Skip to main content
Advanced Search

Filters: Categories: Data (X) > Categories: pre-SM502.8 (X) > partyWithName: Johnson, E.A (X) > Types: OGC WFS Layer (X)

30 results (16ms)   

View Results as: JSON ATOM CSV
thumbnail
This is a shapefile and unioned polygon ownership coverage used to calculate coal resources of the A through D coal zones, Yampa coal field, northwestern Colorado. Polygons that have been combined include counties, 7.5' quadrangles, townships, surface and coal ownership. This ownership coverage was clipped by the largest resource boundary polygon--that of the A coal zone.
thumbnail
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 zone; Danbfing 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, lease boundaries, overburden, and coal thickness categories. The final coverages were clipped to the resource areas for each coal zone, which are described in the metadata files for the *_bnd coverages.
thumbnail
These are shapefiles and coverages of data points used in the assessment of coal zones A, B, C, and D in the Yampa coal field, northwestern Colorado. There are four separate shapefiles, one for coal zone. Yama_pts is for the A coal zone, yamb_pts is for the B coal zone, etc.


map background search result map search result map Anticlines and synclines of Danforth Hills Coal Field (danclineg) Danforth Hills coal lease areas, Colorado Plateau (danleasg.shp) Public data points (wells) in Danforth Hills coal field, Colorado Plateau (danptg) Structure contours on top of Coal marker sands, the Deserado Study Area, Lower White River coal field, Colorado (desstrcg) Geology of the Yampa coal field, Northwestern Colorado (yamgeolg) Active and inactive mines in the Yampa coal field Yampa coal field land status and Federal mineral ownership (yamowng) Data point (drill locations) locations used in assessing coals in the Yampa coal field (yam*ptg) Unioned layer of coal resource calculation in the Danforth Hills coal field, Colorado (dan*fing) Isopachs of net coal in the B and D coal zones, Deserado study area, Lower White River coal field, CO (des*thkg) Structure contours on top of Coal marker sands, the Deserado Study Area, Lower White River coal field, Colorado (desstrcg) Isopachs of net coal in the B and D coal zones, Deserado study area, Lower White River coal field, CO (des*thkg) Danforth Hills coal lease areas, Colorado Plateau (danleasg.shp) Public data points (wells) in Danforth Hills coal field, Colorado Plateau (danptg) Unioned layer of coal resource calculation in the Danforth Hills coal field, Colorado (dan*fing) Anticlines and synclines of Danforth Hills Coal Field (danclineg) Data point (drill locations) locations used in assessing coals in the Yampa coal field (yam*ptg) Yampa coal field land status and Federal mineral ownership (yamowng) Active and inactive mines in the Yampa coal field Geology of the Yampa coal field, Northwestern Colorado (yamgeolg)