1998. Brockman, C. Scott. by C. Scott Brockman. "Total copies printed: 20,000. Unit cost: $.05. Publication date: 8/02." Table on verso. Scale approximately 1:212,000 "4/98.... Ohio. Division of Geological Survey.
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1987. Risser, Michele. Relief shown by contour lines and spot heights. Includes references. Scale 1:63,360 Includes text, 2 tables, and location map. by Michele L. Risser... Ohio. Division of Geological Survey.
1987. Risser, Michele. Includes references. Scale 1:63,360 by Michele L. Risser ; cartographic drafting by Robert L. Stewart. Includes text, 2 tables, and location map. R... Ohio. Division of Geological Survey.
1987. Hull, Dennis N. 1948-. Relief shown by contour lines and spot heights. Includes text, bibliography, index and location map. by Dennis N. Hull. Scale approximately 1:63,36... Ohio. Division of Geological Survey.
1987. Hull, Dennis N. "Contour interval is 10 feet." by Dennis N. Hull. Includes text, bibliography, index and location map. Scale approximately 1:63,360 Relief shown by... Ohio. Division of Geological Survey.