TY - RPRT TI - Aquifer-scale controls on the distribution of nitrate and ammonium in ground water near La Pine, Oregon, USA AU - Stephen R. Hinkle AU - John Karl Bohlke AU - John H. Duff AU - David S. Morgan AU - Rodney J. Weick PY - 2007 DO - 10.1016/j.jhydrol.2006.09.013 UR - https://pubs.usgs.gov/publication/70032179 ID - 70032179 ER -