Visual Materials
Portal Powerhouse - Forebay
- Description
- Portal Powerhouse - Forebay - Showing forms for concrete spillway crest.
- Date
- 10/6/1955
- Call number
- photCL SCE 02 - 43765
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Forebay - Cleaning and trimming rock foundation for spillway crest concrete.
photCL SCE 02 - 43759

Visual Materials
Portal Powerhouse - Portal Forebay - Spillway from downstream of crest.
photCL SCE 02 - 43792

Visual Materials
Portal Powerhouse - Forebay - Spillway channel from vicinity of crest.
photCL SCE 02 - 43818

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 - Portal Forebay - Pilot discharge channel from spillway.
photCL SCE 02 - 43793

Visual Materials
Portal Powerhouse - Forebay - Drilling & placing powder for spillway excavation.
photCL SCE 02 - 43616