Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
San Gorgonio Hydroelectric - After storm - Cottage at San Gorgoio Plant #2 almost undermined by March flood waters. Residence of P. F. Helton.
photCL SCE 07 - 00096
Visual Materials
San Gorgonio Hydroelectric - After storm - San Gorgoio Plant #2 & 33kV transformers bank outside plant.
photCL SCE 07 - 00095
Visual Materials
San Gorgonio Hydroelectric - After storm - Building wall under 33kV transformers at San Gorgoio Plant #2.
photCL SCE 07 - 00093
Visual Materials
San Gorgonio Hydroelectric - After storm - Wall under 33kV transformers at San Gorgoio Plant #2 completed. Due to no Federal money available this year for floo[d] control, please note addition of cement apron to prevent water from undermining wall in case of flood water jumping our temporary dam next winter.
photCL SCE 07 - 00094
Visual Materials
San Gorgonio Hydroelectric - After storm - Grouting under 33kV transformers at San Gorgoio Plant #2. Note 2x4 for tamping cement back well under old floor.
photCL SCE 07 - 00092
Visual Materials
San Gorgonio Hydroelectric - Cottage of Powell F. Helton after storm of March 1938.
photCL SCE 07 - 00098
