TY - RPRT TI - Distinguishing sources of ground water recharge by using δ2H and δ18O AU - Kyle W. Blasch AU - Jeannie R. Bryson PY - 2007 DO - 10.1111/j.1745-6584.2006.00289.x UR - https://pubs.usgs.gov/publication/70030071 ID - 70030071 ER -