Marcellus Shale outcrop and thickness data, West Virginia
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{'Title': 'Marcellus Shale Outcrop and Thickness Data', 'Author': 'D.H. Cardwell, R.B. Erwin, H.P. Woodward; WVGES', 'Comments': 'For outcrops:  Marcellus outcrops show where the unit is exposed at the ground surface.  A digital copy of the 1968 geologic map was queried to obtain map unit equal to "Dm" (Marcellus), "Dmb" (Harrell, Mahantango, Marcellus), or "Dmn" (Marcellus Formation and Needmore Shale).\n\nFor thickness:  Marcellus thickness contours are derived from Plate 7 "Thickness of Highly Radioactive Shale in Hamilton Group" from Joseph F. Schwietering, "The Occurrence of Oil and Gas in Devonian Shales and Equivalents in West Virginia".', 'Subject': 'Marcellus Shale outcrop and thickness data, West Virginia', 'Category': '', 'AntialiasingMode': 'None', 'TextAntialiasingMode': 'Force', 'Keywords': 'Marcellus,Marcellus Shale,Marcellus Formation,Marcellus Outcrop,Marcellus Shale Outcrop,Marcellus Formation Outcrop,Devonian Shales,Devonian,Shales,Shale Gas'}
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