Filters: Tags: 54099 (X)
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This dataset is a polygon coverage of minable thickness for the Pond Creek coal zone in Kentucky, West Virginia, and Virginia. The coverage was created by gridding 4,391 points and contouring the grid with 1.17-ft intervals. The polygons have elevation values halfway between the bounding contour arc values. This dataset honors data submitted for the asessment from the Kentucky Geological Survey; therefore contour lines may not match across State lines (see Process Steps). This map is one of many Geographic Information System (GIS) products of the National Coal Assessment that is being conducted by the U.S. Geological Survey in cooperation with State geological surveys and other Federal and State agencies. The Middle...
Categories: Web Site;
Tags: 21013 = Bell,
21025 = Breathitt,
21071 = Floyd,
21095 = Harlan,
21115 = Johnson,
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and magnetic-field values.
Categories: Web Site;
Tags: 21019 = Boyd,
39053 = Gallia,
39087 = Lawrence,
39105 = Meigs,
51091 = Highland,
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,
This dataset is a polygon coverage of structure contours (elevation) for the Pond Creek coal zone in Kentucky, West Virginia, and Virginia. The surface was created by gridding information from 137,355 points and contouring the grid into 100-ft intervals. Many of the points were derived from existing structure contoure maps obtained from Kentucky and West Virgina. In Virginia, data were searched from the StratiFact database created from the National Coal Resource Data System (NCRDS). Data from specific quadrangles in the StratiFact database from the West Virginia Geological and Economic Survey were also searched. The grid was created in EarthVision, was contoured and imported to ARC/INFO as polygons using an AML....
Categories: Web Site;
Tags: 21013 = Bell,
21025 = Breathitt,
21071 = Floyd,
21095 = Harlan,
21115 = Johnson,
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