Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Southern Sierras Power's El Centro Substation was the terminus of a transmission line from the Bishop Creek Hydro Plants. It started life as Holton Power Company's gas-electric power plant. Pg. 120.
photCL SCE 11 - 00246

Visual Materials
Holton Power Co. - Holtville Powerhouses #1 & #3 (lower), viewed from the discharge channel.
photCL SCE 07 - 02275