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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. The coverage danathkg is the isopach coverage for the A coal zone; danbthkg is for the B coal zone, and so on.
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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 Canyon, and Coal Ridge coal zones west of 107 deg 15' longitude in the southern Piceance Basin, northwestern Colorado. Pscbfing was used for the area east of 107 deg 15' longitude; pscwfing was used for the Cameo/Wheeler coal zone; psscfing was used for the South Canyon coal zone; pscrfing was used for the Coal Ridge coal zone. Polygons that make up the final unioned polygons include counties, 7.5' quadrangles, townships, surface and coal ownership, reliability, and, overburden. The final unioned coverage for each coal...
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ESRI GRID raster datasets were created to display and quantify nahcolite resources for eight oil shale zones in the Piceance Basin, Colorado as part of a 2009 National Oil Shale and Nahcolite Assessment. The zones in descending order are: L-5, R-5, L-4, R-4, L-3, R-3, L-2, and R-2. Each raster cell represents a one-acre square of the land surface and contains values for nahcolite tonnage. The gridnames follow the naming convention *_n, where "*" can be replaced by the name of the oil shale zone.
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This shapefile includes anticlines and synclines of the Lower White River coal field. Nominal map scale is 500,000. The original digital source data for this shapefile was the digital geologic map of Colorado.
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This is a point coverage containing 12 years (1984 through 1995) of coal mining history in the Colorado Plateau coal assessment study area. This layer was derived from the Mine Safety and Health Administration's (MSHA) Information Resource Center data for the years 1984 through 1995.
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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 shapefile DANABBNDG is the defining resource polygon for the A and B coal zones; DANCbndg is the defining resource polygon for the C coal zone, and so on.


map background search result map search result map Coal-mine production history from 1984 through 1995 in the Colorado Plateau coal assessment study area (cpmphg) Geology of the Danforth Hills study area, Colorado Plateau (dangeolg) Structure contours on top of the Trout Creek Sandstone, Danforth Hills, Colorado (danstrcg) Boundary of the Deserado Coal Area (desbndg.shp) Data Points (drill sites) for Deserado Coal Area, Colorado Plateau (desptg) Anticlines and synclines of the Lower White River coal field (lwrclineg) Faults in the Lower White River coal field, Colorado Plateau (lwrfltg) Faults of the Piceance Basin, Colorado Mahogany Ledge Digital Structure Contour Lines of the Piceance Basin, Colorado Oil Shale Core Holes Containing Nahcolite in the State of Colorado Faults in the Southern Piceance Basin, 2000 Colorado Plateau Coal Assessment (psfltg) Geology of the southern Piceance Basin, Colorado (psgeolg) Active & Inactive Mines in the Southern Piceance Basin (psmng) Structure contours on top of the Rollins Sandstone Member, southern Piceance Basin (psstrcg) Unioned layer of coal resource calculation in the southern Piceance Basin, Colorado (ps*fing) Danforth Hills coal resources calculation area, Northwest Colorado (dan*bndg) Isopachs of total net coal in beds >1.2' thick, A - G coal zones, Danforth Hills coal field (dan*thkg) Raster Dataset Model of Nahcolite Resources in the Piceance Basin, Colorado Raster Dataset Model of Overburden Above the Mahogany Zone in the Piceance Basin, Colorado TIN Dataset Model of Overburden Above the Mahogany Zone in the Piceance Basin, Colorado Data Points (drill sites) for Deserado Coal Area, Colorado Plateau (desptg) Boundary of the Deserado Coal Area (desbndg.shp) Danforth Hills coal resources calculation area, Northwest Colorado (dan*bndg) Isopachs of total net coal in beds >1.2' thick, A - G coal zones, Danforth Hills coal field (dan*thkg) Oil Shale Core Holes Containing Nahcolite in the State of Colorado Geology of the Danforth Hills study area, Colorado Plateau (dangeolg) Structure contours on top of the Trout Creek Sandstone, Danforth Hills, Colorado (danstrcg) Anticlines and synclines of the Lower White River coal field (lwrclineg) Faults of the Piceance Basin, Colorado Faults in the Lower White River coal field, Colorado Plateau (lwrfltg) TIN Dataset Model of Overburden Above the Mahogany Zone in the Piceance Basin, Colorado Mahogany Ledge Digital Structure Contour Lines of the Piceance Basin, Colorado Raster Dataset Model of Nahcolite Resources in the Piceance Basin, Colorado Raster Dataset Model of Overburden Above the Mahogany Zone in the Piceance Basin, Colorado Active & Inactive Mines in the Southern Piceance Basin (psmng) Structure contours on top of the Rollins Sandstone Member, southern Piceance Basin (psstrcg) Unioned layer of coal resource calculation in the southern Piceance Basin, Colorado (ps*fing) Faults in the Southern Piceance Basin, 2000 Colorado Plateau Coal Assessment (psfltg) Geology of the southern Piceance Basin, Colorado (psgeolg) Coal-mine production history from 1984 through 1995 in the Colorado Plateau coal assessment study area (cpmphg)