TY - RPRT TI - Nitrate and herbicide loading in two groundwater basins of Illinois' sinkhole plain AU - S.V. Panno AU - W.R. Kelly PY - 2004 DO - 10.1016/j.jhydrol.2003.12.017 UR - https://pubs.usgs.gov/publication/70027243 ID - 70027243 ER -