The Ohio Cooperative Topographic Survey was a combined effort to map the state at a scale of 1:62,500. The project was done through joint staffing, funding, and project support by the State of Ohio and the U.S. Geological Survey, Topographic Branch. The project's inspector, C.E. Sherman, prepared the four volume final report and the Ohio Original Land Subdivisions map published between 1916 through 1933.

Items in this collection are copyright-protected and are reproduced here with permission or under the Fair Use provision of copyright law for research and educational purposes. Permission must be obtained from the State of Ohio, Department of Natural Resources to reuse, publish, or reproduce the object beyond the bounds of Fair Use or other exemptions to the law. NOTE: Some items may be obtained in published paper format by contacting the Ohio Geological Survey Geologic Records Center at (614) 265-6576 or Geo.Survey@dnr.state.oh.us.

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