Utah Oil Shale Database (OFR-469) Media Type:CD But by the turn of

But by the turn of the 20th century

classic examples of inverted valleys capped by older lava flows

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are three plates-the colored geologic map at 1:62

Utah Oil Shale Database (OFR-469) Media Type:CD But by the turn ofBy: M. D. Vanden Berg, J. R. Dyni, and D. E. Tabet, compilers The Utah oil shale database contains a large assortment of information on boreholes that were drilled in the Eocene Green River Formation oil shale deposits in the Uinta Basin of eastern Utah. Available files include: Fischer assays made from drill cores and cuttings, scanned geophysical logs, detailed location information, lithologic descriptions, formation top information, and overview