1. Level of dye release

2. Hooper well Dalton well L a n d s l I d e s Malad Gorge Pillow outcrop Park picnic well GFF outcrop landslides L a n d s l I d e s Park office well landslide Snake River Woody’s Cove Bruneau Plateau Gossi well Woody well L a n d s l I d e s landslide

3. Snake River to Malad Gorge Profile Bruneau Plateau 3,379 Tuana Gravel fm. 3,346 Hooper well Park picnic well Dalton well 280 ft. 3,314 Park office well 410 ft. 3,281 3,248 Deer Gulch Basalt 3,215 Malad Gorge Basalt L. Woody well 361 ft. 3,182 B a s a l t Basalt 3,150 B a s a l t Glens Ferry Formation (GFF) Clay & silt Basalt Woody’s cove 3,117 Basalt 3,084 water table sediments 3,051 3,018 2,986 P. Gossi well 505 ft. Landslide 2,953 2,920 sediments sediments Fault or erosional feature? 2,887 GFF 2,854 valley fill Basalt Snake River 2,822 GFF 2,789 2,756 Basalt and regional aquifer 2,723 2,690 B a s a l t 2,657 • Graben? • Basalt? • deep aquifer? Elevation (ft. above M.S.L.) Fault ? Vertical offset ? approx. 50 ft. 2,426