Preferential and diffuse high-volume flow through an interbedded fractured-rock unsaturated zone

Kimberlie S Perkins1, John R Nimmo1, Kaitlyn M Creasey1 and Benjamin B Mirus2, (1)USGS,, Menlo Park, CA, United States, (2)USGS, Landslide Hazards Program, Golden, CO, United States