Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Image not available
Visual Materials
Construction of Big Creek Powerhouse 1 and 2: Powerhouse 1 in operation, interior and exterior views; 150kV bus, transformers, Units 1 and 2; Dam 4 and reservoir; Powerhouse 2 construction, penstocks, standpipes. Photographer: Stone & Webster Engineering Corporation.
photCL SCE

Visual Materials
Stone & Webster Engineering Corp. - Big Creek PH 1 construction [Excavation for Powerhouse 1 site and penstock path, PH1 in framing stages, snow at PH1, pouring concrete for PH1, concreting Dam #1, snow plow on railroad, transformer tanks, clearing for transmission line, PH1: switchboards, transformers, oil switches, pressing Unit 1 rotor, generation room, bus room, Unit 1 shaft on bearings, pressing runner on shaft, tanking transformer cores, sub-floor wire conduit layout, 150kV Bus Room.]
photCL SCE 13 - vol 016

Visual Materials
Construction Big Creek Powerhouse 1 and 2 [Huntington Lake sawmill & logging; Camps 1a, 2, 6, & 7; Dams 1, 3, & 4; incline railways; penstocks; flow pipes; PH 1 & PH 2 (interiors & exteriors); Tunnel 1; incline railways.]
photCL SCE 13 - vol 005

Visual Materials
Big Creek - Powerhouse #2 & 2a (part 2) [Powerhouse 2 & 2A - auto transformers, substation, new 6.6kV line, new bridge for powerhouse extension, Unit #4 with direct connected exciter, constructing new Unit #4, 150kV - 220kV Bushings, switchboard, installation of new Unit #4 penstock, concrete plant, incline batch cars, stand pipes, Unit #3 foundation, Unit #3 penstock install, valve house modification, rock crushing plant, Johnson Valve, assembly of new Unit #3, auto circuit breakers, 150kV Oil Switch, new hoist, auto-transformers, and 11kV equipment, new Bus Bar installation, Governor #4; Camp #7 - telephone exchange, cottage, machine shop, warehouse, mess hall construction, sawmill; Camp #5 - forebay construction, batch plant, steam shovel excavating.]
photCL SCE 13 - vol 030

Visual Materials
Construction Big Creek Powerhouse 1 and 2 [PH 1 & PH 2 (interiors & exteriors); Camp 7 Meat House; Tunnels 3 & 4 east portal; flowline; Dams 1, 2, 3, & 4; PH 1 & PH 2 switchboards; oil switches; high tension bushings; stand pipes & surge chamber.]
photCL SCE 13 - vol 006

Visual Materials
Big Creek - Powerhouse #3 (part 2) [Generator floor with Units 1, 2, & 3 installed, excavation of Powerhouse 3 site with steam shovel and high pressure water gun, Switchyard construction, turbine parts, battery room, construction of penstocks, turbine assembly. Powerhouse #1 - penstock construction for Unit 3.]
photCL SCE 13 - vol 033