TY - RPRT TI - Susceptibility to enhanced chemical migration from depression-focused preferential flow, High Plains aquifer AU - Jason J. Gurdak AU - Michelle Ann Walvoord AU - Peter B. McMahon PY - 2008 DO - 10.2136/vzj2007.0145 UR - https://pubs.usgs.gov/publication/70033513 ID - 70033513 ER -