1915. Geological Survey (U.S.). Scale 1:62,500 Relief shown by contours and spot heights. Contour interval 50 ft. "Surveyed in 1893-94." Text and ill. on verso. Department of the ... The Survey.
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1913. Birds's eye view. Title penciled it. Scale drawn in pencil and cannot be distinguished.
1984. Hull, Dennis N. by Dennis N. Hull ; cartographic drafting by Leonard M. Guckenheimer and Katherine L. Jennings. Includes location map. Includes bibliography. Ohio. Division of Geological Survey.
1977. White, George W. 1903-1985. by George W. White. Includes bibliography. Ohio Docs no.: ONR 84.19:101. Ohio. Division of Geological Survey.
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.
246. 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.
247. 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.