USAK_PNT FILES --> 

-These files represent Alaskan Coalfields of unknown extent as points
-Feature Class = POINT

	usak_pnt.dbf
	usak_pnt.shp
	usak_pnt.shx
_________________________________________________________________________

USCOKE FILES -->

-These files represent locations of coke coal production
-Feature Class = POINT

	uscoke.dbf
	uscoke.shp
	uscoke.shx
_________________________________________________________________________

USCOAL FILES -->

-These files represent US Coalfields as polygons (and arcs/lines)
-Feature Class = LINE

	uscoal_l.dbf
	uscoal_l.shp
	uscoal_l.shx


-Feature Class = POLYGON

	uscoal_p.dbf
	uscoal_p.shp
	uscoal_p.shx
________________________________________________________________________

-ALL DATA IS IN A GEOGRAPHIC COORDINATE SYSTEM (NOT PROJECTED)
 USING DECIMAL DEGREES

-PLEASE REFER TO METADATA FILES FOR MORE DETAILED INFORMATION