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
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
Big Creek - Powerhouse #1 maintenance [Powerhouse 1 & penstocks, Dam 4 sluicing, switch-rack, switchboards in PH1, Unit 1 fire, bucket strain-gauge test, bucket molds, bucket repairs, lapping journals, coil replacements in stator, rebuilding Unit 4, removing rotor for repair, break in penstock at PH1, debris and boulders that washed into the powerhouse after penstock break, and details of ripped penstock.
photCL SCE 13 - vol 043
Image not available
Visual Materials
Substations; Big Creek Powerhouse 1 and Powerhouse 2 construction and penstock construction, Huntington Lodge and Huntington Lake, heavy snowfall, break in Powerhouse 1 penstock joint, Construction of Dam 1, 2, and 4; incline railroad, railroad locomotives, Construction of Big Creek transmission line; Magunden Substation; Kern transmission line poles, line and railroad wash out at Arroyo Seco; Long Beach Steam Plant; Los Angeles Aqueduct and Powerhouse; Pacific Light and Power vehicles; Intake Azusa Plant, Azusa Powerhouse interior; Highgrove forebay and Powerhouse; Stone Castle; Sierra Powerhouse interior, operator's cottages; Pedley Powerhouse; Mentone Powerhouse; Borel Powerhouse.
photCL SCE

Visual Materials
Stone & Webster Engineering Corp. - Big Creek construction [Penstock 2, & Powerhouse 2 construction, East portal Tunnel 4, Adit 5, backfill on flowline, incline RR #2, Adit 3 Tunnel 2, 84" flowline installation, site for PH #2, Penstock #1, & Powerhouse 1 construction, installation of Breeches Joint (penstock 1), Tunnel 1 intake.]
photCL SCE 13 - vol 015

Visual Materials
Borel interior with Pelton-Francis turbines; Excavation for Big Creek Powerhouse #2; Huntington Lake construction for Trestle Dam 1, Dam 2; start of construction at Powerhouse #1 and Dam 4, installation of equipment at PH 1, penstock assembly, completion of Dam 4; construction of Big Creek PH 2; construction of Powerhouse #8, constructing road to PH 3, and Tule Powerhouse.
photCL SCE 13 - vol 059

Visual Materials
Pacific Light & Power Corp. - Big Creek early construction photos [Gravel pit, sluicing PH#2 site, Powerhouse 1 under construction, Powerhouse 2 under construction, Units 1 & 2 at PH1, PH2 Switchboard, Generator Room, Hoist #2, oil switch room, 6600 V switch room, local service switchboard, generator assembly, Tunnel 2 - adit 1, 2, 3, 4, 5, 6, 7, & 8; Intake to Tunnel 1, 9' flow pipe, west portal Tunnel 1, concreting surge tank at West Portal Tunnel 2.]
photCL SCE 13 - vol 011