Shoshone Falls Hydroelectric Project, Tunnel and Penstock, North Bank ...
Significance: The concrete-lined tunnel was among the first, if not the first, permanent components of the Shoshone Falls Project. Begun in 1901, it took more than three years and several changes of ownership b... More
Swan Falls Dam, Restroom, Snake River, Kuna, Ada County, ID
For written descriptive information, see narrative report on Swan Falls Dam, HAER ID-20. Significance: Swan Falls Dam was the first hydroelectric dam on Snake River in Idaho, and one of the earliest built in th... More
Shoshone Falls Hydroelectric Project, Stone Cellar, North Bank of Snak...
Significance: It was the second building constructed in 1921 by the Idaho Power Company as part of its 1920-21 expansion of the hydroelectric facility. This low-slung stone building, which butts up against the ... More
Shoshone Falls Hydroelectric Project, Shoshone Substation/Switchyard, ...
Significance: It was the origination point of several 44kV lines that transmitted electricity to Oakley, Twin Falls, Malad, Lower Salmon, and Thousand Springs, ID. It was among the first improvements implemente... More
Shoshone Falls Hydroelectric Project, Tailrace, North Bank of Snake Ri...
Significance: It provides for the discharge of wastewater from the two powerhouses. The tailrace represents the furthest downstream component of the hydroelectric facility and the final component through which ... More
Shoshone Falls Hydroelectric Project, Garage & Celler, North Bank of S...
Significance: It was the first building constructed in 1927 by the Idaho Power Company during its 1926-1927 expansion of the Shoshone Falls Hydroelectric Project. This stone building originally served as a gara... More
Swan Falls Dam, House, Snake River, Kuna, Ada County, ID
For written descriptive information, see narrative report on Swan Falls Dam, HAER ID-20. Significance: Swan Falls Dam was the first hydroelectric dam on Snake River in Idaho, and one of the earliest built in th... More
Swan Falls Dam, House, Snake River, Kuna, Ada County, ID
For written descriptive information, see narrative report on Swan Falls Dam, HAER ID-20. Significance: Swan Falls Dam was the first hydroelectric dam on Snake River in Idaho, and one of the earliest built in th... More
Swan Falls Dam, Wood Shop, Snake River, Kuna, Ada County, ID
For written descriptive information, see narrative report on Swan Falls Dam, HAER ID-20. Significance: Swan Falls Dam was the first hydroelectric dam on Snake River in Idaho, and one of the earliest built in th... More
Swan Falls Dam, Wood Shop, Snake River, Kuna, Ada County, ID
For written descriptive information, see narrative report on Swan Falls Dam, HAER ID-20. Significance: Swan Falls Dam was the first hydroelectric dam on Snake River in Idaho, and one of the earliest built in th... More
Swan Falls Dam, Wood Shop, Snake River, Kuna, Ada County, ID
For written descriptive information, see narrative report on Swan Falls Dam, HAER ID-20. Significance: Swan Falls Dam was the first hydroelectric dam on Snake River in Idaho, and one of the earliest built in th... More
Swan Falls Dam, Wood Shop, Snake River, Kuna, Ada County, ID
For written descriptive information, see narrative report on Swan Falls Dam, HAER ID-20. Significance: Swan Falls Dam was the first hydroelectric dam on Snake River in Idaho, and one of the earliest built in th... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More