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.geology by S.E. Norris ; drafting by J.C. Krolczyk.TIFFhttps://hdl.handle.net/1811/45004880-76e6-4efd-8a6d-8c3122803ba8engOhio. Division of Geological SurveyPublicGeologyMap showing contours on the bedrock surface in West-Central OhioMapsOhio--CincinnatiOhioThe Ohio State University