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Filters: partyWithName: U.S. Geological Survey (X) > partyWithName: U.S. Geological Survey - ScienceBase (X) > partyWithName: Roberts, L.N.R (X)

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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 zone, yambfing was used for the B coal zone, etc. Polygons that make up the final unioned polygons include counties, 7.5' quadrangles, townships, surface and coal ownership, leased areas, net coal thickness categories, and overburden categories. The final unioned coverage for each coal zone, was clipped by the resource boundary polygon of each coal zone. These polygons are described in the metadata files for the yam_bnd coverages.
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This is a polygon coverage of the structure contours of the Calico sequence boundary in the Kaiparowits Plateau, southern Utah. Sequence boundary elevations are based on 166 drill sites. The Calico sequence boundary occurs from 50-100 ft below the base of the John Henry Member, therefore an inferred elevation of the sequence boundary was used at numerous locations along the outcrop where the John Henry Member was mapped. The outside polygon defines the base of the coal-bearing Calico and A-sequences of the Straight Cliffs Formation east of 112 degrees of longitude. The northern boundary is delineated by the Paunsaugunt fault and volcanic rocks of Tertiary age.
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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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These are shapefiles and coverages that represent areas of combined State and Federal coal leases and mined-out areas in the Yampa coal field. Yamaleasg contains polygons for which resources were not calculated for the A coal zone. Yambleasg contains polygons for which resources were not calculated for the B coal zone, etc.
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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 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 others, chap. T. Faults and fold axes are located along the Earth's surface. This does not imply where they are located in the subsurface.
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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 final unioned polygons include counties, 7.5' quadrangles, townships, surface and coal ownership, reliability, overburden categories, and net coal thickness categories. The final unioned coverage was clipped by the resource boundary polygon, which is described in the metadata file for the shapefile WS_BND.
map background search result map search result map Geology of the Danforth Hills study area, Colorado Plateau (dangeolg) Boundary of the Deserado Coal Area (desbndg.shp) Data Points (drill sites) for Deserado Coal Area, Colorado Plateau (desptg) Geologic structural features within the Kaiparowits Plateau study area, southern Utah (kaistrcg) Anticlines and synclines of the Lower White River coal field (lwrclineg) Faults in the Lower White River coal field, Colorado Plateau (lwrfltg) 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) Final unioned file used for coal resource calculations, southern Wasatch Plateau, Central Utah (wsfing) Southern Wasatch Plateau geology, Utah (wsgeolg) Southern Wasatch Plateau coal mine locations, Utah (wsmng) Isopachs of total net coal, lower Blackhawk Formation, southern Wasatch Plateau, UT (wsthkg) Anticlines and synclines of the Yampa Coal Field (yamclineg) Final unioned files for Yampa coal field resource calculations, northwestern Colorado (yam*fing) Yampa coal field combined leased areas and mined-out areas, Colorado Plateau (yam*leasg) Boundaries delimiting areas within which resources were calculated for A through D coal zones, Yampa coal field, CO (yam*bndg) Unioned layer of coal resource calculation in the southern Piceance Basin, Colorado (ps*fing) The structure contours of the Calico sequence boundary in the Kaiparowits Plateau, southern Utah (csbstrc*g) Isopachs of total net coal in beds >1.2' thick, A - G coal zones, Danforth Hills coal field (dan*thkg) Data Points (drill sites) for Deserado Coal Area, Colorado Plateau (desptg) Boundary of the Deserado Coal Area (desbndg.shp) Southern Wasatch Plateau coal mine locations, Utah (wsmng) Isopachs of total net coal in beds >1.2' thick, A - G coal zones, Danforth Hills coal field (dan*thkg) Yampa coal field combined leased areas and mined-out areas, Colorado Plateau (yam*leasg) Isopachs of total net coal, lower Blackhawk Formation, southern Wasatch Plateau, UT (wsthkg) Final unioned file used for coal resource calculations, southern Wasatch Plateau, Central Utah (wsfing) Geology of the Danforth Hills study area, Colorado Plateau (dangeolg) Anticlines and synclines of the Lower White River coal field (lwrclineg) Southern Wasatch Plateau geology, Utah (wsgeolg) Anticlines and synclines of the Yampa Coal Field (yamclineg) Final unioned files for Yampa coal field resource calculations, northwestern Colorado (yam*fing) Boundaries delimiting areas within which resources were calculated for A through D coal zones, Yampa coal field, CO (yam*bndg) Faults in the Lower White River coal field, Colorado Plateau (lwrfltg) The structure contours of the Calico sequence boundary in the Kaiparowits Plateau, southern Utah (csbstrc*g) Geologic structural features within the Kaiparowits Plateau study area, southern Utah (kaistrcg) Active & Inactive Mines in the Southern Piceance Basin (psmng) 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)