Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Portal Forebay - South-west end of dam - shows compacting with sheep's foot roller.
- Date
- 9/15/1955
- Call number
- photCL SCE 02 - 43859
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 - Compacting downstream dam foundation near west abutment.
photCL SCE 02 - 43580

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 - Progress: Forebay earth and refill dam from west end.
photCL SCE 02 - 43712

Visual Materials
Portal Powerhouse - Progress: Forebay earth and refill dam from west end.
photCL SCE 02 - 43713