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Colorado River, Lake Mead, Hoover Dam, August 1997, TPHV01P15_12Hoover Dam, Water Intake, Lake Mead, Cars, TPHV01P15_13Hoover Dam, TPHV01P15_14Hoover Dam, TPHV01P15_15Pulleys, Cable, Wheels, Hoover Dam, TPHV01P15_16Pulleys, Cable, Wheels, Hoover Dam, TPHV01P15_17Pulleys, Cable, Wheels, Hoover Dam, TPHV01P15_18Pulleys, Cable, Wheels, Hoover Dam, Lake Mead, TPHV01P15_19Water Intake Towers, Lake Mead, Hoover Dam, Cars, TPHV02P01_01Glen Canyon Dam, concrete arch-gravity dam, Page, Arizona, TPHV02P01_02.0935concrete arch-gravity dam, Glen Canyon Dam, Page, Arizona, TPHV02P01_03.0935Glen Canyon Dam, concrete arch-gravity dam, Page, Arizona, TPHV02P01_04Shasta Dam, California, TPHV02P01_05Bubbling Water, river, Shasta Dam, Fresno County, California, TPHV02P01_06Shasta Dam, Shasta Lake, California, TPHV02P01_07Shasta Dam, Shasta Lake, California, TPHV02P01_08River, Shasta Dam, Shasta Lake, Summer, drought, California, TPHV02P01_09Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_10Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_11Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_12Pipeline, Salto Grande Hydroelectric Plant, clouds, Salto, TPHV02P01_13Salto Grande Hydroelectric Plant, Salto, TPHV02P01_14Kaplan Turbine, Rotor Turbine, Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_15Kaplan Turbine, Rotor Turbine, Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_16Water Intake Towers, Lake Mead, Hoover Dam, TPHV02P01_17Hoover Dam, Lake Mead, TPHV02P01_18Hoover Dam, Lake Mead, TPHV02P01_19Water Intake Towers, Lake Mead, Hoover Dam, Colorado River, TPHV02P02_01Water Intake Towers, Lake Mead, Hoover Dam, Colorado River, TPHV02P02_02Water Intake Towers, Lake Mead, Hoover Dam, Colorado River, TPHV02P02_03Water Intake Towers, Lake Mead, Hoover Dam, Colorado River, TPHV02P02_04Water Intake Towers, Lake Mead, Hoover Dam, Colorado River, TPHV02P02_05Water Intake Towers, Hoover Dam, Lake Mead, TPHV02P02_06Water Intake Towers, Hoover Dam, TPHV02P02_07water reflection of Water Intake Towers, Hoover Dam, TPHV02P02_08water reflection of Water Intake Towers, Hoover Dam, TPHV02P02_09water reflection of Water Intake Towers, Hoover Dam, TPHV02P02_10Water Intake Towers, Lake Mead, Hoover Dam, Colorado River, TPHV02P02_11Hills, Mountains, Water Reflection at Hoover Dam, TPHV02P02_12Water Intake Towers, Hoover Dam, TPHV02P02_13Water Intake Towers, Lake Mead, Hoover Dam, TPHV02P02_14Road Across Hoover Dam, TPHV02P02_15Art-deco Water Intake Towers, Hoover Dam, March 17 2000, TPHV02P02_16Water Intake Tower, Hoover Dam, TPHV02P02_17Water Intake Towers, Hoover Dam, Lake Mead, TPHV02P02_18Hoover Dam, TPHV02P02_19Hoover Dam, TPHV02P03_01Hoover Dam, TPHV02P03_02Hoover Dam, TPHV02P03_03Hoover Dam, TPHV02P03_04Hoover Dam, TPHV02P03_05The Dalles, Oregon, Columbia River, TPHV02P03_06Francis turbine, Hydropower, generator, Hoover Dam, TPHV01P02_18Aswan High Dam, Nile River, TPHV01P04_02BFlaming Gorge, Utah, TPHV01P04_08BFontana Dam, Little Tennessee River, North Carolina, TVA, Tennessee Valley Authority, TPHV01P14_02BAtaturk Dam, Euphrates River, Turkey, TPHV01P15_04BAtaturk Dam, Euphrates River, Turkey, TPHV01P15_04CAtaturk Dam, Euphrates River, Turkey, TPHV01P15_05BDSI, Ataturk Dam, Euphrates River, Turkey, Transmission Towers, Pylons, TPHV01P15_05CKaplan Turbine, Rotor Turbine, Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_15BKaplan Turbine, Rotor Turbine, Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_15CFrancis Turbine, Itapu Dam, Itaipu Dam, Brazil, Paraguay, TPHV02P04_06Adjustable Blade Turbines, Rocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_07Adjustable Blade Turbines, Rocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_07BRocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_08Rocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_08BRocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_08CRocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_09Rocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_09BRocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_09CGrand Coulee Dam, cars, Columbia River, Gravity Dam, 1950s, TPHV02P04_10Roosevelt Dam, Vintage, 1974, 1970s, TPHV02P04_11Roosevelt Dam, Vintage, 1974, 1970s, TPHV02P04_11BRoosevelt Dam, 1974, 1970s, TPHV02P04_11CLake Powell, Glen Canyon Dam, concrete arch-gravity dam, TPHV02P04_12Lake Powell, Glen Canyon Dam, concrete arch-gravity dam, TPHV02P04_13Lake Powell, Glen Canyon Dam, TPHV02P04_14Davis Dam, zoned earthfill dam, TPHV02P04_15Davis Dam, zoned earthfill dam, TPHV02P04_15BFriant Dam, San Joaquin River, Fresno County, Madera County, California, TPHV02P04_16Friant Dam, San Joaquin River, Fresno County, Madera County, California, TPHV02P04_16BFriant Dam, San Joaquin River, Fresno County, Madera County, California, TPHV02P04_17Friant Dam, San Joaquin River, Fresno County, Madera County, California, TPHV02P04_18San Vicente Dam, San Diego County, California, TPHV02P04_19San Vicente Dam, San Diego County, California, TPHV02P05_01San Vicente Dam, San Diego County, California, TPHV02P05_02San Vicente Dam, San Diego County, California, TPHV02P05_03San Vicente Dam, San Diego County, California, TPHV02P05_04San Vicente Dam, San Diego County, California, TPHV02P05_05San Vicente Dam, San Diego County, California, TPHV02P05_06San Vicente Dam, San Diego County, California, TPHV02P05_07San Vicente Dam, San Diego County, California, TPHV02P05_08Castaic Lake, Artificial Lake, Los Angeles County, California, USA, TPHV02P05_09Castaic Lake, Artificial Lake, Los Angeles County, California, USA, TPHV02P05_10Hetch-Hetchy Dam, Reservoir, Yosemite National Park, TPHD01_001Hetch-Hetchy Dam, Reservoir, Yosemite National Park, TPHD01_002Hetch-Hetchy Dam, Reservoir, Yosemite National Park, TPHD01_003Glen Canyon Dam, Page, Arizona, USA, TPHV01P05_11.2047TPHV02P06_04Columbia River, Grand Coulee Dam, Gravity Dam, TPHV02P06_05Bradbury Dam, originally named the Cachuma Dam, Santa Inez Valley, California, TPHV02P06_06Laccan Dam, River Spean, Scotland, TPHV02P06_07W A. C. Bennett Dam, TPHV02P06_08Gordon M. Shrum Generating Station, W A. C. Bennett Dam, TPHV02P06_09Water Intake Tower, Hoover Dam, Lake Mead, TPHV02P06_10Water Intake Tower, Hoover Dam, TPHV02P06_11Water Intake Tower, Hoover Dam, TPHV02P06_12Cars, Pickup Truck, Hoover Dam, TPHV02P06_13Hoover Dam, TPHV02P06_14Hoover Dam, TPHV02P06_15Hoover Dam, TPHV02P06_16Hoover Dam Model, arch bridge, diagram, TPHV02P06_17Kaplan Turbine Blades, Propeller, Rotor, Wells Dam, TPHV01P12_15Rotor, Kaplan Turbine Blades, Propeller, Wells Dam, TPHV01P12_15BPeople, Women, man, Sculpture, art deco, Hoover Dam, 1960s, TPHV02P05_11Hoover Dam, June 1959, TPHV02P05_12Hoover Dam, Colorado River, TPHV02P05_13Cadillac, cars, automobiles, vehicles, Hoover Dam, June 1959, 1950s, TPHV02P05_14Churning Outflow, Water at Hoover Dam, June 1959, TPHV02P05_15Allegheny Reservoir Outlook, 1967, 1960s, TPHV02P05_16Hoover Dam, TPHV02P05_17Hoover Dam, TPHV02P05_18Glen Canyon Dam, Colorado River, TPHV02P05_19Kinzua Dam, Allegheny Reservoir, Concrete, Warren Pennsylvania, New York, TPHV02P06_01Kinzua Dam, Allegheny Reservoir, Concrete, Warren Pennsylvania, New York, TPHV02P06_02Kinzua Dam, Allegheny Reservoir, Concrete, Warren Pennsylvania, New York, TPHV02P06_03Tennessee, TVA, Dam, TPHV02P06_18Tennessee, TVA, Dam, TPHV02P06_19Canadian Rockies, Water Intake Hole, TPHV02P07_01Water Intake Tower, Hoover Dam, September 1964, TPHV02P07_02Hoover Dam, TPHV02P07_03Ragged Hills, Hoover Dam, TPHV02P07_04Spillway, Hoover Dam, TPHV02P07_05Grider Hill, Kentucky, TPHV02P07_06TPHV02P07_07Snoqualmie Falls, Washington, Waterfall, TPHV02P07_08Robert Moses Power Dam, Niagara River, Robert Moses Niagara Power Plant, cars, June 1960, 1960s, TPHV02P07_09TPHV02P07_10Glen Canyon Dam, Page, Arizona, TPHV02P07_11Lake Powell, Glen Canyon Dam, concrete arch-gravity dam, Page Arizona, TPHV02P07_12Great Falls Dam, Montana, TPHV02P07_13Grand Coulee Dam, Washington, TPHV02P07_14Grand Coulee Dam, Washington, TPHV02P07_15Water Intake Tower, Hoover Dam, TPHV02P07_16High Level Water, Intake Tower, Hoover Dam, October 1989, TPHV02P07_17Libby Dam and Lake Koocanusa, Montana, TPHV02P07_18Yukon River Dam, Whitehorse, TPHV02P07_19Top of the Fish Ladder, bypass, Yukon River Dam, Whitehorse, TPHV02P08_01Top of the Fish Ladder, bypass, Yukon River Dam, Whitehorse, TPHV02P08_02Columbia River, John Day Locks, concrete gravity run-of-the-river dam, TPHV02P08_03Guillotine Gate, Columbia River, John Day Locks, TPHV02P08_04Columbia River, John Day Locks, TPHV02P08_05Columbia River, McNary Dam, TPHV02P08_06Columbia River, McNary Dam, TPHV02P08_07Columbia River, McNary Dam, Lock, TPHV02P08_08Columbia River, McNary Dam, Lock, TPHV02P08_09Columbia River, McNary Dam, Lock, Bridge, TPHV02P08_10Coolidge Dam, Gila River, water, reinforced concrete multiple dome and buttress dam, Arizona, TPHV02P08_11Water Runoff, Grand Tetons, Wyoming, TPHV02P08_12Blue Mesa Dam, Gunnison River, Colorado, TPHV02P08_13Blue Mesa Dam, Gunnison River, Colorado, TPHV02P08_14Blue Mesa Dam, Gunnison River, Colorado, TPHV02P08_15Blue Mesa Dam, Gunnison River, Colorado, TPHV02P08_16TPHV02P08_17Power Generating Turbine, Cutaway Model, Diagram, TPHV02P08_19dam, water, Jasper, Canada, TPHV02P09_01TPHV02P09_02Locks, Barge, TPHV02P09_03Locks, TPHV02P09_04Generator, Turbines, TPHV02P09_05TPHV02P09_06TPHV02P09_07Big Creek Number 5 104-005 Dam, Fresno County, California, TPHV02P09_08Big Creek Number 5 104-005 Dam, Fresno County, California, TPHV02P09_09Big Creek Number 5 104-005 Dam, Fresno County, California, TPHV02P09_10River, Valley, dam, Big Creek Number 5 104-005 Dam, Fresno County, California, TPHV02P09_11Fish Ladder, Bonneville Dam, Columbia River, TPHV02P09_12Fish Ladders, bypass, Bonneville Dam, Columbia River, TPHV02P09_13Bonneville Dam, Columbia River, Oregon, Washington State, TPHV02P09_14Alder Dam Signage, Washington, TPHV02P09_15Diablo Dome, Ross Lake Dam, water release, TPHV02P09_16Generator, Ross Lake Dam, TPHV02P09_17Ross Lake Dam, TPHV02P09_18Control Room, Ross Lake Dam, June 1991, TPHV02P09_19Glenn Falls, TPHV02P10_01Waitaki River, TPHV02P10_02TPHV02P10_03Kings River, TPHV02P10_04overlook, Hoover Dam, TPHV02P10_11Francis Turbine Generators, Hoover Dam, TPHV02P10_12Lake Mead Water, Hoover Dam, TPHV02P10_13Hoover Dam, TPHV02P10_14Colorado River, Hoover Dam, Exit Ports, TPHV02P10_15Colorado River, Hoover Dam, Exit Ports, TPHV02P10_16Robert Moses Power Dam, Niagara River, TPHV02P10_18Robert Moses Power Dam, Niagara River, Robert Moses Niagara Power Plant, TPHV02P10_19Robert Moses Power Dam, Niagara River, Robert Moses Niagara Power Plant, TPHV02P11_01Fish Ladder, bypass, Bonneville Dam, TPHV02P11_02Colorado River, Hoover Dam, TPHV02P10_17TPHV02P11_03Roosevelt Dam, Vintage, 1974, 1970s, TPHV02P11_04Roosevelt Dam, Vintage, 1974, 1970s, TPHV02P11_05Lake Almanor, Plumas County, TPHV02P03_07Lake Almanor, Plumas County, TPHV02P03_08Lake Almanor, Plumas County, TPHV02P03_09Feather River Canyon Dam, California, TPHV02P03_10Feather River Canyon, Dam, California, TPHV02P03_11Feather River Canyon, California, TPHV02P03_12Feather River Canyon, California, TPHV02P03_13Feather River Canyon, California, TPHV02P03_14Feather River Canyon, California, TPHV02P03_15Feather River Canyon, California, TPHV02P03_16Feather River Canyon, California, TPHV02P03_17Feather River Canyon, California, TPHV02P03_18Feather River Canyon, California, TPHV02P03_19Feather River Canyon, California, TPHV02P04_01Feather River Canyon, California, TPHV02P04_02Feather River Canyon, California, TPHV02P04_03Feather River Canyon, California, TPHV02P04_04Feather River Canyon, California, TPHV02P04_05TPHV02P08_18TPHV02P10_06Bleeker Power & Light, Water Wheel, Tobago, Sluice, waterwheel, flume, TPHV02P11_06Water Intake Towers, Hoover Dam, Colorado River, TPHV02P11_10Hinkley Dam, New York State, TPHV02P11_11TPHV02P11_12TPHV02P11_13Power House, Hoover Dam, Colorado River, TPHV02P11_14Glen Canyon Bridge, Colorado River, TPHV02P11_15Garrison Dam and Reservoir, TPHV02P11_16TPHV02P11_17Power House, Hoover Dam, Colorado River, TPHV02P11_18Shasta Dam, California, Shasta Lake, TPHV02P11_19Dam, Andorra, Europe, TPHV02P12_01Water Intake Towers, Hoover Dam, Colorado River, TPHV02P12_02Power House, Hoover Dam, Colorado River, TPHV02P12_03Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P12_04Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P11_07Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P11_08Water Intake Towers, Hoover Dam, Colorado River, S-CURVE ROAD, TPHV02P11_09Sanford Dam, Canadian River Project, CRMWA, Rolled earthfill dam, TPHV02P10_05TPHV02P10_07Water Pump, California Aqueduct System, TPHV02P10_08Water 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_006concrete 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_09Dry 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_19
Colorado River, Lake Mead, Hoover Dam, August 1997, TPHV01P15_12Hoover Dam, Water Intake, Lake Mead, Cars, TPHV01P15_13Hoover Dam, TPHV01P15_14Hoover Dam, TPHV01P15_15Pulleys, Cable, Wheels, Hoover Dam, TPHV01P15_16Pulleys, Cable, Wheels, Hoover Dam, TPHV01P15_17Pulleys, Cable, Wheels, Hoover Dam, TPHV01P15_18Pulleys, Cable, Wheels, Hoover Dam, Lake Mead, TPHV01P15_19Water Intake Towers, Lake Mead, Hoover Dam, Cars, TPHV02P01_01Glen Canyon Dam, concrete arch-gravity dam, Page, Arizona, TPHV02P01_02.0935concrete arch-gravity dam, Glen Canyon Dam, Page, Arizona, TPHV02P01_03.0935Glen Canyon Dam, concrete arch-gravity dam, Page, Arizona, TPHV02P01_04Shasta Dam, California, TPHV02P01_05Bubbling Water, river, Shasta Dam, Fresno County, California, TPHV02P01_06Shasta Dam, Shasta Lake, California, TPHV02P01_07Shasta Dam, Shasta Lake, California, TPHV02P01_08River, Shasta Dam, Shasta Lake, Summer, drought, California, TPHV02P01_09Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_10Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_11Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_12Pipeline, Salto Grande Hydroelectric Plant, clouds, Salto, TPHV02P01_13Salto Grande Hydroelectric Plant, Salto, TPHV02P01_14Kaplan Turbine, Rotor Turbine, Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_15Kaplan Turbine, Rotor Turbine, Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_16Water Intake Towers, Lake Mead, Hoover Dam, TPHV02P01_17Hoover Dam, Lake Mead, TPHV02P01_18Hoover Dam, Lake Mead, TPHV02P01_19Water Intake Towers, Lake Mead, Hoover Dam, Colorado River, TPHV02P02_01Water Intake Towers, Lake Mead, Hoover Dam, Colorado River, TPHV02P02_02Water Intake Towers, Lake Mead, Hoover Dam, Colorado River, TPHV02P02_03Water Intake Towers, Lake Mead, Hoover Dam, Colorado River, TPHV02P02_04Water Intake Towers, Lake Mead, Hoover Dam, Colorado River, TPHV02P02_05Water Intake Towers, Hoover Dam, Lake Mead, TPHV02P02_06Water Intake Towers, Hoover Dam, TPHV02P02_07water reflection of Water Intake Towers, Hoover Dam, TPHV02P02_08water reflection of Water Intake Towers, Hoover Dam, TPHV02P02_09water reflection of Water Intake Towers, Hoover Dam, TPHV02P02_10Water Intake Towers, Lake Mead, Hoover Dam, Colorado River, TPHV02P02_11Hills, Mountains, Water Reflection at Hoover Dam, TPHV02P02_12Water Intake Towers, Hoover Dam, TPHV02P02_13Water Intake Towers, Lake Mead, Hoover Dam, TPHV02P02_14Road Across Hoover Dam, TPHV02P02_15Art-deco Water Intake Towers, Hoover Dam, March 17 2000, TPHV02P02_16Water Intake Tower, Hoover Dam, TPHV02P02_17Water Intake Towers, Hoover Dam, Lake Mead, TPHV02P02_18Hoover Dam, TPHV02P02_19Hoover Dam, TPHV02P03_01Hoover Dam, TPHV02P03_02Hoover Dam, TPHV02P03_03Hoover Dam, TPHV02P03_04Hoover Dam, TPHV02P03_05The Dalles, Oregon, Columbia River, TPHV02P03_06Francis turbine, Hydropower, generator, Hoover Dam, TPHV01P02_18Aswan High Dam, Nile River, TPHV01P04_02BFlaming Gorge, Utah, TPHV01P04_08BFontana Dam, Little Tennessee River, North Carolina, TVA, Tennessee Valley Authority, TPHV01P14_02BAtaturk Dam, Euphrates River, Turkey, TPHV01P15_04BAtaturk Dam, Euphrates River, Turkey, TPHV01P15_04CAtaturk Dam, Euphrates River, Turkey, TPHV01P15_05BDSI, Ataturk Dam, Euphrates River, Turkey, Transmission Towers, Pylons, TPHV01P15_05CKaplan Turbine, Rotor Turbine, Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_15BKaplan Turbine, Rotor Turbine, Salto Grande Hydroelectric Plant, Salto Grande Bi-National Hydroelectric Centra, Salto, TPHV02P01_15CFrancis Turbine, Itapu Dam, Itaipu Dam, Brazil, Paraguay, TPHV02P04_06Adjustable Blade Turbines, Rocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_07Adjustable Blade Turbines, Rocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_07BRocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_08Rocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_08BRocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_08CRocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_09Rocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_09BRocky Reach Dam, Chelan - Douglas counties, Washington, TPHV02P04_09CGrand Coulee Dam, cars, Columbia River, Gravity Dam, 1950s, TPHV02P04_10Roosevelt Dam, Vintage, 1974, 1970s, TPHV02P04_11Roosevelt Dam, Vintage, 1974, 1970s, TPHV02P04_11BRoosevelt Dam, 1974, 1970s, TPHV02P04_11CLake Powell, Glen Canyon Dam, concrete arch-gravity dam, TPHV02P04_12Lake Powell, Glen Canyon Dam, concrete arch-gravity dam, TPHV02P04_13Lake Powell, Glen Canyon Dam, TPHV02P04_14Davis Dam, zoned earthfill dam, TPHV02P04_15Davis Dam, zoned earthfill dam, TPHV02P04_15BFriant Dam, San Joaquin River, Fresno County, Madera County, California, TPHV02P04_16Friant Dam, San Joaquin River, Fresno County, Madera County, California, TPHV02P04_16BFriant Dam, San Joaquin River, Fresno County, Madera County, California, TPHV02P04_17Friant Dam, San Joaquin River, Fresno County, Madera County, California, TPHV02P04_18San Vicente Dam, San Diego County, California, TPHV02P04_19San Vicente Dam, San Diego County, California, TPHV02P05_01San Vicente Dam, San Diego County, California, TPHV02P05_02San Vicente Dam, San Diego County, California, TPHV02P05_03San Vicente Dam, San Diego County, California, TPHV02P05_04San Vicente Dam, San Diego County, California, TPHV02P05_05San Vicente Dam, San Diego County, California, TPHV02P05_06San Vicente Dam, San Diego County, California, TPHV02P05_07San Vicente Dam, San Diego County, California, TPHV02P05_08Castaic Lake, Artificial Lake, Los Angeles County, California, USA, TPHV02P05_09Castaic Lake, Artificial Lake, Los Angeles County, California, USA, TPHV02P05_10Hetch-Hetchy Dam, Reservoir, Yosemite National Park, TPHD01_001Hetch-Hetchy Dam, Reservoir, Yosemite National Park, TPHD01_002Hetch-Hetchy Dam, Reservoir, Yosemite National Park, TPHD01_003Glen Canyon Dam, Page, Arizona, USA, TPHV01P05_11.2047TPHV02P06_04Columbia River, Grand Coulee Dam, Gravity Dam, TPHV02P06_05Bradbury Dam, originally named the Cachuma Dam, Santa Inez Valley, California, TPHV02P06_06Laccan Dam, River Spean, Scotland, TPHV02P06_07W A. C. Bennett Dam, TPHV02P06_08Gordon M. Shrum Generating Station, W A. C. Bennett Dam, TPHV02P06_09Water Intake Tower, Hoover Dam, Lake Mead, TPHV02P06_10Water Intake Tower, Hoover Dam, TPHV02P06_11Water Intake Tower, Hoover Dam, TPHV02P06_12Cars, Pickup Truck, Hoover Dam, TPHV02P06_13Hoover Dam, TPHV02P06_14Hoover Dam, TPHV02P06_15Hoover Dam, TPHV02P06_16Hoover Dam Model, arch bridge, diagram, TPHV02P06_17Kaplan Turbine Blades, Propeller, Rotor, Wells Dam, TPHV01P12_15Rotor, Kaplan Turbine Blades, Propeller, Wells Dam, TPHV01P12_15BPeople, Women, man, Sculpture, art deco, Hoover Dam, 1960s, TPHV02P05_11Hoover Dam, June 1959, TPHV02P05_12Hoover Dam, Colorado River, TPHV02P05_13Cadillac, cars, automobiles, vehicles, Hoover Dam, June 1959, 1950s, TPHV02P05_14Churning Outflow, Water at Hoover Dam, June 1959, TPHV02P05_15Allegheny Reservoir Outlook, 1967, 1960s, TPHV02P05_16Hoover Dam, TPHV02P05_17Hoover Dam, TPHV02P05_18Glen Canyon Dam, Colorado River, TPHV02P05_19Kinzua Dam, Allegheny Reservoir, Concrete, Warren Pennsylvania, New York, TPHV02P06_01Kinzua Dam, Allegheny Reservoir, Concrete, Warren Pennsylvania, New York, TPHV02P06_02Kinzua Dam, Allegheny Reservoir, Concrete, Warren Pennsylvania, New York, TPHV02P06_03Tennessee, TVA, Dam, TPHV02P06_18Tennessee, TVA, Dam, TPHV02P06_19Canadian Rockies, Water Intake Hole, TPHV02P07_01Water Intake Tower, Hoover Dam, September 1964, TPHV02P07_02Hoover Dam, TPHV02P07_03Ragged Hills, Hoover Dam, TPHV02P07_04Spillway, Hoover Dam, TPHV02P07_05Grider Hill, Kentucky, TPHV02P07_06TPHV02P07_07Snoqualmie Falls, Washington, Waterfall, TPHV02P07_08Robert Moses Power Dam, Niagara River, Robert Moses Niagara Power Plant, cars, June 1960, 1960s, TPHV02P07_09TPHV02P07_10Glen Canyon Dam, Page, Arizona, TPHV02P07_11Lake Powell, Glen Canyon Dam, concrete arch-gravity dam, Page Arizona, TPHV02P07_12Great Falls Dam, Montana, TPHV02P07_13Grand Coulee Dam, Washington, TPHV02P07_14Grand Coulee Dam, Washington, TPHV02P07_15Water Intake Tower, Hoover Dam, TPHV02P07_16High Level Water, Intake Tower, Hoover Dam, October 1989, TPHV02P07_17Libby Dam and Lake Koocanusa, Montana, TPHV02P07_18Yukon River Dam, Whitehorse, TPHV02P07_19Top of the Fish Ladder, bypass, Yukon River Dam, Whitehorse, TPHV02P08_01Top of the Fish Ladder, bypass, Yukon River Dam, Whitehorse, TPHV02P08_02Columbia River, John Day Locks, concrete gravity run-of-the-river dam, TPHV02P08_03Guillotine Gate, Columbia River, John Day Locks, TPHV02P08_04Columbia River, John Day Locks, TPHV02P08_05Columbia River, McNary Dam, TPHV02P08_06Columbia River, McNary Dam, TPHV02P08_07Columbia River, McNary Dam, Lock, TPHV02P08_08Columbia River, McNary Dam, Lock, TPHV02P08_09Columbia River, McNary Dam, Lock, Bridge, TPHV02P08_10Coolidge Dam, Gila River, water, reinforced concrete multiple dome and buttress dam, Arizona, TPHV02P08_11Water Runoff, Grand Tetons, Wyoming, TPHV02P08_12Blue Mesa Dam, Gunnison River, Colorado, TPHV02P08_13Blue Mesa Dam, Gunnison River, Colorado, TPHV02P08_14Blue Mesa Dam, Gunnison River, Colorado, TPHV02P08_15Blue Mesa Dam, Gunnison River, Colorado, TPHV02P08_16TPHV02P08_17Power Generating Turbine, Cutaway Model, Diagram, TPHV02P08_19dam, water, Jasper, Canada, TPHV02P09_01TPHV02P09_02Locks, Barge, TPHV02P09_03Locks, TPHV02P09_04Generator, Turbines, TPHV02P09_05TPHV02P09_06TPHV02P09_07Big Creek Number 5 104-005 Dam, Fresno County, California, TPHV02P09_08Big Creek Number 5 104-005 Dam, Fresno County, California, TPHV02P09_09Big Creek Number 5 104-005 Dam, Fresno County, California, TPHV02P09_10River, Valley, dam, Big Creek Number 5 104-005 Dam, Fresno County, California, TPHV02P09_11Fish Ladder, Bonneville Dam, Columbia River, TPHV02P09_12Fish Ladders, bypass, Bonneville Dam, Columbia River, TPHV02P09_13Bonneville Dam, Columbia River, Oregon, Washington State, TPHV02P09_14Alder Dam Signage, Washington, TPHV02P09_15Diablo Dome, Ross Lake Dam, water release, TPHV02P09_16Generator, Ross Lake Dam, TPHV02P09_17Ross Lake Dam, TPHV02P09_18Control Room, Ross Lake Dam, June 1991, TPHV02P09_19Glenn Falls, TPHV02P10_01Waitaki River, TPHV02P10_02TPHV02P10_03Kings River, TPHV02P10_04overlook, Hoover Dam, TPHV02P10_11Francis Turbine Generators, Hoover Dam, TPHV02P10_12Lake Mead Water, Hoover Dam, TPHV02P10_13Hoover Dam, TPHV02P10_14Colorado River, Hoover Dam, Exit Ports, TPHV02P10_15Colorado River, Hoover Dam, Exit Ports, TPHV02P10_16Robert Moses Power Dam, Niagara River, TPHV02P10_18Robert Moses Power Dam, Niagara River, Robert Moses Niagara Power Plant, TPHV02P10_19Robert Moses Power Dam, Niagara River, Robert Moses Niagara Power Plant, TPHV02P11_01Fish Ladder, bypass, Bonneville Dam, TPHV02P11_02Colorado River, Hoover Dam, TPHV02P10_17TPHV02P11_03Roosevelt Dam, Vintage, 1974, 1970s, TPHV02P11_04Roosevelt Dam, Vintage, 1974, 1970s, TPHV02P11_05Lake Almanor, Plumas County, TPHV02P03_07Lake Almanor, Plumas County, TPHV02P03_08Lake Almanor, Plumas County, TPHV02P03_09Feather River Canyon Dam, California, TPHV02P03_10Feather River Canyon, Dam, California, TPHV02P03_11Feather River Canyon, California, TPHV02P03_12Feather River Canyon, California, TPHV02P03_13Feather River Canyon, California, TPHV02P03_14Feather River Canyon, California, TPHV02P03_15Feather River Canyon, California, TPHV02P03_16Feather River Canyon, California, TPHV02P03_17Feather River Canyon, California, TPHV02P03_18Feather River Canyon, California, TPHV02P03_19Feather River Canyon, California, TPHV02P04_01Feather River Canyon, California, TPHV02P04_02Feather River Canyon, California, TPHV02P04_03Feather River Canyon, California, TPHV02P04_04Feather River Canyon, California, TPHV02P04_05TPHV02P08_18TPHV02P10_06Bleeker Power & Light, Water Wheel, Tobago, Sluice, waterwheel, flume, TPHV02P11_06Water Intake Towers, Hoover Dam, Colorado River, TPHV02P11_10Hinkley Dam, New York State, TPHV02P11_11TPHV02P11_12TPHV02P11_13Power House, Hoover Dam, Colorado River, TPHV02P11_14Glen Canyon Bridge, Colorado River, TPHV02P11_15Garrison Dam and Reservoir, TPHV02P11_16TPHV02P11_17Power House, Hoover Dam, Colorado River, TPHV02P11_18Shasta Dam, California, Shasta Lake, TPHV02P11_19Dam, Andorra, Europe, TPHV02P12_01Water Intake Towers, Hoover Dam, Colorado River, TPHV02P12_02Power House, Hoover Dam, Colorado River, TPHV02P12_03Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P12_04Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P11_07Grand Coulee Dam, Columbia River, Gravity Dam, TPHV02P11_08Water Intake Towers, Hoover Dam, Colorado River, S-CURVE ROAD, TPHV02P11_09Sanford Dam, Canadian River Project, CRMWA, Rolled earthfill dam, TPHV02P10_05TPHV02P10_07Water Pump, California Aqueduct System, TPHV02P10_08Water 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_006concrete 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_09Dry 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_19
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