id	keyword
arees-684	vulnerability
arees-684	groundwater
arees-684	map
arees-684	qawt
arees-684	aquifer
arees-684	sand
arees-684	area
arees-684	environmental
arees-684	soil
arees-684	index
arees-684	method
arees-684	zone
arees-684	maps
arees-684	table
arees-684	clay
arees-684	depth
arees-684	prast
arees-684	pollution