TY - RPRT TI - Simulation assessment of the direct‐push permeameter for characterizing vertical variations in hydraulic conductivity AU - Gaisheng Liu AU - Geoffrey C. Bohling AU - James J. Butler PY - 2008 DO - 10.1029/2007wr006078 UR - https://pubs.usgs.gov/publication/70033650 ID - 70033650 ER -