Data files in formats specific to Geosoft software

gdb: Geosoft database format
	Alaska.zip
	EastCentUS.zip
	EasternUS.zip
	WestCentUS.zip
	WesternUS.zip

grd: Geosoft grid format
	grd.zip
		NAMrad_K.grd
		NAMrad_K.grd.gi
		NAMrad_Th.grd
		NAMrad_Th.grd.gi
		NAMrad_U.grd
		NAMrad_U.grd.gi
		NAMrad_exp.grd
		NAMrad_exp.grd.gi

map:	Geosoft map format
	CosmicDose.zip
	NAM_CCM.zip
	NAM_K.zip
	NAM_Th.zip
	NAM_U.zip
	NAM_exp.zip