TY - RPRT TI - Regional nitrate and pesticide trends in ground water in the eastern San Joaquin Valley, California AU - K.R. Burow AU - James L. Shelton AU - N. M. Dubrovsky PY - 2008 DO - 10.2134/jeq2007.0061 UR - https://pubs.usgs.gov/publication/70009717 ID - 70009717 ER -