Unioned layer of coal resource calculation in the southern Piceance Basin, Colorado (ps*fing)
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. …