TY - RPRT TI - An alternative process model of preferential contaminant travel times in the unsaturated zone: Application to Rainier Mesa and Shoshone Mountain, Nevada AU - Brian A. Ebel AU - John R. Nimmo PY - 2012 DO - 10.1007/s10666-012-9349-8 UR - https://pubs.usgs.gov/publication/70208416 ID - 70208416 ER -