Visual Materials
Portal Powerhouse - Forebay
- Description
- Portal Powerhouse - Forebay - Progress picture forebay dam. View from right abutment looking toward left abutment.
- Date
- 7/30/1955
- Call number
- photCL SCE 02 - 43333
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal forebay - View taken from left abutment looking toward right abutment, showing major clearing of dam site and stripping on right abutment.
photCL SCE 02 - 43294
Visual Materials
Portal Powerhouse - Forebay - View from station 5+00, looking toward left abutment, showing outcroppings of ledge rock while excavating for upstream cutoff under impervious section.
photCL SCE 02 - 43311
Visual Materials
Portal Powerhouse - Forebay - View from left abutment showing progress in reservoir clearing and borrow pit stripping. Portion of new road location in background to right of center.
photCL SCE 02 - 43305
Visual Materials
Portal Powerhouse - Forebay - Progress picture - excavating in upstream cut-off between sluiceway and left abutment.
photCL SCE 02 - 43316
Visual Materials
Portal Powerhouse - Forebay - View from right abutment showing site preparation for downstream rock fill portion of the dam.
photCL SCE 02 - 43306
Visual Materials
Portal Powerhouse - Portal Forebay - North side of reservoir and blanketed moraine from top of dam near left abutment.
photCL SCE 02 - 43784