Geophysical Methods for Investigating Ground-Water Recharge - Ferre, Ty; Binley, Andrew; Blasch, Kyle; Callegary, James; Crawford, Steven; Fink, James; Flint, Alan; Flint, Lorraine; Hoffmann, John; Izbicki, John A.; Levitt, Marc; Pool, Donald; et al. (Professional Paper, 2007)