Report on Ohio mineral industries, including Mineral industries map of Ohio (black and white, scale 1 inch equals about 12 miles). The report on Ohio mineral industries has been published annually by the Ohio Division of Geological Survey since 1981. As of 2000 the annual reports have been available as downloadable documents in PDF format.
Generalized column of bedrock units in Ohio. 11"x17" Chart. 1990. Single copies free. (See also IC 4 and OFR 98-2.)
List of educational resources. 25 p., 1999. Free.
The Search: the Geological Survey in Ohio. VHS videotape, 28½ minutes, 1976. Available on loan only. There is no charge for borrowing, but request must be in writing. Loan period is 2 weeks from date of delivery; borrower pays return postage.