Isopachs of total net coal in beds &gt;1.2' thick, A - G coal zones, Danforth Hills coal field (dan*thkg)
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.