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Top products - Richard M. Delong:
Bedrock geology of the Minerva quadrangle, Stark, Columbiana, and Carroll counties, Ohio, (Ohio. Division of Geological Survey. Report of investigations)
Author: Richard M DeLong
Manufacturer: Ohio Division of Geological Survey
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Geology of Stark county. With maps (Ohio Geological Survey. Bulletin. no. 61.)
Author: Richard M. Delong
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Coal resources of the lower part of the Allegheny formation in Ohio (Report of investigations)
Author: Richard M DeLong
Manufacturer: Ohio Dept. of Natural Resources, Division of Geological Survey
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Geology of Stark County (Bulletin)
Author: Richard M DeLong
Manufacturer: Ohio Division of Geological Survey
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The Pittsburgh no. 8 and Redstone no. 8A coal beds in Ohio (Report of investigations)
Author: Richard M DeLong
Manufacturer: State of Ohio, Dept. of Natural Resources, Division of Geological Survey
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Bedrock geology of the Bergholz quadrangle, Carroll and Jefferson Counties, Ohio; (Ohio. Division of Geological Survey. Report of investigations)
Author: Richard M DeLong
Manufacturer: Ohio Division of Geological Survey
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Richard M. Delong
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