Visual Materials
Portal Powerhouse - Forebay
- Description
- Portal Powerhouse - Forebay - Progress of excavation in intake channel to vertical shaft.
- Date
- 9/14/1955
- Call number
- photCL SCE 02 - 43703
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Forebay - View of intake channel taken from vertical shaft. Absence of hard rock in area of excavation is here shown.
photCL SCE 02 - 43631

Visual Materials
Portal Powerhouse - Forebay - View at site of proposed intake channel looking toward Camp 61 vertical shaft.
photCL SCE 02 - 43620

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

Visual Materials
Portal Powerhouse - Forebay - Inlet channel from top of vertical shaft.
photCL SCE 02 - 43768

Visual Materials
Portal Powerhouse - Portal Forebay - Looking west - shows cutting of channel to vertical shaft.
photCL SCE 02 - 43856

Visual Materials
Portal Powerhouse - Forebay - Inlet channel from vertical shaft shows blanket in place.
photCL SCE 02 - 43767