"10.1029/1999WR900284" . "Projecting U.S. freshwater withdrawals"^^ . . "36" . "769-780" . "2000"^^ . "10.1029/1999WR900284" . . . _:genid1 . _:genid1 . _:genid1 . _:genid1 . _:genid1 . . . . . . .