Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Forebay - Looking north-east along axis of dam from station 1+43.
- Date
- 6/24/1955
- Call number
- photCL SCE 02 - 43270
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Portal Forebay - Dam looking north-east shows compacting and lining upstream face with rock.
photCL SCE 02 - 43858

Visual Materials
Portal Powerhouse - Forebay - Evidence of bed rock exposed by excavation between Stations 2+00 & 3+00, near the left abutment and along dam axis.
photCL SCE 02 - 43326

Visual Materials
Portal Powerhouse - Portal Forebay - Reservoir looking north, shows northeast end of dam.
photCL SCE 02 - 43855

Visual Materials
Portal Powerhouse - Portal Forebay - Looking north-west - shows rock-lined upstream face of dam.
photCL SCE 02 - 43857

Visual Materials
Portal Powerhouse - Forebay - Looking northeast along 2nd. tangent - Portal Forebay dam [prior to any construction]
photCL SCE 02 - 43269

Visual Materials
Big Creek Powerhouse #4 - Progress pictures (from Group 1) - Dam 7 looking north along axis. Inlet tunnel portal at lower left.
photCL SCE 02 - 40629