TY - RPRT TI - Herbicides and degradates in shallow aquifers of Illinois: Spatial and temporal trends AU - P. C. Mills AU - D.W. Kolpin AU - E.A. Scribner AU - E.M. Thurman PY - 2005 DO - 10.1111/j.1752-1688.2005.tb03753.x UR - https://pubs.usgs.gov/publication/70029521 ID - 70029521 ER -