Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Progress: Forebay earth and refill dam from west end.
- Date
- 9/10/1955
- Call number
- photCL SCE 02 - 43712
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Progress: Forebay earth and refill dam from west end.
photCL SCE 02 - 43713
Visual Materials
Portal Powerhouse - Forebay - Progress picture of forebay earth and rock fill dam.
photCL SCE 02 - 43700
Visual Materials
Portal Powerhouse - Portal Forebay - South-west end of dam - shows compacting with sheep's foot roller.
photCL SCE 02 - 43859
Visual Materials
Portal Powerhouse - Portal Forebay - Left end of dam from downstream side, showing spillway and pilot channel.
photCL SCE 02 - 43787
Visual Materials
Portal Powerhouse - Forebay - Progress picture forebay dam. View from right abutment looking toward left abutment.
photCL SCE 02 - 43333
Visual Materials
Portal Powerhouse - Portal Forebay - Reservoir looking north, shows northeast end of dam.
photCL SCE 02 - 43855