 1:62,500 Relief shown by contours and spot heights. by James J. Schmidt, 1982 ; cartography, Douglas E. Keen. Ohio. Division of Water.
1991. Schmidt, James J. Includes location map. Scale approximately 1:62,500 Relief shown by contours and spot heights. by James J. Schmidt ; Robert L. Stewart, cartographe... Ohio. Division of Water.
1979. Crowell, Katie. Includes location map. by Katie Crowell ; cartography, Craig A. Schottenstein. Scale approximately 1:63,000. Relief shown by contours and spot heig... Ohio. Division of Water.
1986. Hartzell, Glenn W. Includes location map. Scale 1:62,500 Relief shown by contours and spot heights. by Glen W. Hartzell ; cartography, David S. Orr. Ohio. Department of Natural Resources.
1985. Walker, Alfred C. Includes location map. by Alfred C. Walker. Relief shown by contours and spot heights. Scale 1:135,000. Ohio. Department of Natural Resources.