Visual Materials
Portal Powerhouse - Forebay
- Description
- Portal Powerhouse - Forebay - Intake channel erosion through blanket & blanket protection since placement in 1955.
- Date
- Aug. 1956
- Call number
- photCL SCE 02 - 44787
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Intake Channel erosion thru blanket and blanket protection since placement in 1955.
photCL SCE 02 - 44790
Visual Materials
Portal Powerhouse - Intake Channel erosion thru blanket and blanket protection since placement in 1955. [stream measurement station & weir]
photCL SCE 02 - 44789
Visual Materials
Portal Powerhouse - Portal Forebay - Excavation in progress in intake channel.
photCL SCE 02 - 43725
Visual Materials
Portal Powerhouse - Forebay - Inlet channel from vertical shaft shows blanket in place.
photCL SCE 02 - 43767
Visual Materials
Portal Powerhouse - Forebay - Upper portion of intake channel and portal of tunnel.
photCL SCE 02 - 43756
Visual Materials
Portal Powerhouse - Forebay - Progress of excavation in intake channel to vertical shaft.
photCL SCE 02 - 43703