Annual Reports are an account of the organization’s activities for the period of the report. The first organization of the Ohio Geological Survey was from 1837-1838. The second organization of the Ohio Geological Survey was from 1869-1889. The third organization of the Ohio Geological Survey was from 1890-1900. The fourth organization of the Ohio Geological Survey was from 1900 to the present.

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.