Category:Santa Ana River Hydroelectric System

Media in category "Santa Ana River Hydroelectric System"

The following 200 files are in this category, out of 305 total.

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  GARAGE AND RETAINING WALLS NEAR SAR-3. NOTE SEVEN OAKS DAM ROAD CONSTRUCTION SCAR ON MOUNTAINSIDE IN DISTANCE. VIEW TO NORTHWEST. - Santa Ana River Hydroelectric System, HAER CAL,36-REDLD.V,1-26.tif 5,000 × 3,998; 19.07 MB
  
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  GATE AT ENTRY PORTAL TO TUNNEL -3. VIEW TO SOUTH-SOUTHWEST. - Santa Ana River Hydroelectric System, Sandbox at Breakneck Creek, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1F-4.tif 4,045 × 5,000; 19.29 MB
  
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  GATE AT EXIT PORTAL TO TUNNEL -2. VIEW TO NORTHEAST. - Santa Ana River Hydroelectric System, Sandbox at Breakneck Creek, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1F-5.tif 4,020 × 5,000; 19.17 MB
  
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  GATE CONTROL WHEEL AND CABLE CAR ANCHOR BOLT. VIEW TO NORTHWEST. - Santa Ana River Hydroelectric System, Santa Ana River Diversion Dam, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1A-5.tif 5,000 × 4,005; 19.1 MB
  
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  GATE CONTROLLER DETAIL. VIEW TO EAST. - Santa Ana River Hydroelectric System, Sandbox at Breakneck Creek, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1F-3.tif 4,032 × 5,000; 19.23 MB
  
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  GATE VALVE (24 INCH) BETWEEN SMALL FOREBAYS AT HEAD OF PIPE LINES, SOUTHERN CALIFORNIA POWER CO., SEPT. 2, 1898. LOCATION- SANTA ANA NO. 1. SCE drawing no. 4269. - Santa Ana HAER CAL,36-REDLD.V,1I-5.tif 4,014 × 5,000; 19.14 MB
  
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  GENERAL MAP OF SANTA ANA NO. 3 PROJECT (MAP OF ALL THREE POWER HOUSE SYSTEMS), EXHIBIT J, JAN. 25, 1956. SCE drawing no. 535041 (sheet no. 1; for filing with Federal Power HAER CAL,36-REDLD.V,1-46.tif 5,000 × 4,012; 19.13 MB
  
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  GENERAL PLOT PLAN, S.A.R. NO. 3, APR. 27, 1922. SCE drawing no. 42993. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-55.tif 5,000 × 4,104; 19.57 MB
  
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  GENERATOR -1 NEEDLE VALVE CONTROL WHEEL, WATERWHEEL GOVERNOR, PENSTOCK PRESSURE GAUGE, AND GOVERNOR OIL SET. VIEW TO EAST. - Santa Ana River Hydroelectric System, SAR-2 HAER CAL,36-REDLD.V,1Q-20.tif 5,000 × 4,043; 19.28 MB
  
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  GENERATOR -2, NORTH EXIT WITH FANLIGHT, AND WATERWHEEL. VIEW TO NORTH. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1Q-19.tif 4,035 × 5,000; 19.24 MB
  
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  GENERATOR -2. VIEW TO NORTH. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-25.tif 5,000 × 3,995; 19.05 MB
  
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  GENERATOR AND TURBINE WATERWHEEL. PANORAMIC VIEW 2-2, LOOKING EAST. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National Forest, Redlands, San HAER CAL,36-REDLD.V,1W-7.tif 4,031 × 5,000; 19.22 MB
  
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  GENERATOR, AND CRANE IN NORTHWEST CORNER OF POWERHOUSE. VIEW TO SOUTHWEST. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National Forest, Redlands, HAER CAL,36-REDLD.V,1W-9.tif 4,105 × 5,000; 19.58 MB
  
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  GENERATORS AND SWITCHBOARD. SCE negative no. 10320, November 1, 1923. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San HAER CAL,36-REDLD.V,1J-40.tif 5,000 × 4,064; 19.38 MB
  
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  GOVERNOR, PELTON REACTION TURBINE, AND EXCITER. VIEW TO NORTH. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National Forest, Redlands, San HAER CAL,36-REDLD.V,1W-10.tif 5,000 × 4,063; 19.38 MB
  
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  GRAVE SITE BETWEEN SAR-2 AND SAR-3, ALSO SHOWING METAL TRANSMISSION TOWER. VIEW TO NORTH-NORTHWEST. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-18.tif 4,020 × 5,000; 19.17 MB
  
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  ALDER CREEK DIVERSION, PROJECT 1933, EXHIBIT F, SANTA ANA POWERHOUSE NO. 2 SCE drawing no. 5206858, no date (FERC no. 1933-48). - Santa Ana River Hydroelectric System, HAER CAL,36-REDLD.V,1-54.tif 5,000 × 3,993; 19.04 MB
  
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  ANOTHER VIEW OF SCRAPER. VIEW TO SOUTHWEST. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-9.tif 5,000 × 4,031; 19.22 MB
  
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  B. F. PEARSON, GENERAL SUPERINTENDANT, AT SAR-1. SCE negative no. 1038, June 6, 1912. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, Redlands, San HAER CAL,36-REDLD.V,1-39.tif 5,000 × 4,002; 19.09 MB
  
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  BEAR CREEK AND SANTA ANA RIVER DIVERSION DAMS AND CONCRETE CONDUIT NO. 1, PROJECT 1933, EXHIBIT F, SANTA ANA POWERHOUSE NO. 1. SCE drawing no. 5206851, no date (FERC no. 1933 HAER CAL,36-REDLD.V,1-49.tif 5,000 × 4,004; 19.1 MB
  
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  CADWALLADER GRAVE, BETWEEN SAR-2 AND SAR-3. VIEW TO EAST. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-19.tif 4,051 × 5,000; 19.32 MB
  
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  CINDER BLOCK SHED AT COTTAGE SITES JUST NORTH OF FISH SCREEN, SAR-1 INTAKE. VIEW TO NORTHWEST. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-2.tif 5,000 × 4,029; 19.21 MB
  
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  COVERED SAR-3 INTAKE CHANNEL AND GAUGING STATION, LOOKING NORTH TO SAR-2. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-16.tif 4,042 × 5,000; 19.28 MB
  
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  FOREBAY OVERFLOW PIPE, SAR-2. VIEW TO SOUTHWEST. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-15.tif 5,000 × 4,013; 19.14 MB
  
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  FORMER SANDBOX ABOVE SAR-1. NOTE SNOW AND LOG CABIN. EEC print no. S-C-01-00530, no date. Photographer unknown. - Santa Ana River Hydroelectric System, Redlands, San HAER CAL,36-REDLD.V,1-32.tif 5,000 × 4,042; 19.28 MB
  
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  FORMER SANDBOX ON SAR-1 FLOWLINE. EEC print no. S-C-01-00559 (print is marked '81' outside vignette frame), no date. Photographer unknown. - Santa Ana River Hydroelectric HAER CAL,36-REDLD.V,1-34.tif 5,000 × 4,007; 19.11 MB
  
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  FOUNDATIONS, RETAINING WALLS, AND LANDSCAPING AT FORMER RESIDENTIAL AREA NEAR SAR-2. VIEW TO NORTHWEST. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County HAER CAL,36-REDLD.V,1-13.tif 5,000 × 4,016; 19.15 MB
  
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  FRONT, SANTA ANA RIVER DIVERSION DAM. VIEW TO EAST. - Santa Ana River Hydroelectric System, Santa Ana River Diversion Dam, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1A-1.tif 5,000 × 4,005; 19.1 MB
  
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  CONFLUENCE POOL, DETAIL OF TUNNEL PORTAL WITH WATER ENTERING FROM SANTA ANA RIVER. VIEW TO NORTHEAST. - Santa Ana River Hydroelectric System, Bear Creek Diversion Dam and HAER CAL,36-REDLD.V,1B-2.tif 5,000 × 4,003; 19.09 MB
  
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  FRONT OF DAM, LOOKING NORTH-NORTHEAST. - Santa Ana River Hydroelectric System, Bear Creek Diversion Dam and Confluence Pool, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1B-4.tif 5,000 × 3,999; 19.07 MB
  
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  CABLE CAR TERMINAL PLATFORM IMMEDIATELY UPSTREAM FROM REVOLVING FISH SCREEN, LOOKING SOUTH. - Santa Ana River Hydroelectric System, Pipeline to Fish Screen, Redlands, San HAER CAL,36-REDLD.V,1C-3.tif 5,000 × 4,122; 19.66 MB
  
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  FIRST SECTION OF PIPELINE BETWEEN CONFLUENCE POOL AND FISH SCREEN. NOTE RETAINING WALL BESIDE PIPE. VIEW TO NORTH-NORTHEAST. - Santa Ana River Hydroelectric System, Pipeline HAER CAL,36-REDLD.V,1C-1.tif 5,000 × 4,022; 19.18 MB
  
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  DETAIL, REVOLVING FISH SCREEN. CABLE CAR TERMINAL PLATFORM AT REAR. VIEW TO NORTHEAST. - Santa Ana River Hydroelectric System, Revolving Fish Screen, Redlands, San Bernardino HAER CAL,36-REDLD.V,1D-1.tif 4,040 × 5,000; 19.27 MB
  
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  FISH SCREEN AT HEADWORKS. SCE negative no. 2868, October 29, 1914. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, Revolving Fish Screen, Redlands, San HAER CAL,36-REDLD.V,1D-2.tif 5,000 × 4,001; 19.08 MB
  
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  CHANNEL LEADING TO PORTAL OF TUNNEL -1. VIEW TO SOUTH. - Santa Ana River Hydroelectric System, Flume and Tunnel below Fish Screen, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1E-2.tif 4,038 × 5,000; 19.26 MB
  
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  DETAIL, ENTRY PORTAL OF TUNNEL -1. VIEW TO SOUTH. - Santa Ana River Hydroelectric System, Flume and Tunnel below Fish Screen, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1E-3.tif 5,000 × 4,008; 19.11 MB
  
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  DAM AT SETTLING BASIN, SANTA ANA RIVER NO. 1, SEPT. 9, 1912. SCE drawing no. 5787. - Santa Ana River Hydroelectric System, Sandbox at Breakneck Creek, Redlands, San Bernardino HAER CAL,36-REDLD.V,1F-7.tif 5,000 × 4,023; 19.19 MB
  
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  DETAIL OF ENTRY TUNNEL PORTAL, FOURTH FLUME ABOVE SAR-1 FOREBAY. VIEW TO WEST. - Santa Ana River Hydroelectric System, Flumes and Tunnels below Sandbox, Redlands, San HAER CAL,36-REDLD.V,1G-3.tif 5,000 × 3,983; 19 MB
  
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  DETAILS OF STEEL FLUME, TYPICAL BENTS AND TRUSSES. EXHIBIT L, SANTA ANA RIVER NO. 1 PROJECT, APR. 30, 1945. SCE drawing no. 523196 (sheet no. 6; for filing with Federal Power HAER CAL,36-REDLD.V,1G-10.tif 5,000 × 3,985; 19 MB
  
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  DETAILS OF STEEL FLUME, TYPICAL CURVES AND TRANSITIONS. EXHIBIT L, SANTA ANA RIVER NO. 1 PROJECT, APR. 30, 1945. SCE drawing no. 523195 (sheet no. 5; for filing with Federal HAER CAL,36-REDLD.V,1G-9.tif 5,000 × 4,032; 19.23 MB
  
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  EXIT TUNNEL PORTAL AND SECOND FLUME ABOVE SAR-1 FOREBAY. VIEW TO NORTHWEST. - Santa Ana River Hydroelectric System, Flumes and Tunnels below Sandbox, Redlands, San Bernardino HAER CAL,36-REDLD.V,1G-5.tif 4,019 × 5,000; 19.17 MB
  
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  FOUNDATIONS OF FLUME NO. 8, EXPOSED. SCE negative no. 3077, January 26, 1916. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, Flumes and Tunnels below HAER CAL,36-REDLD.V,1G-7.tif 5,000 × 4,018; 19.16 MB
  
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  DOMESTIC WATER SUPPLY TREATMENT HOUSE, ON PENSTOCK ABOVE SAR-1. VIEW TO NORTWEST. - Santa Ana River Hydroelectric System, SAR-1 Domestic Water Supply Treatment House, Redlands HAER CAL,36-REDLD.V,1H-1.tif 5,000 × 3,978; 18.97 MB
  
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  FOUNDATIONS OF CONTROL HOUSE AT SAR-1 FOREBAY. - Santa Ana River Hydroelectric System, SAR-1 Forebay and Penstock, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1I-3.tif 5,000 × 4,010; 19.12 MB
  
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  750 VOLT GENERATOR DISCONNECT PANEL. VIEW TO SOUTHWEST. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-20.tif 4,010 × 5,000; 19.12 MB
  
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  82 INCH PELTON NOZZLE ON G. E. GEN. BASE, SANTA ANA RIVER NO. 1, JUNE 19, 1909. SCE drawing no. 5309. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San HAER CAL,36-REDLD.V,1J-59.tif 5,000 × 3,973; 18.95 MB
  
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  ACTIVE 2.4 KV CONTROL PANEL. VIEW TO NORTH. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-18.tif 5,000 × 3,991; 19.03 MB
  
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  BELT-DRIVEN LATHE AND WORK BENCH, SHOWING TOOL STORAGE BOARD BEHIND. EEC print no. N-C-01-00043, no date. Photograph by Benjamin F. Pearson. - Santa Ana River Hydroelectric HAER CAL,36-REDLD.V,1J-50.tif 5,000 × 4,020; 19.17 MB
  
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  CONTROL LEVER, GENERATOR -3 LOMBARD GOVERNOR. VIEW TO WEST. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-28.tif 5,000 × 4,062; 19.37 MB
  
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  CRANE AND INTERIOR SOUTHEAST WALL. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-16.tif 5,000 × 4,009; 19.12 MB
  
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  CRANE AND OVERALL INTERIOR, LOOKING NORTHWEST. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-13.tif 5,000 × 4,005; 19.1 MB
  
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  CROSS SECTION OF POWER HOUSE, EXHIBIT L, SANTA ANA RIVER NO. 1 PROJECT, APR. 30, 1945. SCE drawing no. 523199 (sheet no. 9, for filing with Federal Power Commission). - Santa HAER CAL,36-REDLD.V,1J-55.tif 5,000 × 4,014; 19.14 MB
  
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  CROSS SECTION OF POWERHOUSE, PROJECT 1933, EXHIBIT F, SANTA ANA POWERHOUSE NO. 1. SCE drawing no. 5206856 (no date; FERC no. 1933-46). - Santa Ana River Hydroelectric System, HAER CAL,36-REDLD.V,1J-56.tif 5,000 × 3,990; 19.03 MB
  
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  DETAIL GENERATOR -3 WATERWHEEL YOKE. VIEW TO NORTHEAST. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-26.tif 4,094 × 5,000; 19.52 MB
  
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  DOBLE BUCKETS ON PELTON WHEEL. EEC print no. G-C-01-00148, no date. Photograph by Benjamin F. Pearson. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San HAER CAL,36-REDLD.V,1J-49.tif 5,000 × 4,037; 19.25 MB
  
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  EARLY VIEW OF SWITCHBOARD SHOWING BLANK PANELS AT NORTHWEST END. SCE negative no. 1199, June 6, 1912. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, HAER CAL,36-REDLD.V,1J-41.tif 5,000 × 4,049; 19.31 MB
  
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  ELECTRICAL EQUIPMENT PLOT PLAN, SANTA ANA NO. 1 HYDRO PLANT, OCTOBER 10, 1958. SCE drawing no. 428615-0. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, HAER CAL,36-REDLD.V,1J-57.tif 5,000 × 4,001; 19.08 MB
  
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  EXCITERS. SCE negative no. 10325, November 1, 1923. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, HAER CAL,36-REDLD.V,1J-44.tif 5,000 × 4,057; 19.35 MB
  
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  FRONT, WITH HAYLOFT AND GROUND FLOOR BAYS OPEN. VIEW TO NORTHWEST. - Santa Ana River Hydroelectric System, SAR-1 Stable, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1K-5.tif 4,035 × 5,000; 19.24 MB
  
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  BELT-DRIVEN LATHE. VIEW TO SOUTHWEST. - Santa Ana River Hydroelectric System, SAR-1 Machine Shop, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1L-3.tif 5,000 × 4,022; 19.18 MB
  
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  ELECTRICAL TEST WORK BENCH. VIEW TO EAST. - Santa Ana River Hydroelectric System, SAR-1 Machine Shop, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1L-5.tif 4,006 × 5,000; 19.1 MB
  
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  FORGE, ANVIL, PEDESTAL GRINDER, AND BELT DRIVES. NOTE WATERWHEEL NEEDLE VALVE CASTING HANGING ON THE WALL ABOVE THE FORGE. VIEW TO NORTH. - Santa Ana River Hydroelectric HAER CAL,36-REDLD.V,1L-4.tif 4,009 × 5,000; 19.12 MB
  
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  CONTROL GATE AT SAR-2 INTAKE, JUST BEYOND SAR-1 TALLRACE CHANNEL. VIEW TO SOUTHEAST. - Santa Ana River Hydroelectric System, SAR-2 Intake, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1O-1.tif 5,000 × 3,978; 18.97 MB
  
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  FOREBAY AND PENSTOCK, EXHIBIT L, SANTA ANA RIVER NO. 2 PROJECT, APR. 30, 1945. SCE drawing no. 523642 (sheet no. 13; for filing with the Federal Power Commission). - Santa Ana HAER CAL,36-REDLD.V,1P-4.tif 5,000 × 3,967; 18.92 MB
  
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  800 H.P. WATER WHEEL UNIT (LEFT HAND) DIRECT CONNECTED TO A 500 K.W. G.E. CO. GENERATOR, SPEED 176 R.P.M., HEAD OF WATER 305 FT EFF., FOR SANTA ANA RIVER NO. 2 PLANT. ABNER HAER CAL,36-REDLD.V,1Q-45.tif 5,000 × 4,013; 19.14 MB
  
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  AUTOMATIC WATER CONTROL MOTOR DRIVE FOR NEEDLES CONSTRUCTION DETAILS, SANTA ANA RIVER NO. 2, JAN. 24, 1977. SCE drawing no. 455667-0. - Santa Ana River Hydroelectric System, HAER CAL,36-REDLD.V,1Q-48.tif 5,000 × 4,001; 19.08 MB
  
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  BATTERY BANK AND RHEOSTATS BEHIND DISCONNECT CONTROL PANEL. VIEW TO SOUTHWEST. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1Q-12.tif 5,000 × 4,003; 19.09 MB
  
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  DETAIL OF WATERWHEEL GOVERNOR, LOOKING NORTH. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1Q-22.tif 4,017 × 5,000; 19.16 MB
  
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  EAST ELEVATION. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1Q-6.tif 5,000 × 4,035; 19.24 MB
  
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  EXCITERS, AND SYNCHROSCOPE GAUGE ON WALL. ACTIVE ELECTRIC EXCITER AT REAR; UNUSED WATER-DRIVEN EXCITER IN FOREGROUND. VIEW TO SOUTH-SOUTHWEST. - Santa Ana River Hydroelectric HAER CAL,36-REDLD.V,1Q-16.tif 5,000 × 3,987; 19.01 MB
  
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  EXTERNAL ELEVATIONS, POWER HOUSE SANTA ANA RIVER NO. 2, EDISON ELECTRIC CO., NOV. 3, 1904. SCE drawing no. 5392. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, HAER CAL,36-REDLD.V,1Q-41.tif 5,000 × 4,004; 19.1 MB
  
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  FLOOR PLAN OF POWER HOUSE, EXHIBIT L, SANTA ANA RIVER NO. 2 PROJECT, APR. 30, 1945. SCE drawing no. 523643 (sheet no. 14; for filing with Federal Power Commission). - Santa HAER CAL,36-REDLD.V,1Q-43.tif 5,000 × 4,036; 19.25 MB
  
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  FOUNDATIONS - TAIL RACE, ETC., POWER HOUSE SANTA ANA RIVER NO. 2, EDISON ELECTRIC CO., NOV. 3, 1904. SCE drawing no. 5393. - Santa Ana River Hydroelectric System, SAR-2 HAER CAL,36-REDLD.V,1Q-42.tif 5,000 × 4,006; 19.1 MB
  
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  DETAIL OF SANTA ANA CANAL TUNNEL PORTAL, LOOKING SOUTH. - Santa Ana River Hydroelectric System, Abandoned Tunnel, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1R-3.tif 5,000 × 4,038; 19.26 MB
  
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  ENTRY PORTAL, ABANDONED SANTA ANA CANAL TUNNEL. VIEW TO SOUTH. - Santa Ana River Hydroelectric System, Abandoned Tunnel, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1R-2.tif 5,000 × 4,013; 19.14 MB
  
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  DETAIL, GATE CONTROL WHEELS, LOOKING EAST-NORTHEAST. - Santa Ana River Hydroelectric System, Sandbox, SAR-3 Flowline, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1S-4.tif 5,000 × 4,048; 19.31 MB
  
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  ENCLOSED CONCRETE AQUEDUCT SOUTH OF SAR-3 LINE SANDBOX. VIEW TO SOUTH. - Santa Ana River Hydroelectric System, Aqueduct, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1T-1.tif 5,000 × 3,993; 19.04 MB
  
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  DETAIL OF TWO METAL TOWERS. VIEW TO NORTH-NORTHWEST. - Santa Ana River Hydroelectric System, Warm Springs Canyon-SAR-3 Flumes, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1U-4.tif 4,043 × 5,000; 19.28 MB
  
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  DETAIL, STRUCTURE AND UNDERSIDE OF FLUME. VIEW TO NORTHWEST. - Santa Ana River Hydroelectric System, Warm Springs Canyon-SAR-3 Flumes, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1U-5.tif 4,054 × 5,000; 19.33 MB
  
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  A.C. PANEL FOR MENTONE POWER HOUSE, P.L. and P. CO., LOS ANGELES. RETRACED FROM MASSON'S DRAWING NO. C-275. JAN. 20, 1909. SCE drawing no. 52880. - Santa Ana River HAER CAL,36-REDLD.V,1W-33.tif 5,000 × 4,015; 19.15 MB
  
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  BUILDING PLANS FOR MENTONE POWER HOUSE, PACIFIC LIGHT AND POWER CO., OCT. 7, 1903. R.S. MASSON, CONSULTING ELECTRICAL ENGINEER, SAN FRANCISCO AND LOS ANGELES. SCE drawing no. HAER CAL,36-REDLD.V,1W-26.tif 5,000 × 3,981; 18.99 MB
  
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  CONTROL PANEL DETAIL. VIEW TO SOUTH-SOUTHEAST. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National Forest, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1W-14.tif 5,000 × 4,002; 19.09 MB
  
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  CONTROL PANEL, BUS ABOVE, AND OPERATOR'S OFFICE, LOOKING EAST. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National Forest, Redlands, San HAER CAL,36-REDLD.V,1W-8.tif 4,048 × 5,000; 19.31 MB
  
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  CRANE RUNWAY FOR 5-TON PUSH TYPE CRANE, SANTA ANA RIVER NO. 3, SEPT. 4, 1945. SCE drawing no. 523856-2. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San HAER CAL,36-REDLD.V,1W-31.tif 5,000 × 4,007; 19.11 MB
  
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  DETAIL OF REACTION TURBINE. VIEW TO NORTH. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National Forest, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1W-18.tif 5,000 × 4,069; 19.41 MB
  
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  DETAIL OF TURBINE GOVERNOR. VIEW TO SOUTHEAST. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National Forest, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1W-16.tif 4,076 × 5,000; 19.44 MB
  
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  DUCT LINES AND HOLES TO BE LEFT IN TRANSFORMER ROOM AND GALLERY, MENTONE, MAR. 13, 1904. R.S. MASSON, CONSULTING ELECTRICAL ENGINEER, SAN FRANCISCO AND LOS ANGELES. SCE HAER CAL,36-REDLD.V,1W-27.tif 5,000 × 4,014; 19.14 MB
  
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  EAST ELEVATION, WITH PENSTOCK ENTERING POWERHOUSE. VIEW TO WEST-SOUTHWEST. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National Forest, Redlands, HAER CAL,36-REDLD.V,1W-5.tif 5,000 × 4,067; 19.4 MB
  
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  ELECTRIC EXCITER, TYPE MP. VIEW TO EAST. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National Forest, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1W-17.tif 5,000 × 4,033; 19.23 MB
  
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  ELECTRICAL EQUIPMENT. PLAN FOR POWER HOUSE, SANTA ANA RIVER P. H. NO. 3, JUNE 23, 1943; REVISIONS, MAR. 14, 1945 AND MAY 17, 1954. SCE drawing no. 523219-2. - Santa Ana River HAER CAL,36-REDLD.V,1W-29.tif 5,000 × 3,996; 19.06 MB
  
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  ELEVATION OF RELAY AND CONTROL SWITCHBOARD, SANTA ANA RIVER P.H. -3, JUNE 23, 1943. SCE drawing no. 413187-1. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San HAER CAL,36-REDLD.V,1W-34.tif 5,000 × 4,005; 19.1 MB
  
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  EXCITER, REACTION TURBINE, AND PENSTOCK-TAILRACE CONNECTOR PIPES. VIEW TO NORTHWEST. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National Forest, HAER CAL,36-REDLD.V,1W-11.tif 4,058 × 5,000; 19.35 MB
  
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  DETAIL, LIGHTNING ARRESTER ON SAR TRANSMISSION LINE. EEC print no. S-C-01-00478, no date. Photographer unknown. - Santa Ana River Hydroelectric System, Transmission Lines, HAER CAL,36-REDLD.V,1X-3.tif 4,014 × 5,000; 19.14 MB
  
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  HAYLOFT SLIDING DOORS WITH PULLEY SUPPORTS. VIEW TO SOUTHEAST. - Santa Ana River Hydroelectric System, SAR-1 Stable, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1K-10.tif 5,000 × 4,000; 19.08 MB
  
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  HEADWORKS COTTAGE ABOVE SAR-1. EEC print no. S-C-01-00558, no date. Photographer unknown. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-30.tif 4,051 × 5,000; 19.32 MB
  
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  HIGH FLUME CROSSING WARM SPRINGS CANYON. VIEW TO NORTHEAST. - Santa Ana River Hydroelectric System, Warm Springs Canyon-SAR-3 Flumes, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1U-1.tif 5,000 × 4,057; 19.35 MB
  
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  HIGH LENNON FLUME, SANTA ANA NO 3, EXHIBIT L, JAN. 25, 1956. SCE drawing no. 541723 (sheet 3; for filing with Federal Power Commission). - Santa Ana River Hydroelectric System HAER CAL,36-REDLD.V,1U-9.tif 5,000 × 4,009; 19.12 MB
  
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  HIGH METAL TOWER BETWEEN SAR-2 AND SAR-3. VIEW TO NORTH-NORTHEAST. - Santa Ana River Hydroelectric System, Transmission Lines, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1X-2.tif 4,083 × 5,000; 19.47 MB
  
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  HIGH VOLTAGE GETAWAYS. SCE negative no. 10332, November 1, 1923. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San HAER CAL,36-REDLD.V,1Q-38.tif 5,000 × 3,929; 18.74 MB
  
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  HISTORIC AIR-COOLED TRANSFORMERS. VIEW TO WEST. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-24.tif 3,990 × 5,000; 19.03 MB
  
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  HISTORIC CONTROL PANEL, ALSO SHOWING CRANE TRACK. VIEW TO SOUTH. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-12.tif 5,000 × 3,959; 18.88 MB
  
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  HORSE-DRAWN SCRAPER, SAR-1 YARD. VIEW TO EAST. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-8.tif 5,000 × 4,012; 19.13 MB
  
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  INDOOR SWITCHRACK, ELEVATION AND SECTIONS. SANTA ANA RIVER NO. 2, DEC. 11, 1951, AND MAR. 20, 1952. SCE drawing no. 534986-2. - Santa Ana River Hydroelectric System, SAR-2 HAER CAL,36-REDLD.V,1Q-52.tif 5,000 × 4,023; 19.19 MB
  
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  INTAKE AND POWER HOUSE AREAS, SANTA ANA NO. 1; DETAIL MAP OF SANTA ANA NO. 1 AND NO. 2 HYDROELECTRIC PROJECT, EXHIBIT K, APR. 30, 1945. SCE drawing no. 523690 (sheet no. 5; HAER CAL,36-REDLD.V,1-51.tif 5,000 × 4,002; 19.09 MB
  
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  INTAKE FLUME AND TUNNEL SECTIONS, SANTA ANA NO. 3, EXHIBIT L, JAN. 25, 1956. SCE drawing no. 541728 (sheet 1; for filing with Federal Power Commission). - Santa Ana River HAER CAL,36-REDLD.V,1U-11.tif 5,000 × 3,998; 19.07 MB
  
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  INTAKES, S.A.R. 2 AND KELLER CREEK, EXHIBIT L, SANTA ANA RIVER NO. 2 PROJECT, APR. 30, 1945. SCE drawing no. 523639 (sheet no. 10, for filing with Federal Power Commission). - HAER CAL,36-REDLD.V,1O-2.tif 5,000 × 4,014; 19.14 MB
  
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  INTERIOR OF ABANDONED SANTA ANA CANAL TUNNEL, SHOWING CEMENT TROUGH FLOOR AND UNFINISHED GRANITE ROOF. VIEW TO SOUTHWEST. - Santa Ana River Hydroelectric System, Abandoned HAER CAL,36-REDLD.V,1R-4.tif 5,000 × 4,023; 19.19 MB
  
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  INTERIOR OF GROUND FLOOR, LOOKING NORTH-NORTHEAST THROUGH ANIMAL STALLS AREA. - Santa Ana River Hydroelectric System, SAR-1 Stable, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1K-6.tif 5,000 × 4,009; 19.12 MB
  
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  INTERIOR OF OPERATOR'S BOOTH, WITH MANUAL TELEPHONE AND SWITCHES. VIEW TO SOUTHWEST. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National Forest, HAER CAL,36-REDLD.V,1W-19.tif 5,000 × 4,042; 19.28 MB
  
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  INTERIOR OF TELEPHONE BOOTH, LOOKING EAST. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1Q-18.tif 4,073 × 5,000; 19.42 MB
  
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  INTERIOR OVERVIEW TO NORTH. SCE negative no. 1905, May 20, 1913. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San HAER CAL,36-REDLD.V,1Q-30.tif 5,000 × 3,954; 18.86 MB
  
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  INTERIOR OVERVIEW TO SOUTH. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1Q-8.tif 5,000 × 4,000; 19.08 MB
  
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  INTERIOR OVERVIEW TO SOUTHEAST. ACTIVE CONTROL PANEL AND GENERATORS AT LEFT, HISTORIC CONTROL PANEL AT RIGHT. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, HAER CAL,36-REDLD.V,1J-15.tif 4,023 × 5,000; 19.19 MB
  
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  INTERIOR OVERVIEW WITH TURBINE WATERWHEEL GOVERNOR. PANORAMIC VIEW 1-2, LOOKING SOUTHEAST. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National HAER CAL,36-REDLD.V,1W-6.tif 4,043 × 5,000; 19.28 MB
  
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  INTERIOR UNDER CONSTRUCTION, SHOWING EXCITERS AND BASES FOR GENERATOR UNITS. EEC print no. N-C-01-00033, no date. Photograph by Benjamin F. Pearson. - Santa Ana River HAER CAL,36-REDLD.V,1J-47.tif 5,000 × 4,021; 19.18 MB
  
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  INTERIOR VIEW TO SOUTH, SHOWING CRANE AND GENERATOR -1. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1Q-9.tif 5,000 × 4,033; 19.23 MB
  
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  INTERIOR VIEW TO WEST, SHOWING EXCITER, RHEOSTATS, DISCONNECT PANEL WITH BUS ABOVE, AND OPERATOR'S DESK. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, HAER CAL,36-REDLD.V,1Q-10.tif 5,000 × 3,975; 18.96 MB
  
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  INTERIOR, SHOWING BALCONY ABOVE CONTROL PANEL, AND BELT-DRIVEN LATHE. EEC print no. G-C-01-00095, no date. Photograph by Benjamin F. Pearson. - Santa Ana River Hydroelectric HAER CAL,36-REDLD.V,1J-37.tif 5,000 × 4,064; 19.38 MB
  
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  INTERIOR, WITH WORKERS SEATED IN FRONT OF CONTROL PANEL. EEC print no. G-C-01-00191, no date. Photograph by Benjamin F. Pearson. - Santa Ana River Hydroelectric System, SAR-1 HAER CAL,36-REDLD.V,1J-39.tif 5,000 × 4,079; 19.45 MB
  
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  IVY-COVERED NORTH AND WEST ELEVATIONS. SCE negative no. 10326, November 1, 1923. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, HAER CAL,36-REDLD.V,1Q-28.tif 5,000 × 4,013; 19.14 MB
  
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  LAST FLUME AND TUNNEL SECTION BEFORE SAR-3 FOREBAY. VIEW TO NORTHEAST. - Santa Ana River Hydroelectric System, Warm Springs Canyon-SAR-3 Flumes, Redlands, San Bernardino HAER CAL,36-REDLD.V,1U-7.tif 5,000 × 3,953; 18.85 MB
  
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  LAST FLUME SECTION BEFORE SAR-3 FOREBAY. VIEW TO SOUTH FROM END OF SANDBOX. - Santa Ana River Hydroelectric System, Warm Springs Canyon-SAR-3 Flumes, Redlands, San Bernardino HAER CAL,36-REDLD.V,1U-8.tif 4,083 × 5,000; 19.47 MB
  
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  LOMBARD WATER GOVERNOR ON GENERATOR -3. VIEW TO NORTHWEST. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-27.tif 4,001 × 5,000; 19.08 MB
  
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  LONGITUDINAL SECTION - POWER HOUSE S.A.R. NO. 2, EDISON PROJECT, APR. 30, 1945. SCE drawing no. 523198 (sheet no. 8; for filing with Federal Power Commission). - Santa Ana HAER CAL,36-REDLD.V,1Q-46.tif 5,000 × 3,980; 18.98 MB
  
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  LOOKING DOWN ON COTTAGE SITE NEAR SAR-1, FROM ROAD TO FOREBAY. VIEW TO EAST. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-4.tif 5,000 × 4,001; 19.08 MB
  
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  LOOKING INTO OLD HARNESS ROOM IN NORTH CORNER OF GROUND FLOOR. VIEW TO NORTHWEST. - Santa Ana River Hydroelectric System, SAR-1 Stable, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1K-8.tif 5,000 × 4,039; 19.26 MB
  
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  LOOKING INTO WEST CORNER OF GROUND FLOOR. VIEW TO NORTHWEST. - Santa Ana River Hydroelectric System, SAR-1 Stable, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1K-7.tif 5,000 × 3,994; 19.05 MB
  
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  LOOKING NORTH-NORTHEAST OVER SPILLWAY TO GATE CONTROLS. - Santa Ana River Hydroelectric System, Sandbox, SAR-3 Flowline, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1S-2.tif 5,000 × 3,977; 18.97 MB
  
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  LOOKING NORTHEAST ACROSS DAM TO GATE CONTROLS, CABLE CAR ANCHORING, AND, AT RIGHT, HEAD WORKS AT PORTAL OF TUNNEL ZERO FOR DIVERSION OF WATER TO BEAR CREEK-SANTA ANA RIVER HAER CAL,36-REDLD.V,1A-3.tif 5,000 × 3,996; 19.06 MB
  
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  LOOKING NORTHEAST TO SAR-2 FROM BED OF SANTA ANA RIVER. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-17.tif 4,018 × 5,000; 19.16 MB
  
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  LOOKING STEEPLY DOWN AT SAR-2 FOREBAY, THE POWERHOUSE, AND THE SANTA ANA RIVER CANYON. VIEW TO WEST-NORTHWEST. - Santa Ana River Hydroelectric System, Redlands, San Bernardino HAER CAL,36-REDLD.V,1-14.tif 5,000 × 3,990; 19.03 MB
  
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  LOOKING WEST-SOUTHWEST DOWN PENSTOCK FROM SAR-3 FOREBAY. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-21.tif 3,980 × 5,000; 18.98 MB
  
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  MAP OF SANTA ANA RIVER POWER PLANT NO. 2 OF THE EDISON ELECTRIC CO. THROUGH UNSURVEYED LAND IN THE SAN BERNARDINO FOREST RESERVE, APPROVED MAY 26, 1904, F. C. FINKLE, CHIEF HAER CAL,36-REDLD.V,1-48.tif 3,992 × 5,000; 19.04 MB
  
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  METAL TRANSMISSION TOWER JUST WEST OF SAR-1. VIEW TO WEST. - Santa Ana River Hydroelectric System, Transmission Lines, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1X-1.tif 4,015 × 5,000; 19.15 MB
  
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  MID-DISTANCE VIEW OF LIGHTNING ARRESTER. EEC print no. S-C-01-00479, no date. Photographer unknown. - Santa Ana River Hydroelectric System, Transmission Lines, Redlands, San HAER CAL,36-REDLD.V,1X-4.tif 4,030 × 5,000; 19.22 MB
  
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  NEEDLE AND NOZZLE TIP, SANTA ANA NO. 1, SOUTHERN CALIFORNIA EDISON CO., APR. 28, 1910, REVISED MAY 12, 1910. SCE drawing no. 4500. - Santa Ana River Hydroelectric System, SAR HAER CAL,36-REDLD.V,1J-60.tif 5,000 × 3,989; 19.02 MB
  
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  NEW BCB AND LIGHTNING ARRESTER ARRANGEMENT, SANTA ANA RIVER NO. 2, JAN. 24, 1977. SCE drawing no. 455670-0. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands HAER CAL,36-REDLD.V,1Q-53.tif 5,000 × 4,023; 19.19 MB
  
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  NEW SWITCHBOARD, LOOKING SOUTH FROM SYNCHROSCOPE. SCE negative no. 2678, June 4, 1914. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse HAER CAL,36-REDLD.V,1J-42.tif 5,000 × 4,020; 19.17 MB
  
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  NORTH AND EAST ELEVATIONS, WITH TRANSFORMERS. VIEW TO SOUTHWEST. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1Q-5.tif 5,000 × 4,031; 19.22 MB
  
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  NORTH AND WEST ELEVATIONS OF WAREHOUSE (LEFT) AND CARPENTER SHOP (RIGHT) AT SAR-3 SERVICE YARD. VIEW TO SOUTHEAST. - Santa Ana River Hydroelectric System, Redlands, San HAER CAL,36-REDLD.V,1-27.tif 5,000 × 4,004; 19.1 MB
  
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  NORTH AND WEST ELEVATIONS, LOOKING SOUTHEAST. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National Forest, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1W-3.tif 5,000 × 4,021; 19.18 MB
  
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  NORTH AND WEST ELEVATIONS, WITH TRANSFORMERS, LOOKING SOUTH-SOUTHEAST. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1Q-3.tif 5,000 × 4,015; 19.15 MB
  
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  NORTH ELEVATION, SHOWING ADMINISTRATIVE OFFICES AT LEFT REAR, AND SWITCH RACK AT RIGHT REAR. VIEW TO SOUTH-SOUTHEAST. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, HAER CAL,36-REDLD.V,1W-4.tif 5,000 × 4,035; 19.24 MB
  
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  NORTH ELEVATION. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1Q-4.tif 5,000 × 3,995; 19.05 MB
  
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  NORTH SIDE OF DISCONNECT CONTROL PANEL, TO WEST. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1Q-13.tif 4,042 × 5,000; 19.28 MB
  
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  NORTHWEST ELEVATION, LOOKING EAST. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-4.tif 5,000 × 4,029; 19.21 MB
  
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  NORTHWEST ELEVATION, WITH CORRAL WALL AND SAR-1 IN THE DISTANCE. VIEW TO EAST. - Santa Ana River Hydroelectric System, SAR-1 Stable, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1K-4.tif 5,000 × 4,035; 19.24 MB
  
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  NORTHWEST PENSTOCK ENTERING RECEIVER (UNDER PLANKS), NORTHEAST SIDE OF SAR-1. VIEW TO SOUTHEAST. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San HAER CAL,36-REDLD.V,1J-8.tif 3,998 × 5,000; 19.07 MB
  
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  NORTHWEST WALL OF INTERIOR, SHOWING TOOL BOARD AND DRILL PRESS. VIEW TO NORTHWEST. - Santa Ana River Hydroelectric System, SAR-1 Machine Shop, Redlands, San Bernardino County, HAER CAL,36-REDLD.V,1L-2.tif 5,000 × 4,020; 19.17 MB
  
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  OBLIQUE VIEW TO NORTHEAST ALONG FRONT OF SANTA ANA RIVER DIVERSION DAM. NOTE CABLE CAR SUSPENSION CABLE AT GATE ATOP DAM. - Santa Ana River Hydroelectric System, Santa Ana HAER CAL,36-REDLD.V,1A-2.tif 5,000 × 4,067; 19.4 MB
  
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  OLD FOOTINGS AND NEW, AT WARM SPRINGS CREEK. VIEW TO NORTH. - Santa Ana River Hydroelectric System, Warm Springs Canyon-SAR-3 Flumes, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1U-3.tif 4,062 × 5,000; 19.37 MB
  
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  OPEN AIR PORTION OF ABANDONED SANTA ANA CANAL TUNNEL. VIEW TO EAST. - Santa Ana River Hydroelectric System, Abandoned Tunnel, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1R-5.tif 5,000 × 4,004; 19.1 MB
  
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  OPERATOR WORKING GOVERNOR ON UNIT NO. 4. SCE negative no. 2685, no date. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, HAER CAL,36-REDLD.V,1J-53.tif 4,013 × 5,000; 19.14 MB
  
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  OPERATOR'S OFFICE AND BATTERY BANK. VIEW TO WEST. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-17.tif 5,000 × 4,020; 19.17 MB
  
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  ORIGINAL DOUBLE WATERWHEELS, GENERATOR, AND GOVERNOR. SCE negative no. 15237, February 23, 1928. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, SAR-3 HAER CAL,36-REDLD.V,1W-22.tif 5,000 × 4,008; 19.11 MB
  
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  ORIGINAL GENERATING EQUIPMENT, LOOKING NORTHEAST. SCE negative no. 10337, November 1, 1923. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, SAR-3 HAER CAL,36-REDLD.V,1W-23.tif 5,000 × 3,984; 19 MB
  
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  OVERALL INTERIOR, LOOKING EAST. SCE negative no. 2677, June 4, 1914. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San HAER CAL,36-REDLD.V,1J-38.tif 5,000 × 4,083; 19.47 MB
  
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  OVERVIEW FROM FORMER RESIDENTIAL AREA NORTH OF SAR-2, SHOWING TRAIL UP TO FOREBAY, RETAINING WALL, PEPPER TREES, AND SAR-2 IN DISTANCE. VIEW TO SOUTH-SOUTHEAST. - Santa Ana HAER CAL,36-REDLD.V,1-12.tif 5,000 × 4,013; 19.14 MB
  
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  OVERVIEW OF FIFTH FLUME ABOVE SAR-1 FOREBAY, SHOWING OLD AND NEWER CEMENT FOOTINGS. VIEW TO NORTHEAST. - Santa Ana River Hydroelectric System, Flumes and Tunnels below Sandbox HAER CAL,36-REDLD.V,1G-1.tif 4,034 × 5,000; 19.24 MB
  
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  OVERVIEW OF MAINTENANCE ROAD AND FOURTH FLUME ABOVE SAR-1 FOREBAY, HIGH ABOVE SANTA ANA RIVER BED, LOOKING SOUTHWEST. - Santa Ana River Hydroelectric System, Flumes and HAER CAL,36-REDLD.V,1G-2.tif 5,000 × 4,012; 19.13 MB
  
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  OVERVIEW OF SANTA ANA RIVER CANYON AND SAR-1, FROM ROAD TO HEADWORKS, LOOKING WEST-SOUTHWEST. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-3.tif 5,000 × 4,008; 19.11 MB
  
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  OVERVIEW OF SAR-1 FLOWLINE SANDBOX AT BREAKNECK CREEK. VIEW TO WEST. - Santa Ana River Hydroelectric System, Sandbox at Breakneck Creek, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1F-1.tif 5,000 × 4,008; 19.11 MB
  
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  OVERVIEW OF SAR-3 AREA, SHOWING CORNER OF SAR-3 WITH TAILRACE, ADMINISTRATIVE OFFICE, TOILET SHED, AND RETAINING WALLS AT FORMER EMPLOYEE HOUSING SITE. VIEW TO SOUTHEAST. HAER CAL,36-REDLD.V,1-23.tif 5,000 × 4,009; 19.12 MB
  
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  OVERVIEW OF SAR-3 AREA, SHOWING SWITCH RACK, SERVICE YARD, WAREHOUSE, CARPENTER SHOP, AND STORAGE SHED. VIEW TO SOUTH-SOUTHEAST. PANORAMA 2-2. - Santa Ana River Hydroelectric HAER CAL,36-REDLD.V,1-24.tif 5,000 × 4,009; 19.12 MB
  
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  OVERVIEW OF SAR-3 COMPLEX, SHOWING FORMER RESIDENTIAL AREA, SAR-3 SWITCH RACK, MAINTENANCE YARD, AND GREENSPOT BRIDGE. NOTE ALSO LARGE PIPE CONDUCTING TAILRACE WATER INTO HAER CAL,36-REDLD.V,1-20.tif 5,000 × 3,975; 18.96 MB
  
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  OVERVIEW TO NORTHWEST OF SAR-3, FROM FORMER RESIDENTIAL AREA. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-25.tif 5,000 × 3,988; 19.02 MB
  
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  PARTIAL FLOOR PLAN SHOWING INDOOR 750 VOLT SWITCHRACK AND MISC. EQUIPMENT, SANTA ANA RIVER NO. 2, DEC. 11, 1951; REVISIONS, DEC. 14, 1951. SCE drawing no. 534985-1. - Santa HAER CAL,36-REDLD.V,1Q-50.tif 5,000 × 3,997; 19.06 MB
  
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  PARTIAL NORTHEAST ELEVATION, LOOKING SOUTHWEST. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-6.tif 5,000 × 4,006; 19.1 MB
  
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  PELTON WATERWHEEL FOR DRIVING EXCITER, SHOWING BUCKETS. VIEW TO WEST-SOUTHWEST. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-30.tif 5,000 × 4,024; 19.19 MB
  
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  PENSTOCK RECEIVER AND ISOLATION VALVE, WITH -4 GENERATOR TURBINE SHUTOFF VALVE IN FOREGROUND. VIEW TO SOUTHEAST. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, HAER CAL,36-REDLD.V,1J-9.tif 4,047 × 5,000; 19.3 MB
  
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  PENSTOCKS. EXHIBIT L, SANTA ANA RIVER NO. 1 PROJECT, APR. 30, 1945. SCE drawing no. 523197 (sheet no. 7; for filing with Federal Power Commission). - Santa Ana River HAER CAL,36-REDLD.V,1I-4.tif 5,000 × 3,999; 19.07 MB
  
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  PLAN AND PROFILES OF PENSTOCK AND SPILLWAY PIPE, SANTA ANA NO. 3, EXHIBIT L, JAN. 25, 1956. SCE drawing no. 541726 (sheet 7; for filing with Federal Power Commission). - Santa HAER CAL,36-REDLD.V,1V-4.tif 5,000 × 4,026; 19.2 MB
  
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  PLAN AND SECTIONS SHOWING INSTALLATION OF HYDRAULIC TURBINE UNIT FROM KAWEAH NO. 2 REPLACING EXISTING UNIT, SANTA ANA RIVER NO. 3, JUNE 21, 1945. SCE drawing no. 523126-1. - HAER CAL,36-REDLD.V,1W-30.tif 5,000 × 4,017; 19.16 MB
  
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  PLAN OF POWERHOUSE, PROJECT 1933, EXHIBIT F, SANTA ANA POWERHOUSE NO. 1. SCE drawing no. 5206855 (no date; FERC no. 1933-45). - Santa Ana River Hydroelectric System, SAR-1 HAER CAL,36-REDLD.V,1J-54.tif 5,000 × 4,022; 19.18 MB
  
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  PLAN, ELEVATIONS, AND SECTIONS OF STABLE, SANTA ANA NO. 1, MAY 29, 1912. SCE drawing no. 4674. - Santa Ana River Hydroelectric System, SAR-1 Stable, Redlands, San Bernardino HAER CAL,36-REDLD.V,1K-13.tif 5,000 × 4,017; 19.16 MB
  
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  PLAN, ELEVATIONS, AND SECTIONS OF STOREHOUSE-SHOP BUILDING- BUILDING FOR STOREHOUSE, BLACKSMITH SHOP, ETC., OF S.A.R. NO. 1, MAY 29, 1912. SCE drawing no. 4739. - Santa Ana HAER CAL,36-REDLD.V,1L-6.tif 5,000 × 3,987; 19.01 MB
  
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  PLANK WALKWAY ATOP PIPE, ALSO SHOWING OVERFLOW CONTROL BOX AT JUNCTION OF PIPE WITH CONCRETE CHANNEL TO FISH SCREEN. VIEW TO NORTHEAST. - Santa Ana River Hydroelectric System, HAER CAL,36-REDLD.V,1C-2.tif 5,000 × 3,975; 18.96 MB
  
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  PLANK WALKWAY ATOP WARM SPRINGS CANYON FLUME. VIEW TO WEST-SOUTHWEST. - Santa Ana River Hydroelectric System, Warm Springs Canyon-SAR-3 Flumes, Redlands, San Bernardino County HAER CAL,36-REDLD.V,1U-6.tif 5,000 × 4,023; 19.19 MB
  
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  PLANK WALKWAY, POOL, AND LEAF SCREEN. VIEW TO SOUTHWEST. - Santa Ana River Hydroelectric System, Sandbox at Breakneck Creek, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1F-2.tif 5,000 × 4,012; 19.13 MB
  
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  PLANS AND SECTIONS OF POWERHOUSE. SANTA ANA NO. 3, EXHIBIT L, JAN. 25, 1956 (SHEET 8; FOR FILING WITH FEDERAL POWER COMMISSION). SCE drawing no. 541729. - Santa Ana River HAER CAL,36-REDLD.V,1W-28.tif 5,000 × 3,982; 18.99 MB
  
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  PLOT PLAN, AS PREPARED FOR PROPERTY DATA BOOK, SANTA ANA RIVER P.H. NO. 3, APR. 3, 1928. SCE drawing no. 48833. - Santa Ana River Hydroelectric System, Redlands, San HAER CAL,36-REDLD.V,1-56.tif 5,000 × 4,074; 19.43 MB
  
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  POOL BEHIND DIVERSION DAM. VIEW DOWN CANYON TO SOUTHWEST. - Santa Ana River Hydroelectric System, Santa Ana River Diversion Dam, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1A-4.tif 5,000 × 4,000; 19.08 MB
  
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  POOL, DAM, AND INTAKE TO PIPELINE LEADING TO FISH WHEEL, LOOKING WEST-NORTHWEST. - Santa Ana River Hydroelectric System, Bear Creek Diversion Dam and Confluence Pool, Redlands HAER CAL,36-REDLD.V,1B-3.tif 5,000 × 3,994; 19.05 MB
  
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  POWDER MAGAZINE NORTHWEST OF SAR-1. VIEW TO SOUTHEAST. - Santa Ana River Hydroelectric System, SAR-1 Powder Magazine, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1M-1.tif 5,000 × 3,941; 18.79 MB
  
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  POWER HOUSE AREA, SANTA ANA NO. 2; DETAIL MAP OF SANTA ANA NO. 1 AND NO. 2 HYDROELECTRIC PROJECT, EXHIBIT K, APR. 30, 1945. SCE drawing no. 523691 (sheet no. 6; for filing HAER CAL,36-REDLD.V,1-52.tif 5,000 × 4,003; 19.09 MB
  
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  POWER HOUSE SANTA ANA NO. 2 (PLAN AND VIEWS), NOV. 14, 1910. SCE drawing no. 5277. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, San Bernardino County, HAER CAL,36-REDLD.V,1Q-40.tif 5,000 × 4,038; 19.26 MB
  
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  PROJECT 2198, EXHIBIT G, SANTA ANA POWERHOUSE NO. 3 (GENERAL MAP). SCE drawing no. 5187987, no date (FERC No. 2198-11). - Santa Ana River Hydroelectric System, Redlands, San HAER CAL,36-REDLD.V,1-47.tif 5,000 × 3,983; 19 MB
  
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  QUARRIED CHANNEL AND PLANK WALK, LOOKING NORTH TOWARD FISH SCREEN. - Santa Ana River Hydroelectric System, Flume and Tunnel below Fish Screen, Redlands, San Bernardino County, HAER CAL,36-REDLD.V,1E-1.tif 4,018 × 5,000; 19.16 MB
  
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  REAR OF 750 VOLT HISTORIC CONTROL PANEL. VIEW TO EAST. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-22.tif 4,029 × 5,000; 19.21 MB
  
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  REAR OF CONTROL PANEL BELOW BUS. VIEW TO NORTHWEST. - Santa Ana River Hydroelectric System, SAR-3 Powerhouse, San Bernardino National Forest, Redlands, San Bernardino County, HAER CAL,36-REDLD.V,1W-15.tif 3,951 × 5,000; 18.84 MB
  
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  REAR OF SWITCHBOARD, NEWLY MODIFIED. SCE negative no. 15349, May 21, 1928. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, Redlands, HAER CAL,36-REDLD.V,1Q-36.tif 5,000 × 4,000; 19.08 MB
  
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  REAR OF SWITCHBOARD, OLDER ARRANGEMENT. SCE negative no. 10328, November 1, 1923. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, SAR-2 Powerhouse, HAER CAL,36-REDLD.V,1Q-35.tif 5,000 × 3,992; 19.04 MB
  
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  RETAINING WALLS AT COTTAGE SITE NEAR SAR-1. VIEW TO NORTHEAST. - Santa Ana River Hydroelectric System, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1-5.tif 5,000 × 4,044; 19.29 MB
  
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  REVOLVING FISH SCREEN, S.A.R. No. 1, FEB. 19, 1914. SCE drawing no. 4777. - Santa Ana River Hydroelectric System, Revolving Fish Screen, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1D-3.tif 5,000 × 4,052; 19.32 MB
  
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  RHEOSTATS BEHIND HISTORIC CONTROL PANEL. VIEW TO SOUTH. - Santa Ana River Hydroelectric System, SAR-1 Powerhouse, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1J-23.tif 3,946 × 5,000; 18.82 MB
  
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  ROCK DROP AND FISH WHEEL, CONDUIT NO. 1 SPILLWAY, FLUME NO. 17, EXHIBIT L, SANTA ANA RIVER NO. 1 PROJECT, APR. 30, 1945. SCE drawing no. 523192 (sheet no. 2; for filing with HAER CAL,36-REDLD.V,1-50.tif 5,000 × 3,990; 19.03 MB
  
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  RUINED PORTION OF SANTA ANA CANAL INTAKE ALONGSIDE SAR-3 SYSTEM TUNNEL, JUST TO SOUTH OF SAR-2. VIEW TO SOUTHEAST. - Santa Ana River Hydroelectric System, Abandoned Tunnel, HAER CAL,36-REDLD.V,1R-1.tif 4,097 × 5,000; 19.54 MB
  
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  S.A.R. -2 PRELIMINARY ARRANGEMENT OF HOUSING FOR 800 HORSEPOWER WATER WHEEL UNIT, JUNE 7, 1904. TRACED ON SEPT. 6, 1911 BY E.P., FROM ABNER DOBLE CO'S. BLUE PRINT NO. 1663. HAER CAL,36-REDLD.V,1Q-47.tif 5,000 × 3,968; 18.92 MB
  
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  SANDBOX AT BREAKNECK CREEK UNDER CONSTRUCTION. SCE negative no. 1910, May 20, 1913. Photograph by G. Haven Bishop. - Santa Ana River Hydroelectric System, Sandbox at Breakneck HAER CAL,36-REDLD.V,1F-6.tif 5,000 × 4,010; 19.12 MB
  
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  SANDBOX AT SAR-1 BYPASS. VIEW TO SOUTHWEST. - Santa Ana River Hydroelectric System, Sandbox, SAR-1 Bypass, Redlands, San Bernardino County, CA HAER CAL,36-REDLD.V,1N-1.tif 5,000 × 4,018; 19.16 MB
  

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