Visual Materials
Portal Powerhouse - Forebay
- Description
- Portal Powerhouse - Forebay - Drilling & placing powder for spillway excavation.
- Date
- 8/10/1955
- Call number
- photCL SCE 02 - 43616
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 rock for spillway excavation as seen from dam abutment.
photCL SCE 02 - 43628
Visual Materials
Portal Powerhouse - Portal Forebay - Spillway from downstream of crest.
photCL SCE 02 - 43792
Visual Materials
Portal Powerhouse - Portal Forebay - Pilot discharge channel from spillway.
photCL SCE 02 - 43793
Visual Materials
Portal Powerhouse - Forebay - Showing forms for concrete spillway crest.
photCL SCE 02 - 43765
Visual Materials
Portal Powerhouse - Forebay - Cleaning and trimming rock foundation for spillway crest concrete.
photCL SCE 02 - 43759
Visual Materials
Portal Powerhouse - Forebay - Spillway and dam from south end of spillway.
photCL SCE 02 - 43817