Found 57 datasets matching "NCRA".
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This dataset portrays the boundary of the Regions as defined for the National Coal Resource Assessment Project.
Search relevance: 62.06 | Views last month: 0 -
This ArcView shapefile contains a polygon representation of the Ashland coalfield, Montana, as defined in the USGS National Coal Resource Assessment (NCRA) project. This theme was created...
Search relevance: 49.24 | Views last month: 0 -
This ArcView shape file contains a line representation of the Knobloch coal bed outcrop or contact with clinker in the Ashland coalfield as defined in the USGS National Coal Resource Assessment...
Search relevance: 47.83 | Views last month: 0 -
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...
Search relevance: 30.53 | Views last month: 0 -
This is a shapefile and ARC/INFO point coverage of coal geochemistry in the Colorado Plateau. This GIS layer was created from the U.S. Geological Survey's USCHEM database for the Colorado Plateau...
Search relevance: 29.59 | Views last month: 0 -
This is a shapefile and ARC/INFO coverage of the structure contours on top of the Coal marker sands in the Deserado Study area, Lower White River coal field, Colorado
Search relevance: 22.38 | Views last month: 0 -
This ArcView shapefile contains a polygon representation of the northern boundary of the Powder River Basin (Montana). This theme was created specifically for the National Coal Resources...
Search relevance: 21.63 | Views last month: 0 -
This is a line coverage of the geologic structural features within the Kaiparowits Plateau. Structural features include synclines, anticlines, folds and faults; and are shown in Hettinger and...
Search relevance: 21.54 | Views last month: 0 -
This is a shapefile and the final unioned polygon coverage used to calculate coal resources of the lower Blackhawk Formation in the southern Wasatch coal assessment area. Polygons that make up the...
Search relevance: 21.52 | Views last month: 0 -
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...
Search relevance: 21.17 | Views last month: 0 -
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...
Search relevance: 21.06 | Views last month: 0 -
This data set portrays the land ownership polygon features in the U.S. Geological Survey (USGS) Colorado Plateau coal assessment study area (Colorado, Utah, New Mexico and Arizona). The data set...
Search relevance: 20.89 | Views last month: 1 -
This is a shapefile and coverage of points used in the assessment of coal in the lower Blackhawk Formation, southern Wasatch Plateau, Utah.
Search relevance: 20.52 | Views last month: 1 -
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...
Search relevance: 20.49 | Views last month: 0 -
This is a polygon coverage that represents areas underlain by the coal-bearing Calico and A-sequences of the Straight Cliffs Formation east of 112 degrees of longitude. It differentiates between...
Search relevance: 20.47 | Views last month: 0 -
This is a polygon coverage of the outcrop of the John Henry Member of the Straight Cliffs Formation east of 112 degrees of longitude in the Kaiparowits Plateau, southern Utah. This polygon was...
Search relevance: 20.47 | Views last month: 0 -
This is a shapefile and coverage that outlines the area underlain by coals in the lower Blackhawk Formation, southern Wasatch Plateau coal assessment area. The polygons delimit the area within...
Search relevance: 20.45 | Views last month: 0 -
This is a shapefile and coverage of ownership in the southern Piceance Basin coal assessment area, northwestern Colorado. Polygons that make up the coverage include counties, 7.5' quadrangles,...
Search relevance: 20.36 | Views last month: 0 -
This is a line coverage of coal mine adits within the Kaiparowits Plateau study area.
Search relevance: 20.26 | Views last month: 1 -
This is a polygon coverage and shapefile that defines areas that are underlain by the Osiris Tuff and Wasatch Fm. (Tert.), Pine Hollow Fm. (Tert.?), Canaan Peak Fm. (Tert.? and Cret.), and the...
Search relevance: 20.08 | Views last month: 2
