1951. Norris, Stanley Eugene, 1916-. Scale not given. Library's copy 2 mounted on cloth backing. "April 1951." Relief shown by contours; contour interval 100 feet. Includes index map. ... Ohio. Division of Geological Survey.
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1862. United States. Army. Corps of Engineers. Cincinnati (Ohio)--Maps.
413. Ohio landform map
1956. Bier, James Allen. Scale 1:1,250,000. "Based primarily on U.S.G.S. topographic maps.". Ohio. Division of Geological Survey.
414. Regional bedrock geology of the Ohio portion of the Piqua, Ohio-Indiana 30 x 60 minute quadrangle
1993. Schumacher, Gregory A. Includes bibliographical references. Adhesive "Revision" label affixed at end of bibliography. by Gregory A. Schumacher ; Lisa Van Doren and Michae... Ohio. Division of Geological Survey.
1985. Risser, Michele. by Michele L. Risser ; cartographic drafting by Robert L. Stewart. Includes tables, water-well logs and location map. Includes bibliography. Ohio. Division of Geological Survey.
1987. Struble, Richard A. Includes text, 3 tables, location map, and water-well logs. by Richard A. Struble ; cartographic drafting by Lisa Van Doren. Relief shown by contou... Ohio. Division of Geological Survey.
1987. Struble, Richard A. Includes tables, water-well logs and location map. Scale 1:24,000. Includes bibliographical references. by Richard A. Struble ; cartographic drafti... Ohio. Division of Geological Survey.
1986. Risser, Michele. Relief shown by contour lines and spot heights. Scale approximately 1:63,360 Includes text, 3 tables, location map, and water-well logs. by Michele... Ohio. Division of Geological Survey.
1987. Struble, Richard A. by Richard A. Struble. Scale approximately 1:63,360 Relief shown by contour lines and spot heights. Includes text, bibliography, 3 tables, location... Ohio. Division of Geological Survey.
1953. Calvert, Warren L. Scale 1:500 000. by Warren L. Calvert. Includes legend. Ohio. Division of Geological Survey.