Final unioned file used for coal resource calculations, southern Wasatch Plateau, Central Utah (wsfing)

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.