Information Circulars (Ohio Geological Survey)
Information Circulars are compilations of data, such as coal analyses, bibliographies, and oil-and-gas well information, or relatively brief summaries of the geology of an area or a geologic unit.
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.