Schumacher, Gregory A.Includes bibliographical references.Adhesive "Revision" label affixed at end of bibliography.by Gregory A. Schumacher ; Lisa Van Doren and Michael R. Lester, cartographers.Scale 1:100,000 ; Transverse Mercator projection."Publication date: 8/93."Includes text, ancillary map of terminal moraines and drainage, 2 cross-sections, stratigraphic column, and diagrams.TIFFhttps://hdl.handle.net/1811/6e02e5a7-eb2a-4333-b615-55cab22c9735engOhio. Division of Geological SurveyPublicMorainesGeologyRegional bedrock geology of the Ohio portion of the Piqua, Ohio-Indiana 30 x 60 minute quadrangleMapsOhio--IndianaOhioThe Ohio State University