TY - RPRT TI - Climate variability controls on unsaturated water and chemical movement, High Plains aquifer, USA AU - J.J. Gurdak AU - R. T. Hanson AU - P.B. McMahon AU - B. W. Bruce AU - J.E. McCray AU - G.D. Thyne AU - R.C. Reedy PY - 2007 DO - 10.2136/vzj2006.0087 UR - https://pubs.usgs.gov/publication/70031051 ID - 70031051 ER -