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The USGS has worked in partnership with the State geological surveys of Kentucky, West Virginia, Maryland, Ohio, Pennsylvania, and Virginia to complete this assessment. In...
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View within SubmissionGathering Resources...Maps Designed for Printing (in PDF format for 8.5-inch x 11.0-inch paper)-
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View within SubmissionGathering Resources...Paper discussing the geology of the Devonian shales and the potential locations of gasses within it. From the paper: "The internal stratigraphy of almost any sedimentary...-
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View within SubmissionGathering Resources...The classic study by Epstein and others (1977), using conodont alteration index (CAI) isograds, is the established standard for evaluating thermal maturity patterns of lower...-
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View within SubmissionGathering Resources...Maps are presented which show indices of organic diagenesis, and form part of a data base which includes previously published stratigraphic and structural data for assessing...-
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View within SubmissionGathering Resources... -