TY - RPRT TI - Near-decadal changes in nitrate and pesticide concentrations in the South Platte River alluvial aquifer, 1993-2004 AU - S.S. Paschke AU - K.R. Schaffrath AU - S.L. Mashbum PY - 2008 DO - 10.2134/jeq2007.0656 UR - https://pubs.usgs.gov/publication/70010032 ID - 70010032 ER -