Report on Ohio Mineral Industries. Includes Map IM-1, Map of Active Industrial Mineral Operations in Ohio (color; scale, 1:500,000). The Report on Ohio Mineral Industries has been published annually by the Division of Geological Survey since 1981. As of 2000, the annual reports have been available as downloadable PDF documents.*
Generalized Column of Bedrock Units in Ohio. 11" x 17" Chart. 1990. Single copies free. (See also IC 4 and OFR 98-2.)
The Search: The Geological Survey in Ohio. 28½ minutes, 1976. This documentary showcases the history and scientific efforts of the Survey and the integral role it has played in the economic, industrial, and cultural development of Ohio. Recently converted from the original 16-mm film, it is available in the Multimedia Library and on DVD for loan. There is no charge for borrowing, but a request must be in writing. Loan period is 2 weeks from date of delivery; borrower pays return postage.
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