Visual Materials
Portal Powerhouse - Forebay
- Description
- Portal Powerhouse - Forebay - Drilling rock for spillway excavation as seen from dam abutment.
- Date
- 8/17/1955
- Call number
- photCL SCE 02 - 43628
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Forebay - Drilling & placing powder for spillway excavation.
photCL SCE 02 - 43616
Visual Materials
Portal Powerhouse - Forebay - Evidence of bed rock exposed by excavation between Stations 2+00 & 3+00, near the left abutment and along dam axis.
photCL SCE 02 - 43326
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 - Forebay - Fill placing operation as seen from east abutment.
photCL SCE 02 - 43632
Visual Materials
Portal Powerhouse - Forebay - Fill placing operation as seen from east abutment.
photCL SCE 02 - 43633
Visual Materials
Portal Powerhouse - Forebay - Cleaning and trimming rock foundation for spillway crest concrete.
photCL SCE 02 - 43759