Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - First concrete in powerhouse being placed in pump sump.
photCL SCE 02 - 43551
Visual Materials
Portal Powerhouse - Placing reinforcing steel for concrete disc, steel plate bulkhead.
photCL SCE 02 - 43901
Visual Materials
Portal Powerhouse - Forms for Generator Foundation. Concrete work to start July 3, 1956.
photCL SCE 02 - 44606
Visual Materials
Portal Powerhouse - Charging Skip-loader with concrete thru hole in top of 12' pipe, outside tunnel portal.
photCL SCE 02 - 43693
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
