Ohio. Division of Geological SurveyScale 1:500,000.Coordinates: W 84⁰52ʹ--W 80⁰30ʹ/N 42⁰--N 38⁰22ʹIncludes tables of "Oil pipe lines," "Gas storage areas," and "Gas pipe lines.""A revision of the 1955 publication, compiled by Robert L. Alkire."Revised.Division of Geological Survey ; cartographic drafting by Philip Celnar."Base map by U.S.G.S."TIFFhttps://hdl.handle.net/1811/e7364e14-c319-4e5a-b769-a2529633944fengOhio. Division of Geological SurveyPublicNatural gas pipelinesPetroleum pipelinesOil and gas pipe lines in Ohio, 1968MapsOhioThe Ohio State University