TY - RPRT TI - Comparison of alternative representations of hydraulic-conductivity anisotropy in folded fractured-sedimentary rock: Modeling groundwater flow in the Shenandoah Valley (USA) AU - R. M. Yager AU - C.I. Voss AU - S. Southworth PY - 2009 DO - 10.1007/s10040-008-0431-x UR - https://pubs.usgs.gov/publication/70036859 ID - 70036859 ER -