TY - RPRT TI - Storage and transit time of chemicals in thick unsaturated zones under rangeland and irrigated cropland, High Plains, United States AU - P.B. McMahon AU - K.F. Dennehy AU - B. W. Bruce AU - J.K. Böhlke AU - R. L. Michel AU - J.J. Gurdak AU - D.B. Hurlbut PY - 2006 DO - 10.1029/2005wr004417 UR - https://pubs.usgs.gov/publication/70030698 ID - 70030698 ER -