TY - RPRT TI - Characterization of surface and ground water δ18O seasonal variation and its use for estimating groundwater residence times AU - Michael M. Reddy AU - Paul F. Schuster AU - Carol Kendall AU - Micaela B. Reddy PY - 2006 DO - 10.1002/hyp.5953 UR - https://pubs.usgs.gov/publication/70030378 ID - 70030378 ER -