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 - 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
Visual Materials
Portal Powerhouse - Forms for Generator Foundation. Concrete work to start July 3, 1956.
photCL SCE 02 - 44606
