"WEATHERING_TYPE"	"WEATHERING_TYPE_DESC"	"IMAGE_BITMAP"	"REFERENCE_CODE_ID"
"bc"	"biotite - chlorite alteration"		"7"
"ch"	"chlorite - hematite alteration"		"8"
"ls"	"lower saprolite (green, blue, black)"		"4"
"mz"	"mottled zone"		"3"
"pa"	"bleached (pallid zone)"		"1"
"sp"	"saprock"		"5"
"tz"	"transition zone"		"6"
"us"	"upper saprolite (yel,red)"		"2"
