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Found 209 dataset(s) matching "nca2000".
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Active and inactive coal mine polygons of the Yampa coal field.
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These are shapefiles and final unioned polygon coverages used to calculate coal resources of the A through D coal zones, Yampa coal field, northwestern Colorado. Yamafing was used for the A coal...
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These are shapefiles and coverages that outline the areas underlain by the A, B, C, and D coal zones in the Yampa coal field. They delimit the area within which resources were calculated and...
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These are shapefiles and ARC/INFO polygon coverages showing the isopachs of total net coal in beds greater than or equal to 1.2' thick for the A, B, C, and D coal zones in the Williams Fork...
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These are shapefiles and coverages of final unioned polygon coverages used to calculate coal resources of the Cameo/Fairfield coal group east of 107 deg 15' longitude, and the Cameo/Wheeler, South...
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These are shapefiles and ARC/INFO coverages of coal fields and coal-bearing formations in the Colorado Plateau. These GIS layers were created by combining numerous ARC/INFO coverages created for...
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This is a coverage of the Colorado Plateau coal assessment study area. The study area outline was drawn on the county lines that most closely outline the coal-bearing rocks in the Colorado...
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These are shapefiles and ARC/INFO coverages that outline the areas within which coal resources are calculated and reported for the A/B through G coal zones, Danforth Hills coal field. The...
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Final unioned polygon coverages and shapefiles used to calculate coal resources of the A through G coal zones, Danforth Hills coal field, northwestern Colorado. Danafing was used for the A coal...
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These are shapefiles and ARC/INFO polygon coverages showing the isopachs of total net coal in beds greater than or equal to 1.2' thick for the A through G coal zones, Danforth Hills coal field....
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These are shape files of final unioned polygon coverages used to calculate coal resources of the B and D coal zones, Lower White River coal field, Deserado assessment area, northwestern Colorado....
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These are shapefiles and ARC/INFO polygon coverages showing the isopachs of total net coal in beds greater than or equal to 1.2' thick for the B and D coal zones, Deserado coal area, Lower White...
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These ArcView shapefiles contain: 1) a representation of thickness of overburden above the Anderson-Canyon coal zone, and 2) a representation of exposed zone for the Anderson-Canyon coal zone in...
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These ArcView shapefiles contain representations of numerous themes associated with the Ferris coal zones in the Ferris coalfield, Hanna Basin, Wyoming. The purpose of these shapefiles is to allow...
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These ArcView shapefiles contain representations of the thickness of overburden above the Ferris coal zones in the Ferris coalfield, Hanna Basin, Wyoming. These datasets was created specifically...
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These ArcView shapefiles contain representations of the study areas for the Ferris coal zones in the Ferris coalfield, Hanna Basin, Wyoming. These datasets were created specifically for the...
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These ArcView shapefiles contain representations of the net coal thickness in the Hanna 77, 78, 79 and 81 coal zones, Hanna coalfield, Hanna Basin, Wyoming. These datasets were created...
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These ArcView shapefiles contain representations of the Hanna 77, 78, 79 and 81 coal drill hole locations. These shapefiles were created specifically for the National Coal Resource Assessment of...
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These ArcView shapefiles contain representations of the Hanna coal zone study limit boundaries in the Hanna coalfield, Hanna Basin, Wyoming. These shapefiles were created specifically for the...
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This is a polygon coverage and shapefile that contains undivided Upper Cretaceous rocks that include (in descending order) the Smoky Hollow and Tibbet Canyon Mbs. of the Straight Cliffs Fm., and...
