Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Portal Forebay - Looking north-west - shows rock-lined upstream face of dam.
- Date
- 9/15/1955
- Call number
- photCL SCE 02 - 43857
Visual Materials
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 - Portal Forebay - Reservoir looking north, shows northeast end of dam.
photCL SCE 02 - 43855
Visual Materials
Portal Powerhouse - Forebay - Upstream face of dam near right abutment, sluice gate intall.
photCL SCE 02 - 43775
Visual Materials
Portal Powerhouse - Forebay - Impervious fill upstream and start of rock fill in sluicepipe area of forebay dam.
photCL SCE 02 - 43322
Visual Materials
Portal Powerhouse - Forebay - Upstream toe of rock fill section of forebay dam showing pervious filter layer in place between rock fill and impervious sections of embankment.
photCL SCE 02 - 43549
Visual Materials
Portal Powerhouse - Portal Forebay - Looking west - shows cutting of channel to vertical shaft.
photCL SCE 02 - 43856