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.
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1980. Schmidt, James J. Includes location map. Relief shown by contours and spot heights. by James J. Schmidt ; cartography, VK. Scale approximately 1:63,000. Ohio. Division of Water.
1979. Schmidt, James J. Includes location map. by James J. Schmidt ; cartography, Tarry A. Crumley. Scale approximately 1:63,000. Relief shown by contours and spot heights. Ohio. Division of Water.
1985. Schmidt, James J. Includes location map. "Total copies printed: 500." by James J. Schmidt. Scale 1:135,000 Relief shown by contours and spot heights. Ohio. Department of Natural Resources.
1983. Schmidt, James J. Scale 1:62,500. by James J. Schmidt ; cartography, Douglas E. Keen. Includes profile and index map. Relief shown by contours and spot heights. Ohio. Division of Water.
16. Map of a lower portion of the Lower Scioto River Basin showing availability of underground water
1962. Schmidt, James J. Scale bar lower left corner of map. Map side also contains legend and explanation of map symbols. "Prepared by JAMES J. SCHMIDT, Geologist, Ohio Di... Ohio. Division of Water.
17. Map of a part of the upper portion Muskingum River Basin showing availability of underground water
1962. Schmidt, James J. Map side also contains legend and explanation of map symbols. Text includes information about generalized stratigraphic sequence of the rocks in a ... Ohio. Division of Water.
1960. Schmidt, James J. Text includes information about generalized stratigraphic sequence of the rocks in the Big Walnut Creek Basin and quality of underground water. Map... Ohio. Division of Water.
1962. Schmidt, James J. Scale bar lower left corner of map. Map side also contains legend and explanation of map symbols. Text includes information about generalized strat... Ohio. Division of Water.
1961. Schmidt, James J. Scale bar lower left corner of map. Map side also contains legend and explanation of map symbols. "Prepared by JAMES J. SCHMIDT, Geologist, Ohio Di... Ohio. Division of Water.