Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... More
Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... More
Morony Hydroelectric Facility, Morony-to-Rainbow 100 kV Transmission L...
Significance: The transmission line played an integral role in the growth of Montana's electrical and mining industries in the first half of the twentieth century. Its construction enabled the transmission of h... More
Central Power Station, Puget Sound Naval Shipyard, Bremerton, Kitsap C...
Significance: The Central Power Station at Puget Sound Naval Shipyard was constructed in 1910 as the Shipyard's first Central Steam/Power Station. It was the principal power plant for the buildings and equipme... More
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
Snoqualmie Falls Hydroelectric Project, Cottage No. 4, .5 mile north o...
Significance: Construction of the Snoqualmie Falls Hydroelectric Project began in 1898 near the falls of the falls of the Snoqualmie River. It was the first power plant successfully constructed completely under... More
Ellsworth Air Force Base, Rushmore Air Force Station, Steam Plant Buil...
This structure was demolished in 1996. Significance: The Rushmore Air Force Station Steam Plant Building is significant for its association with American Military policy during the Cold War years of the early 1... More
Ellsworth Air Force Base, Rushmore Air Force Station, Steam Plant Buil...
This structure was demolished in 1996. Significance: The Rushmore Air Force Station Steam Plant Building is significant for its association with American Military policy during the Cold War years of the early 1... More
Montana-Dakota Utilities Building, 2603 2nd Avenue North, Billings, Ye...
STORED ON SITE. mchr Significance: It is significant for the supportive role the growing power company played in the development of Billings and for the strong clarity of architectural expression typical of the... More
Big Creek Hydroelectric System, Big Creek Town, Operator House, Orchar...
Significance: Operator house (building 105) was one of four operator houses built in Cascada (later Big Creek) adjacent to Powerhouse No. 1 in 1912-1913. These were the first permanent operator houses in the B... More
Snoqualmie Falls Hydroelectric Project, .5 mile north of Snoqualmie, S...
Significance: The Snoqualmie Falls Hydroelectric Project was completed in 1898 and includes a cavity generating station, constructed some 250 feet below the surface of the river and about 300 feet from the edge... More
Ames Hydroelectric Plant, Ames, San Miguel County, CO
Significance: In 1890-91 L.L. Nunn built the world's first single-phase AC power transmission system at Ames in order to power the nearby Gold King Mine's stamp mill. The plant operated under a head of 320 feet... More
Snoqualmie Falls Hydroelectric Project, Transformer House, .5 mile nor...
Significance: Construction of the Snoqualmie Falls Hydroelectric Project began in 1898 near the falls of the falls of the Snoqualmie River. It was the first power plant successfully constructed completely under... More
Snoqualmie Falls Hydroelectric Project, Intake Two, Tunnel Portals, Fo...
Significance: Construction of the Snoqualmie Falls Hydroelectric Project began in 1898 near the falls of the falls of the Snoqualmie River. It was the first power plant successfully constructed completely under... More
Folsom Powerhouse, Adjacent to American River, Folsom, Sacramento Coun...
Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description
Folsom Powerhouse, Adjacent to American River, Folsom, Sacramento Coun...
Picryl description: Public domain image of a quarry, excavation or mining site, free to use, no copyright restrictions.
Folsom Powerhouse, Adjacent to American River, Folsom, Sacramento Coun...
Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description
Folsom Powerhouse, Adjacent to American River, Folsom, Sacramento Coun...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Folsom Powerhouse, Adjacent to American River, Folsom, Sacramento Coun...
Picryl description: Public domain image of an industrial building interior, power generator, furnace, boiler, 20th-century architecture, free to use, no copyright restrictions.
Folsom Powerhouse, Adjacent to American River, Folsom, Sacramento Coun...
Picryl description: Public domain image of a rural landscape with a watermill, water, decayed building, 18th, 19th century architecture, free to use, no copyright restrictions.
Folsom Powerhouse, Adjacent to American River, Folsom, Sacramento Coun...
Picryl description: Public domain image of a residential building, house, 19th-20th century architecture, free to use, no copyright restrictions.
Bay City Traction & Electric Company, Power Station, 301 Washington St...
Significance: the Bay City Traction and Electric Power Company Power Station was constructed as a steam generating plant providing power for interurban electric traction transportation in Bay City. This buildin... More
Alcatraz, Power Plant, Alcatraz Island, San Francisco Bay, San Francis...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Croton Hydroelectric Plant, Substation, Croton Dam Road at Muskegon Ri...
Significance: The Croton Hydroelectric Plant substation was constructed in 1930-31 to replace the original switching equipment and transformers built in 1908 and located inside of the original powerhouse. This... More
Croton Hydroelectric Plant, Substation, Croton Dam Road at Muskegon Ri...
Significance: The Croton Hydroelectric Plant substation was constructed in 1930-31 to replace the original switching equipment and transformers built in 1908 and located inside of the original powerhouse. This... More
Allen Park Veterans Administration Hospital, Building No. 10, Southfie...
Significance: Building 10, the Boiler House, was the first structure completed at the Allen Park Veterans Administration Hospital in 1938. Before the hospital could be opened, the complex first needed power an... More
Hoover Dam, Cable Hoist House, U.S. Highway 93, Boulder City, Clark Co...
Significance: It provided access to control cable tunnels from the power plant to the switchyard relay house, and a transformer in the lower level of the hoist house provided operating electricity to the switch... More
Hoover Dam, Los Angeles Bureau of Power & Light Lines 1-3, U.S. Highwa...
Significance: The transmission lines included pioneering technology in high-voltage transmission. The lines were crucial elements of the Hoover Dam electrical complex, particularly in the role played by Hoover ... More
Hoover Dam, Los Angeles Bureau of Power & Light Lines 1-3, U.S. Highwa...
Significance: The transmission lines included pioneering technology in high-voltage transmission. The lines were crucial elements of the Hoover Dam electrical complex, particularly in the role played by Hoover ... More
Georgia Power Atlanta Division Building, 143 Alabama Street, Atlanta, ...
Significance: This Art Moderne six story Flemish bond brick, marble, and limestone building features a flat roof, rounded corners, and horizontal bands of windows. The building was known as the Atlanta Constit... More
Snoqualmie Falls Hydroelectric Project, Machine Shop, .5 mile north of...
Significance: Construction of the Snoqualmie Falls Hydroelectric Project began in 1898 near the falls of the falls of the Snoqualmie River. It was the first power plant successfully constructed completely under... More
Triangle Building, 1333 Warren Avenue & 1300 Broadway, Columbus, Musco...
Significance: Architecture: The only "flat-iron" building in Columbus, this structure uses the mansard-type tile roof reminiscent of Spanish Architecture. A modern building for the 1920s in Columbus, it uses ca... More
Hauser Hydroelectric Facility, Powerhouse, East Bank of Missouri River...
Significance: The Hauser Hydroelectric Facility Historic District is significant for its association with the industrial development of Montana in the early twentieth century and the consolidation of most of th... More
Rush Creek Hydroelectric System, Worker Cottage, Rush Creek, June Lake...
Significance: Building 104 is one of the earliest Rush Creek worker cottages. Designed by the Riverside, California architect, W.C. Tanner, it combines Craftsman Bungalow and English Cottage styles. The Rush ... More
Rush Creek Hydroelectric System, Worker Cottage, Rush Creek, June Lake...
Significance: Building 104 is one of the earliest Rush Creek worker cottages. Designed by the Riverside, California architect, W.C. Tanner, it combines Craftsman Bungalow and English Cottage styles. The Rush ... More
Swan Falls Dam, Blacksmith Shop & Annex, Snake River, Kuna, Ada County...
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, Blacksmith Shop & Annex, Snake River, Kuna, Ada County...
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
Milwaukee Light, Heat & Traction Company, 8336 West Lapham Street, Wes...
Significance: A turn of the century objective of The Milwaukee Electric Railway and Light Company, through its subsidiary The Milwaukee Light Heat and Traction Company, was to establish an interurban rail syste... More
Milwaukee Light, Heat & Traction Company, 8336 West Lapham Street, Wes...
Significance: A turn of the century objective of The Milwaukee Electric Railway and Light Company, through its subsidiary The Milwaukee Light Heat and Traction Company, was to establish an interurban rail syste... More
Stanley R. Mickelsen Safeguard Complex, Perimeter Acquisition Radar Po...
Significance: The Perimeter Acquisition Radar Power Plant (PARPP) houses the power generator equipment, transformers, controls, and switch gear and provides electrical energy and other utilities to the PARB. S... More
Big Creek Hydroelectric System, Big Creek Town, Operator House Garage,...
Survey number: HAER CA-167-D Public domain photograph of hydroelectric power station, free to use, no copyright restrictions image - Picryl description
Big Creek Hydroelectric System, Big Creek Town, Operator House Garage,...
Survey number: HAER CA-167-D Public domain photograph of hydroelectric power station, free to use, no copyright restrictions image - Picryl description
Strawberry Valley Project, Payson, Utah County, UT
Significance: As the first project built by the U.S. Reclamation Service in Utah, the Strawberry Valley Project had a major impact on the State. It represents the beginning of Federal assistance in water devel... More
Strawberry Valley Project, Payson, Utah County, UT
Significance: As the first project built by the U.S. Reclamation Service in Utah, the Strawberry Valley Project had a major impact on the State. It represents the beginning of Federal assistance in water devel... More
Strawberry Valley Project, Payson, Utah County, UT
Significance: As the first project built by the U.S. Reclamation Service in Utah, the Strawberry Valley Project had a major impact on the State. It represents the beginning of Federal assistance in water devel... More
Strawberry Valley Project, Payson, Utah County, UT
Significance: As the first project built by the U.S. Reclamation Service in Utah, the Strawberry Valley Project had a major impact on the State. It represents the beginning of Federal assistance in water devel... More
Strawberry Valley Project, Payson, Utah County, UT
Significance: As the first project built by the U.S. Reclamation Service in Utah, the Strawberry Valley Project had a major impact on the State. It represents the beginning of Federal assistance in water devel... More
Strawberry Valley Project, Payson, Utah County, UT
Significance: As the first project built by the U.S. Reclamation Service in Utah, the Strawberry Valley Project had a major impact on the State. It represents the beginning of Federal assistance in water devel... More
Strawberry Valley Project, Payson, Utah County, UT
Significance: As the first project built by the U.S. Reclamation Service in Utah, the Strawberry Valley Project had a major impact on the State. It represents the beginning of Federal assistance in water devel... More
Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...
Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... More
Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...
Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... More
Richmond Hill Plantation, East of Richmond Hill on Ford Neck Road, Ric...
Significance: Henry Ford's personal estate, listed on the National Register of Historic Places. Survey number: HABS GA-2348 Building/structure dates: 1935-1937 Initial Construction Building/structure dates: ... More
Richmond Hill Plantation, East of Richmond Hill on Ford Neck Road, Ric...
Significance: Henry Ford's personal estate, listed on the National Register of Historic Places. Survey number: HABS GA-2348 Building/structure dates: 1935-1937 Initial Construction Building/structure dates: ... More
Roosevelt Power Canal & Diversion Dam, Parallels Salt River, Roosevelt...
Significance: The Roosevelt Power Canal was built as an integral part of the Salt River Project and represents the U. S. Reclamation Service's first involvement in the construction of hydroelectric power facili... More
Roosevelt Power Canal & Diversion Dam, Parallels Salt River, Roosevelt...
Significance: The Roosevelt Power Canal was built as an integral part of the Salt River Project and represents the U. S. Reclamation Service's first involvement in the construction of hydroelectric power facili... More
Roosevelt Power Canal & Diversion Dam, Parallels Salt River, Roosevelt...
Significance: The Roosevelt Power Canal was built as an integral part of the Salt River Project and represents the U. S. Reclamation Service's first involvement in the construction of hydroelectric power facili... More
Roosevelt Power Canal & Diversion Dam, Parallels Salt River, Roosevelt...
Significance: The Roosevelt Power Canal was built as an integral part of the Salt River Project and represents the U. S. Reclamation Service's first involvement in the construction of hydroelectric power facili... More
Patent Drawing of Engine - Roosevelt Power Canal & Diversion Dam, Para...
Significance: The Roosevelt Power Canal was built as an integral part of the Salt River Project and represents the U. S. Reclamation Service's first involvement in the construction of hydroelectric power facili... More
Roosevelt Power Canal & Diversion Dam, Parallels Salt River, Roosevelt...
Significance: The Roosevelt Power Canal was built as an integral part of the Salt River Project and represents the U. S. Reclamation Service's first involvement in the construction of hydroelectric power facili... More
Naval Air Station Fallon, Fuel Tanks, 800 Complex, off Carson Road nea...
Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.
Naval Air Station Fallon, Fuel Tanks, 800 Complex, off Carson Road nea...
Public domain scan of an architecture diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.
Rush Creek Hydroelectric System, Powerhouse Exciters, Rush Creek, June...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Rush Creek Hydroelectric System, Powerhouse Exciters, Rush Creek, June...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Rush Creek Hydroelectric System, Worker Cottage, Rush Creek, June Lake...
Significance: Building 103 is one of the earliest Rush Creek worker cottages. Designed by the Riverside, California architect, W.C. Tanner, it combines Craftsman Bungalow and English Cottage styles. The Rush ... More
Kern County No. 1 Hydroelectric System, Powerhouse Exciters, Kern Rive...
Significance: The Kern River No. 1 powerhouse is equipped with two exciters (small electric generators) to provide direct field current to the four 5000 kv generators. The No. 1 exciter is original equipment d... More
Minnesota Veterans' Home Complex, Power House, 5101 Minnehaha Avenue, ...
Significance: The Power House No. 14, originally constructed in 1888, and rebuilt in 1937, utilizing the chimney from the original structure, is one of 17 remaining structures built on a plot of land between th... More
Edison Electric Illuminating Company, Charles L. Edgar Station, Bridge...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Snoqualmie Falls Hydroelectric Project, Cottage No. 1, .5 mile north o...
Significance: Construction of the Snoqualmie Falls Hydroelectric Project began in 1898 near the falls of the falls of the Snoqualmie River. It was the first power plant successfully constructed completely under... More
Victoria Dam, West branch of Ontonagon River, 4.5 miles southwest of R...
Significance: The reinforced-concrete, multiple-arch buttressed dam was never a very common type in the United States, and it was particularly uncommon in the eastern half of the country. Very few dams of this ... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Swan Falls Dam, Garage, 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
Hoover Dam, Metropolitan Water District Line 1, U.S. Highway 93, Bould...
Significance: The transmission line was a critical element of the Hoover Dam electrical generation and transmission system. The line provided Hoover Dam power for development of irrigation and municipal water d... More
Davis Dam, Switchyards, Southeast of Davis Dam, Kingman, Mohave County...
Significance: Davis Dam is significant for its role in control of the lower Colorado River, fulfillment of obligations under the Mexican Treaty of 1944, and economic development of the Southwest after World War... More
Davis Dam, Switchyards, Southeast of Davis Dam, Kingman, Mohave County...
Significance: Davis Dam is significant for its role in control of the lower Colorado River, fulfillment of obligations under the Mexican Treaty of 1944, and economic development of the Southwest after World War... More
Davis Dam, Switchyards, Southeast of Davis Dam, Kingman, Mohave County...
Significance: Davis Dam is significant for its role in control of the lower Colorado River, fulfillment of obligations under the Mexican Treaty of 1944, and economic development of the Southwest after World War... More
Cooke Hydroelectric Plant, Cook Dam Road at Au Sable River, Oscoda, Io...
Significance: It was the beginning of an interconnected power system throughout that state's Lower Peninsula. When Cooke went on line in 1912, the plant produced electrical energy that was used 125 miles to the... More
Niantic River Swing Bridge, Spanning Niantic River between East Lyme &...
Significance: The Niantic River Bridge has two spans: a fixed Pratt through truss and the swing span which resembles a Warren through truss with verticals. All members and all connections are riveted. Survey ... More
Niantic River Swing Bridge, Spanning Niantic River between East Lyme &...
Significance: The Niantic River Bridge has two spans: a fixed Pratt through truss and the swing span which resembles a Warren through truss with verticals. All members and all connections are riveted. Survey ... More
Bonneville Power Administration South Bank Substation, I-84, South of ...
Significance: South Bank Substation was one of the first substations constructed by the Bonneville Power Administration. It is historically significant because it served to energize the BPA's first transmissio... More
Bonneville Power Administration South Bank Substation, I-84, South of ...
Significance: South Bank Substation was one of the first substations constructed by the Bonneville Power Administration. It is historically significant because it served to energize the BPA's first transmissio... More
Bonneville Power Administration South Bank Substation, I-84, South of ...
Significance: South Bank Substation was one of the first substations constructed by the Bonneville Power Administration. It is historically significant because it served to energize the BPA's first transmissio... More
Electron Hydroelectric Project, Along Puyallup River, Electron, Pierce...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Electron Hydroelectric Project, Along Puyallup River, Electron, Pierce...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Electron Hydroelectric Project, Along Puyallup River, Electron, Pierce...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Electron Hydroelectric Project, Along Puyallup River, Electron, Pierce...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Electron Hydroelectric Project, Along Puyallup River, Electron, Pierce...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Electron Hydroelectric Project, Along Puyallup River, Electron, Pierce...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Electron Hydroelectric Project, Along Puyallup River, Electron, Pierce...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Michigan Lake Superior Power Company, Portage Street, Sault Ste. Marie...
Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.
Michigan Lake Superior Power Company, Portage Street, Sault Ste. Marie...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Michigan Lake Superior Power Company, Portage Street, Sault Ste. Marie...
Picryl description: Public domain image of a damaged, burned, or destroyed building, natural disaster, war destruction, ruins, 19th-century architecture, free to use, no copyright restrictions.
Gregg Shoals Dam & Power Plant, Across Savannah River, Lowndesville, A...
Significance: The Gregg Shoals Dam and Power Plant began operations in May 1907 and produced electricity until September 1954. It was among the early low-head hydroelectric plants in America and is associated ... More
Gregg Shoals Dam & Power Plant, Across Savannah River, Lowndesville, A...
Significance: The Gregg Shoals Dam and Power Plant began operations in May 1907 and produced electricity until September 1954. It was among the early low-head hydroelectric plants in America and is associated ... More
Gregg Shoals Dam & Power Plant, Across Savannah River, Lowndesville, A...
Significance: The Gregg Shoals Dam and Power Plant began operations in May 1907 and produced electricity until September 1954. It was among the early low-head hydroelectric plants in America and is associated ... More