TY - RPRT TI - Relation of pathways and transit times of recharge water to nitrate concentrations using stable isotopes AU - M.K. Landon AU - G. N. Delin AU - S.C. Komor AU - C.P. Regan PY - 2005 DO - 10.1111/j.1745-6584.2000.tb00224.x UR - https://pubs.usgs.gov/publication/70022657 ID - 70022657 ER -