Visual Materials
Portal Powerhouse - Forebay
- Description
- Portal Powerhouse - Forebay - Upper portion of intake channel and portal of tunnel.
- Date
- 10/1/1955
- Call number
- photCL SCE 02 - 43756
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Forebay - Lower portion of float well and adjacent portion of communication pipe leading into inlet channel. Photo taken from floor of short section of tunnel in forebay inlet channel.
photCL SCE 02 - 44815

Visual Materials
Portal Powerhouse - Portal Forebay - Excavation in progress in intake channel.
photCL SCE 02 - 43725

Visual Materials
Portal Powerhouse - Forebay - Tunnel portal at end of entrance channel.
photCL SCE 02 - 43806

Visual Materials
Portal Powerhouse - Forebay - Tunnel channel.
photCL SCE 02 - 43811

Visual Materials
Portal Powerhouse - Forebay - Progress of excavation in intake channel to vertical shaft.
photCL SCE 02 - 43703

Visual Materials
Portal Powerhouse - Forebay - Intake channel erosion through blanket & blanket protection since placement in 1955.
photCL SCE 02 - 44787