Visual Materials
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Forebay - Placing impervious blanket on morane slope upstream from right abutment.
photCL SCE 02 - 43534

Visual Materials
Portal Powerhouse - Forebay - Placing first fill in impervious section under location of sluice pipe. Note dozer pushing layer of saturated & disturbed surface material, exposing firm foundation, before fill placement.
photCL SCE 02 - 43315

Visual Materials
Portal Powerhouse - Forebay - Damsite view, borrow area 2 in foreground.
photCL SCE 02 - 43604

Visual Materials
Portal Powerhouse - Forebay - View from station 5+00, looking toward left abutment, showing outcroppings of ledge rock while excavating for upstream cutoff under impervious section.
photCL SCE 02 - 43311

Visual Materials
Portal Powerhouse - Forebay - View of portion of reservoir stripped for borrow and left section of damsite, from new Forest Service road.
photCL SCE 02 - 43314

Visual Materials
Portal Powerhouse - Forebay - Impervious fill upstream and start of rock fill in sluicepipe area of forebay dam.
photCL SCE 02 - 43322