Goldthwait, Richard P. 1911-1992Includes legend, text, location maps and primary data source maps.compiled by Richard P. Goldthwait and Robert G. Van Horn.Scale 1:250,000Depths shown by bathymetric isolines.TIFFhttps://hdl.handle.net/1811/4714f2aa-5512-40ce-a266-90a6d1158ba7engOhio. Division of Geological SurveyPublicGeologyGeology, StratigraphicQuaternary geology of Ohio, Columbus quadrangleMapsOhioThe Ohio State University