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This dataset represents the thickness of the potentially minable Fire Clay coal benches in Virginia, West Virginia, and Kentucky. The coal zone is known by other names, depending upon locale. The data were comprised of values from Kentucky in EXCEL format, data searched from the USGS' NCRDS database for Virginia and entered into StratiFact, and a StratiFact database obtained from the West Virginia Geological and Economic Survey (WVGES). Point data were gridded, the grid contoured and imported to ARC/INFO as polygons. The Kentucky portion was replaced by a polygonal thickness coverage obtained from the Kentucky Geological Survey that had been manually contoured, therefore State line discrepancies are to be expected....
Categories: Web Site; Tags: 21013 = Bell, 21025 = Breathitt, 21043 = Carter, 21051 = Clay, 21063 = Elliott, All tags...
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The Pittsburgh coal bed is composed of regionally persistent divisions- a roof division (coals and shales) and a lower division, referred to as the "main bench". This dataset is a polygon coverage of the elevation of the top of the Pittsburgh Coal bed main bench, in feet above MSL. It was produced by gridding (producing 300 meter cells) 7,101 point-source data mainly from the National Coal Resources Data System (NCRDS) of the USGS, using ISM (Version 7.1) software. The grid was subsequently contoured in 50-ft intervals and imported to ARC/INFO. The elev_st item for each polygon reflects a value halfway between the bounding contour lines. Coverage name: c9024st (024 is the bed code assigned to the Pittsburgh Coal...
Categories: Web Site; Tags: 24001 = Allegany, 24023 = Garrett, 39009 = Athens, 39013 = Belmont, 39053 = Gallia, All tags...


    map background search result map search result map Structure contours of the Pittsburgh coal bed in Pennsylvania, Ohio, West Virginia, and Maryland Contours of potentially minable thickness for the Fire Clay coal zone in Virginia, Kentucky, and West Virginia Aeromagnetic data for Central West Virginia, West Virginia Aeromagnetic data for Central West Virginia, West Virginia Contours of potentially minable thickness for the Fire Clay coal zone in Virginia, Kentucky, and West Virginia Structure contours of the Pittsburgh coal bed in Pennsylvania, Ohio, West Virginia, and Maryland