Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Powerhouse excavation.
- Date
- 8/11/1955
- Call number
- photCL SCE 02 - 43657
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Further excavation for Portal Powerhouse.
photCL SCE 02 - 43610
Visual Materials
Portal Powerhouse - Portal Forebay - Excavation in progress in intake channel.
photCL SCE 02 - 43725
Visual Materials
Portal Powerhouse - Tailrace excavation near powerhouse.
photCL SCE 02 - 43639
Visual Materials
Portal Powerhouse - Showing excavation for powerhouse building.
photCL SCE 02 - 43539
Visual Materials
Portal Powerhouse - Excavation in progress at powerhouse site.
photCL SCE 02 - 43331
Visual Materials
Portal Powerhouse - Foundation excavation in firm decomposed granite draft tube side of powerhouse. Excavation approx. 1' above final grade.
photCL SCE 02 - 43546