TY - RPRT TI - Development and application of a regression equation for estimating the occurrence of atrazine in shallow ground water beneath agricultural areas of the United States AU - Paul E. Stackelberg AU - Robert J. Gilliom AU - David M. Wolock AU - Kerie J. Hitt PY - 2006 DO - 10.3133/sir20055287 UR - https://pubs.usgs.gov/publication/sir20055287 ID - sir20055287 ER -