TY - RPRT TI - Effects of topography on the transport of agricultural chemicals to groundwater in a sand-plain setting AU - G. N. Delin AU - M.K. Landon PY - 2002 DO - 10.1007/s10040-002-0208-6 UR - https://pubs.usgs.gov/publication/70024477 ID - 70024477 ER -