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.
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1985. Schmidt, James J. by James J. Schmidt. Relief shown by contours and spot heights. Scale 1:62,500 Includes location map. "Total copies printed: 500.". Ohio. Department of Natural Resources.
1982. Schmidt, James J. Includes location map. by James J. Schmidt (after Norris, S.E. 1952) ; cartography, Douglas E. Keen. Scale 1:62,500 Relief shown by contours and sp... Ohio. Division of Water.
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.
1982. Schmidt, James J. Scale 1:62,500 by James J. Schmidt ; cartography, VK & Douglas E. Keen. Includes profile and location map. Relief shown by contours and spot heights. Ohio. Division of Water.
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.
1990. Schmidt, James J. Includes location map. "Total copies printed: 500." by James J. Schmidt ; Robert L. Stewart, cartographer. Relief shown by contours and spot height... Ohio. Division of Water.
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.
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.