TY - RPRT TI - Nitrate distributions and source identification in the Abbotsford-Sumas Aquifer, northwestern Washington State AU - R.J. Mitchell AU - R.S. Babcock AU - S. Gelinas AU - L. Nanus AU - D.E. Stasney PY - 2003 DO - 10.2134/jeq2003.7890 UR - https://pubs.usgs.gov/publication/70026080 ID - 70026080 ER -