Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Preparing to start concreting back wall of powerhouse structure.
- Date
- 10/10/1955
- Call number
- photCL SCE 02 - 43770
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek, Huntington Lake Dams - Portal Powerhouse - Progress of powerhouse structure. Forming for back wall and penstock bend anchor at powerhouse.
photCL SCE 02 - 43752
Visual Materials
Portal Powerhouse - Concreting pipe supports in Ward Tunnel. Skip-loader delivering concrete to buggies on runway.
photCL SCE 02 - 43692
Visual Materials
Portal Powerhouse - Concreting pipe supports in Ward Tunnel. View of supports from upper end.
photCL SCE 02 - 43695
Visual Materials
Portal Powerhouse - Placing concrete top left of center of powerhouse wall.
photCL SCE 02 - 43727
Visual Materials
Portal Powerhouse - North slope of excavation of tailrace in front of powerhouse structure.
photCL SCE 02 - 43758
Visual Materials
Portal Powerhouse - Powerhouse before start of tunnel diversion from Florence Lake after outage of Oct. 18.
photCL SCE 02 - 43802