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Major fold axes in northcentral West Virginia and southwestern Pennsylvania
DepositionaI History and Stratigraphy
5 other sections not shown
Allegheny coal beds Allegheny sandstone anticline Appalachian basin Appalachian coal basin Appalachian Plateau average Bakerstown Big Run field Brush Creek marine caliper logs Carboniferous Cecil Clarion coal thickness coal to Greenbrier coalbed methane Conemaugh Group core and gamma-ray/density correlation Cross section density log deposits Donaldson drilled drillers face cleat fracture Freeport ft thick gamma-ray logs Geological and Economic geophysical logs Greenbrier Limestone Big Greene County higher gas contents Hunt and Steele Isopach map Kelafant Kertis Kittanning Kittanning coals Limestone Big Lime lower Mahoning Mcf/d mines Monongahela Group nonmarine north-central West Virginia northern Appalachian coal oil and gas operational Allegheny Formation outcrop peat Pennsylvania Pine Grove fields Pittsburgh coal Pottsville Pottsville Group produced prospect interval red beds red shale reported Run and Pine sandstone Scf/ton sediments shale showing the operational showing the Pittsburgh southwestern Pennsylvania stratigraphic structural subsurface thickest vitrinite reflectance Waynesburg West Virginia Geological Westmoreland Counties Wetzel County WVGES