Visual Materials
Portal Powerhouse - Forebay
- Description
- Portal Powerhouse - Forebay - Fill placing operation as seen from east abutment.
- Date
- 8/17/1955
- Call number
- photCL SCE 02 - 43632
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Forebay - Fill placing operation as seen from east abutment.
photCL SCE 02 - 43633

Visual Materials
Portal Powerhouse - Forebay - Progress picture placing fill in dike embankment.
photCL SCE 02 - 43550

Visual Materials
Portal Powerhouse - Forebay - Placing impervious blanket on morane slope upstream from right abutment.
photCL SCE 02 - 43534

Visual Materials
Portal Powerhouse - Forebay - Drilling rock for spillway excavation as seen from dam abutment.
photCL SCE 02 - 43628

Visual Materials
Portal Powerhouse - Forebay - Dam foundation prepared for fill placement near west abutment.
photCL SCE 02 - 43582

Visual Materials
Portal Powerhouse - Forebay - View from right abutment showing site preparation for downstream rock fill portion of the dam.
photCL SCE 02 - 43306