TY - RPRT TI - Storage and mobilization of natural and septic nitrate in thick unsaturated zones, California AU - John A. Izbicki AU - Alan L. Flint AU - David R. O’Leary AU - Tracy Nishikawa AU - Peter Martin AU - Russell D. Johnson AU - Dennis A. Clark PY - 2015 DO - 10.1016/j.jhydrol.2015.02.005 UR - https://pubs.usgs.gov/publication/70144118 ID - 70144118 ER -