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N448EC, 2011 Pipistrel Taurus G4 Wooden Propeller, TARD01_086N24PG, Phoenix Air Sro U-15 Phoenix, Electrically Powered Aircraft, TARD01_087N24PG, Phoenix Air Sro U-15 Phoenix, Electrically Powered Aircraft, TARD01_088N24PG, Phoenix Air Sro U-15 Phoenix, Electrically Powered Aircraft, TARD01_089N510SC, Embry Riddle Aeronautical University, TARD01_090CAFE-NASA Green Flight Event, 2011 Banner, TARD01_091CAFE-NASA Green Flight Event, 2011, TARD01_092CAFE-NASA Green Flight Event, 2011, TARD01_093CAFE-NASA Green Flight Event, 2011, TARD01_094CAFE-NASA Green Flight Event, 2011, TARD01_095CAFE-NASA Green Flight Event, 2011, TARD01_096Taurus G4, TARD01_097CAFE-NASA Green Flight Event, 2011, TARD01_098e-Genius, Electrically Powered Aircraft, TARD01_099CAFE-NASA Green Flight Event, 2011, TARD01_100N447KR, e-Genius, IFB, TARD01_101N448EC, 2011 Pipistrel Taurus G4, Electrically Powered Aircraft, TARD01_102Water Release, Putah Creek, Lake Berryessa, Monticello Hydroelectric Project, California, TPHD01_004Putah Creek, Lake Berryessa, Monticello Hydroelectric Project, California, TPHD01_005Putah Creek, Lake Berryessa, Monticello Hydroelectric Project, California, TPHD01_006Cement Plant, Tehachapi Pass Wind Farm, Southern California, ICBD01_019Cement Plant, Tehachapi Pass Wind Farm, Southern California, ICBD01_020Cement Plant, Tehachapi Pass Wind Farm, Southern California, ICBD01_021Cement Plant, Tehachapi Pass Wind Farm, Southern California, ICBD01_023Cement Plant, Tehachapi, Southern California, ICBD01_024Eclipse Windmill, Wind Pump, water tank, hills, clouds, cattle, FMNV06P03_14Bconcrete arch-gravity dam, Glen Canyon Dam, Page, Arizona, TPHV02P01_02Arrow Rock Dam, concrete arch dam, Boise River, TPHV02P12_05Arrow Rock Dam, concrete arch dam, Boise River, TPHV02P12_06Arrow Rock Dam, concrete arch dam, Boise River, TPHV02P12_07TPHV02P12_08TPHV02P12_09Hills with Wind Power Towers, Tehachapi California, TPWD01_017Hills with Wind Power Towers, Tehachapi California, TPWD01_018Hills with Wind Power Towers, Tehachapi California, TPWD01_019State Highway 58, Hills with Wind Power Towers, Tehachapi California, freeway, TPWD01_020State Highway 58, Hills with Wind Power Towers, Tehachapi California, freeway, TPWD01_021Wind Turbine, fan, TPWD01_022Wind Turbine, fan, TPWD01_023Wind Turbine, fan, TPWD01_024Wind Turbine, fan, TPWD01_025Wind Turbine, fan, TPWD01_026Wind Turbine, fan, TPWD01_027Wind Turbine, fan, TPWD01_028Wind Turbine, fan, TPWD01_029Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_11Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_12Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_13Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_14Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_15Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_16Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_17Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_18Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_19Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San solar thermal power station, Bernardino County, California, Mojave Desert, 2016, TPSD01_004Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_005Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, Mountains, 2016, TPSD01_006Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_007Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_008sign, signage, Ivanpah Solar Electric Generating System, facility, San Bernardino County, California, Mojave Desert, 2016, NRG Energy, TPSD01_009Ivanpah Solar Electric Generating System, NRG Energy, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_010Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_011Ivanpah Solar Electric Generating System, Boiler Towers, facility, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_012Boiler Tower, Ivanpah Solar Electric Generating System, facility, San Bernardino County, California, Mojave Desert, 2016, TPSD01_013Ivanpah Solar Electric Generating System, facility, Boiler Tower, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_014Ivanpah Solar Electric Generating System, facility, Boiler Tower, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_015Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_016Boiler Tower, Ivanpah Solar Electric Generating System, facility, San Bernardino County, California, Mojave Desert, 2016, TPSD01_017Boiler Tower, Ivanpah Solar Electric Generating System, facility, San Bernardino County, California, Mojave Desert, 2016, TPSD01_018Ivanpah Solar Electric Generating System, facility, Boiler Tower, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_019Ivanpah Solar Electric Generating System, facility, Boiler Tower, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_020Eclipse Windmill, Paintography, FMND04_047Ivanpah Solar Electric Generating System, facility, Boiler Tower, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_021Ivanpah Solar Electric Generating System, facility, Boiler Tower, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_021BHomes, Houses, roofs, rooftops, Passive Solar Panels, TPSV01P02_18BTPWD01_030TPWD01_031TPWD01_032TPWD01_033TPWD01_034TPWD01_035TPWD01_036TPWD01_037TPWD01_038crab pots, TPWD01_039TPWD01_040crab pots, TPWD01_041The lonesome Railroad tracks, ties, rail, VRFD01_159Union Pacific Trainset, Altamont Pass California, June 1968, VRPV07P14_17Rio Vista, California, TPWD01_042Rio Vista, California, TPWD01_043Rio Vista, California, TPWD01_044Rio Vista, California, TPWD01_045Rio Vista, California, TPWD01_046Rio Vista, California, TPWD01_047Rio Vista, TPWD01_048Dry Falls of the Columbia, TPHV02P12_11Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P12_12TPHV02P12_13Franklin Roosevelt bust, pond, cars, memorial, trailer, Grand Coulee Dam, 1950s, TPHV02P12_14Norris Dam, Clinch River, TPHV02P12_15TPHV02P12_16TPHV02P12_17Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P12_18Water shoots out of the spillway, Hoover Dam, TPHV02P12_19Water Intake Towers, Hoover Dam, TPHV02P13_01Hoover Dam, cars, automobiles, 1940s, TPHV02P13_02Water Intake Towers, Hoover Dam, 1950s, TPHV02P13_03Francis turbine power generating units, Hoover Dam, TPHV02P13_04spillway, TPHV02P13_05TPHV02P13_06TPHV02P13_07TPHV02P13_08Shasta Dam, California, TPHV02P13_09Shasta Dam, California, TPHV02P13_10Turbulent Water of the Colorado River, Hoover Dam Power House, TPHV02P13_11Hoover Dam, TPHV02P13_12TPHV02P13_13Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P13_14Water Intake Tower, Hoover Dam, August 1964, 1960s, TPHV02P13_15Hoover Dam Power House, Colorado River, TPHV02P13_16Lookout Overhang, river, TPHV02P13_17TPHV02P13_18Bartlett Dam, Verde River, Arizona, TPHV02P13_19Bartlett Dam, Verde River, Arizona, TPHV02P14_01Bartlett Dam, Verde River, Arizona, TPHV02P14_02Bartlett Dam, Verde River, Arizona, TPHV02P14_03Glen Canyon Dam, Tonalea Coconino County, Arch-gravity dam, Colorado River, Lake Powell, TPHV02P14_04TPHV02P14_05Waterwheel, TPHV02P14_06Glen Canyon Dam, Tonalea Coconino County, Arch-gravity dam, Colorado River, TPHV02P14_07Glen Canyon Dam, Tonalea Coconino County, Arch-gravity dam, Colorado River, Lake Powell, TPHV02P14_08Bartlett Dam, Verde River, Arizona, TPHV02P14_09Bartlett Dam, Verde River, Arizona, TPHV02P14_10Grand Coulee Dam, Columbia River, TPHV02P14_11Grand Coulee Dam, Columbia River, TPHV02P14_12Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P14_13TPHV02P14_14TPHV02P14_15TPHV02P14_16TPHV02P14_17Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P14_18Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P14_19Grand Coulee Dam, Columbia River, color lights in the night, Gravity Dam, TPHV02P15_01Grand Coulee Dam, Columbia River, color lights in the night, Gravity Dam, TPHV02P15_02Grand Coulee Dam, Columbia River, color lights in the night, Gravity Dam, TPHV02P15_03Grand Coulee Dam, Columbia River, color lights in the night, Gravity Dam, TPHV02P15_04Grand Coulee Dam, Columbia River, color lights in the night, Gravity Dam, TPHV02P15_05Grand Coulee Dam, Columbia River, color lights in the night, Gravity Dam, TPHV02P15_06TPHV02P15_07Generator Turbine, TPHV02P15_08Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P14_13BLake Powell, Glen Canyon Dam, concrete arch-gravity dam, TPHV02P04_12BMabry Mill Water Wheel, CORV01P15_03CNW 7000, SD50, Chicago & Northwestern, Altamont Pass, August 1986, VRPV08P13_09TPHV01P02_10BTPHV01P02_19BTPHV01P07_11B.1716Cars, Pipeline, 1950s, TPHV02P15_09Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_049Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_050Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_051Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_052Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_053Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_054Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_055Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_056Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_057Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_058Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_059Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_060Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_061Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_062Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_063Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_064Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_065Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_066Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_067Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_068Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_069TPHD01_007TPHD01_008TPHD01_009TPHD01_010Moccasin Dam, Tuolumne County, TPHD01_011Moccasin Dam, Tuolumne County, TPHD01_012Water Pipes, Moccasin Dam, Tuolumne County, TPHD01_013Water Pipes, Moccasin Dam, Tuolumne County, TPHD01_014Consumers Power Company, cars, TPNV01P09_14San Onofre Nuclear Power Plant, San Clemente, TPNV01P09_19Altamont Pass Wind Turbines, propellers, TPWD01_070Altamont Pass Wind Turbines, propellers, TPWD01_071Altamont Pass Wind Turbines, propellers, TPWD01_072Altamont Pass Wind Turbines, propellers, TPWD01_073Altamont Pass Wind Turbines, propellers, TPWD01_074SP 7308, Southern Pacific Daylight, Mojave, March 1989, VRPV08P14_09Mariner IV, Solar Panels, NASA, US Space Pavilion, spaceflight, PFWV04P11_13Intake Towers at Lake Mead, TPHV02P15_10
N448EC, 2011 Pipistrel Taurus G4 Wooden Propeller, TARD01_086N24PG, Phoenix Air Sro U-15 Phoenix, Electrically Powered Aircraft, TARD01_087N24PG, Phoenix Air Sro U-15 Phoenix, Electrically Powered Aircraft, TARD01_088N24PG, Phoenix Air Sro U-15 Phoenix, Electrically Powered Aircraft, TARD01_089N510SC, Embry Riddle Aeronautical University, TARD01_090CAFE-NASA Green Flight Event, 2011 Banner, TARD01_091CAFE-NASA Green Flight Event, 2011, TARD01_092CAFE-NASA Green Flight Event, 2011, TARD01_093CAFE-NASA Green Flight Event, 2011, TARD01_094CAFE-NASA Green Flight Event, 2011, TARD01_095CAFE-NASA Green Flight Event, 2011, TARD01_096Taurus G4, TARD01_097CAFE-NASA Green Flight Event, 2011, TARD01_098e-Genius, Electrically Powered Aircraft, TARD01_099CAFE-NASA Green Flight Event, 2011, TARD01_100N447KR, e-Genius, IFB, TARD01_101N448EC, 2011 Pipistrel Taurus G4, Electrically Powered Aircraft, TARD01_102Water Release, Putah Creek, Lake Berryessa, Monticello Hydroelectric Project, California, TPHD01_004Putah Creek, Lake Berryessa, Monticello Hydroelectric Project, California, TPHD01_005Putah Creek, Lake Berryessa, Monticello Hydroelectric Project, California, TPHD01_006Cement Plant, Tehachapi Pass Wind Farm, Southern California, ICBD01_019Cement Plant, Tehachapi Pass Wind Farm, Southern California, ICBD01_020Cement Plant, Tehachapi Pass Wind Farm, Southern California, ICBD01_021Cement Plant, Tehachapi Pass Wind Farm, Southern California, ICBD01_023Cement Plant, Tehachapi, Southern California, ICBD01_024Eclipse Windmill, Wind Pump, water tank, hills, clouds, cattle, FMNV06P03_14Bconcrete arch-gravity dam, Glen Canyon Dam, Page, Arizona, TPHV02P01_02Arrow Rock Dam, concrete arch dam, Boise River, TPHV02P12_05Arrow Rock Dam, concrete arch dam, Boise River, TPHV02P12_06Arrow Rock Dam, concrete arch dam, Boise River, TPHV02P12_07TPHV02P12_08TPHV02P12_09Hills with Wind Power Towers, Tehachapi California, TPWD01_017Hills with Wind Power Towers, Tehachapi California, TPWD01_018Hills with Wind Power Towers, Tehachapi California, TPWD01_019State Highway 58, Hills with Wind Power Towers, Tehachapi California, freeway, TPWD01_020State Highway 58, Hills with Wind Power Towers, Tehachapi California, freeway, TPWD01_021Wind Turbine, fan, TPWD01_022Wind Turbine, fan, TPWD01_023Wind Turbine, fan, TPWD01_024Wind Turbine, fan, TPWD01_025Wind Turbine, fan, TPWD01_026Wind Turbine, fan, TPWD01_027Wind Turbine, fan, TPWD01_028Wind Turbine, fan, TPWD01_029Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_11Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_12Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_13Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_14Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_15Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_16Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_17Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_18Geodesic Dome, Wind Power, Sci-Arc, Santa Monica, ICCV03P07_19Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San solar thermal power station, Bernardino County, California, Mojave Desert, 2016, TPSD01_004Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_005Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, Mountains, 2016, TPSD01_006Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_007Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_008sign, signage, Ivanpah Solar Electric Generating System, facility, San Bernardino County, California, Mojave Desert, 2016, NRG Energy, TPSD01_009Ivanpah Solar Electric Generating System, NRG Energy, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_010Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_011Ivanpah Solar Electric Generating System, Boiler Towers, facility, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_012Boiler Tower, Ivanpah Solar Electric Generating System, facility, San Bernardino County, California, Mojave Desert, 2016, TPSD01_013Ivanpah Solar Electric Generating System, facility, Boiler Tower, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_014Ivanpah Solar Electric Generating System, facility, Boiler Tower, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_015Ivanpah Solar Electric Generating System, facility, Boiler Towers, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_016Boiler Tower, Ivanpah Solar Electric Generating System, facility, San Bernardino County, California, Mojave Desert, 2016, TPSD01_017Boiler Tower, Ivanpah Solar Electric Generating System, facility, San Bernardino County, California, Mojave Desert, 2016, TPSD01_018Ivanpah Solar Electric Generating System, facility, Boiler Tower, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_019Ivanpah Solar Electric Generating System, facility, Boiler Tower, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_020Eclipse Windmill, Paintography, FMND04_047Ivanpah Solar Electric Generating System, facility, Boiler Tower, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_021Ivanpah Solar Electric Generating System, facility, Boiler Tower, surrounded by sun-tracking mirrors, San Bernardino County, California, Mojave Desert, 2016, TPSD01_021BHomes, Houses, roofs, rooftops, Passive Solar Panels, TPSV01P02_18BTPWD01_030TPWD01_031TPWD01_032TPWD01_033TPWD01_034TPWD01_035TPWD01_036TPWD01_037TPWD01_038crab pots, TPWD01_039TPWD01_040crab pots, TPWD01_041The lonesome Railroad tracks, ties, rail, VRFD01_159Union Pacific Trainset, Altamont Pass California, June 1968, VRPV07P14_17Rio Vista, California, TPWD01_042Rio Vista, California, TPWD01_043Rio Vista, California, TPWD01_044Rio Vista, California, TPWD01_045Rio Vista, California, TPWD01_046Rio Vista, California, TPWD01_047Rio Vista, TPWD01_048Dry Falls of the Columbia, TPHV02P12_11Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P12_12TPHV02P12_13Franklin Roosevelt bust, pond, cars, memorial, trailer, Grand Coulee Dam, 1950s, TPHV02P12_14Norris Dam, Clinch River, TPHV02P12_15TPHV02P12_16TPHV02P12_17Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P12_18Water shoots out of the spillway, Hoover Dam, TPHV02P12_19Water Intake Towers, Hoover Dam, TPHV02P13_01Hoover Dam, cars, automobiles, 1940s, TPHV02P13_02Water Intake Towers, Hoover Dam, 1950s, TPHV02P13_03Francis turbine power generating units, Hoover Dam, TPHV02P13_04spillway, TPHV02P13_05TPHV02P13_06TPHV02P13_07TPHV02P13_08Shasta Dam, California, TPHV02P13_09Shasta Dam, California, TPHV02P13_10Turbulent Water of the Colorado River, Hoover Dam Power House, TPHV02P13_11Hoover Dam, TPHV02P13_12TPHV02P13_13Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P13_14Water Intake Tower, Hoover Dam, August 1964, 1960s, TPHV02P13_15Hoover Dam Power House, Colorado River, TPHV02P13_16Lookout Overhang, river, TPHV02P13_17TPHV02P13_18Bartlett Dam, Verde River, Arizona, TPHV02P13_19Bartlett Dam, Verde River, Arizona, TPHV02P14_01Bartlett Dam, Verde River, Arizona, TPHV02P14_02Bartlett Dam, Verde River, Arizona, TPHV02P14_03Glen Canyon Dam, Tonalea Coconino County, Arch-gravity dam, Colorado River, Lake Powell, TPHV02P14_04TPHV02P14_05Waterwheel, TPHV02P14_06Glen Canyon Dam, Tonalea Coconino County, Arch-gravity dam, Colorado River, TPHV02P14_07Glen Canyon Dam, Tonalea Coconino County, Arch-gravity dam, Colorado River, Lake Powell, TPHV02P14_08Bartlett Dam, Verde River, Arizona, TPHV02P14_09Bartlett Dam, Verde River, Arizona, TPHV02P14_10Grand Coulee Dam, Columbia River, TPHV02P14_11Grand Coulee Dam, Columbia River, TPHV02P14_12Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P14_13TPHV02P14_14TPHV02P14_15TPHV02P14_16TPHV02P14_17Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P14_18Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P14_19Grand Coulee Dam, Columbia River, color lights in the night, Gravity Dam, TPHV02P15_01Grand Coulee Dam, Columbia River, color lights in the night, Gravity Dam, TPHV02P15_02Grand Coulee Dam, Columbia River, color lights in the night, Gravity Dam, TPHV02P15_03Grand Coulee Dam, Columbia River, color lights in the night, Gravity Dam, TPHV02P15_04Grand Coulee Dam, Columbia River, color lights in the night, Gravity Dam, TPHV02P15_05Grand Coulee Dam, Columbia River, color lights in the night, Gravity Dam, TPHV02P15_06TPHV02P15_07Generator Turbine, TPHV02P15_08Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P14_13BLake Powell, Glen Canyon Dam, concrete arch-gravity dam, TPHV02P04_12BMabry Mill Water Wheel, CORV01P15_03CNW 7000, SD50, Chicago & Northwestern, Altamont Pass, August 1986, VRPV08P13_09TPHV01P02_10BTPHV01P02_19BTPHV01P07_11B.1716Cars, Pipeline, 1950s, TPHV02P15_09Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_049Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_050Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_051Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_052Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_053Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_054Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_055Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_056Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_057Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_058Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_059Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_060Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_061Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_062Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_063Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_064Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_065Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_066Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_067Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_068Spring Valley Wind Farm, White Pine County, Nevada, TPWD01_069TPHD01_007TPHD01_008TPHD01_009TPHD01_010Moccasin Dam, Tuolumne County, TPHD01_011Moccasin Dam, Tuolumne County, TPHD01_012Water Pipes, Moccasin Dam, Tuolumne County, TPHD01_013Water Pipes, Moccasin Dam, Tuolumne County, TPHD01_014Consumers Power Company, cars, TPNV01P09_14San Onofre Nuclear Power Plant, San Clemente, TPNV01P09_19Altamont Pass Wind Turbines, propellers, TPWD01_070Altamont Pass Wind Turbines, propellers, TPWD01_071Altamont Pass Wind Turbines, propellers, TPWD01_072Altamont Pass Wind Turbines, propellers, TPWD01_073Altamont Pass Wind Turbines, propellers, TPWD01_074SP 7308, Southern Pacific Daylight, Mojave, March 1989, VRPV08P14_09Mariner IV, Solar Panels, NASA, US Space Pavilion, spaceflight, PFWV04P11_13Intake Towers at Lake Mead, TPHV02P15_10
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