Hull, Dennis N. 1948-Relief shown by contour lines and spot heights.Includes text, bibliography, index and location map.by Dennis N. Hull.Scale approximately 1:63,360"Contour interval is 10 feet."TIFFhttps://hdl.handle.net/1811/ceed8edb-a8b6-46dc-b7b2-6cfa7c542481engOhio. Division of Geological SurveyPublicSediments (Geology)Surficial materials of Portage County, OhioMapsOhio--Portage CountyOhioThe Ohio State University