View of the broken dam looking from bed of lake, Johnstown Flood, May ...
17846U U.S. Copyright Office. Photographed and copyright by Histed, Pittsburgh, Pa.
Power Dam and Snake River, Idaho Falls, Idaho
J131153 U.S. Copyright Office Copyright deposit; F. J. Bandholtz; August 30, 1909. Copyright claimant's address: Des Moines, IA.
Roosevelt Dam & power house, Panoramic Photograph
J179547 U.S. Copyright Office Copyright deposit; West Coast Art Co.; March 25, 1913. Stamped on verso: "West Coast Photo & Art Co., 727 So. Main St., Los Angeles. Phone, F-4116. No. 3063. Order by number. Mail ... More
Granite Reef, gelatin silver print, Panoramic Photograph
Granite Reef diversion dam of the Salt River Project. J179545 U.S. Copyright Office Copyright deposit; West Coast Art Co.; March 25, 1913. Copyright claimant's address: L.A., Cal. No. 3058.
Wilson Dam, Tenn. River, May 22, 1926
J283785 U.S. Copyright Office Copyright deposit; George Lee Bracey; June 28, 1926. No. 17.
Kaukauna Lock & Dam, Storage Building at Lock 4, Approximately 15 feet...
Significance: The storage shed functions as part of the daily operation of the Kaukauna Locks and Dam Complex. Survey number: HAER WI-87-P Building/structure dates: after 1982 Initial Construction
Hiwassee Dam and powerhouse. Detailed view of dam with powerhouse in f...
Original Tennessee Valley Authority (TVA) number: K 2265. Title and other information from caption sheet entry. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division... More
Little Chute Lock & Dam, Lock Shelter at Lock 2, On Southern Embankmen...
Significance: The lock shelter provides shelter for the lockkeeper while on active duty. In addition, the lock shelter provides office space and first aid facilities for office personnel. As such the lock shelt... More
Coulee Dam, Wash., 4-3-'35, Long view panoramic photograph
J 16637 U.S. Copyright Office Copyright deposit; Chas. A. Libby & Son; April 11, 1935; DLC/PP-1935:48025. On front: "Chas. A. Libby & Son, Spokane, Wash., 5916."
A black and white photo of a ball in the water, New Hamshire. Farm Sec...
Public domain photograph - United States during the 1930s and 1940s, Farm Security Administration, New Deal, free to use, no copyright restrictions image - Picryl description
A black and white photo of a construction site. Great Depression FFSA ...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
A black and white photo of three men working in the dirt. Great Depres...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
A couple of men standing next to each other. Great Depression FFSA / O...
Picryl description: Public domain image of industrial or agricultural worker, 1930s, 20th-century, free to use, no copyright restrictions. show less
California photographs - Farm Security Administration / Office of War ...
Picryl description: Public domain photograph of a military parade, 20th-century armed forces, free to use, no copyright restrictions.
A group of men standing next to each other. Office of War Information ...
This image is one of the images made by photographers working in Stryker's unit as it existed in a succession of government agencies: the Farm Security Administration (1937-1942). The photographs of the Farm S... More
![Boulder [i.e., Hoover] Dam, Colo. [i.e., Arizona and Nevada]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMTkvYm91bGRlci1pZS1ob292ZXItZGFtLWNvbG8taWUtYXJpem9uYS1hbmQtbmV2YWRhLWNkNTIzZS0xMDI0LmpwZw%3D%3D/40/49/webp "Boulder [i.e., Hoover] Dam, Colo. [i.e., Arizona and Nevada]")
Boulder [i.e., Hoover] Dam, Colo. [i.e., Arizona and Nevada]
Photograph shows power station towers and cables at the Hoover Dam, Arizona and Nevada. BC 5398. Photograph possibly from the United States Department of the Interior Bureau of Reclamation.
A black and white photo of a dam. Office of War Information Photograph
Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.
Shasta Dam, Shasta County, California. Steam shovels and dump trucks e...
Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl... More
Spring pulpwood drive on Brown Company timber holdings in Maine. Wood ...
Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl... More
![[Engineers R.D. Collons, of the United States (left), Antonio Benavides (center) and Enrique Medina looking through transit-level, of Mexico, confer at the spillway on the United States side of the joint U.S.-Mexico Falcon Dam construction project on the Rio Grande River]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDgvMjkvZW5naW5lZXJzLXJkLWNvbGxvbnMtb2YtdGhlLXVuaXRlZC1zdGF0ZXMtbGVmdC1hbnRvbmlvLWJlbmF2aWRlcy1jZW50ZXItYW5kLTFmMmQ5My0xMDI0LmpwZw%3D%3D/40/32/webp "[Engineers R.D. Collons, of the United States (left), Antonio Benavides (center) and Enrique Medina looking through transit-level, of Mexico, confer at the spillway on the United States side of the joint U.S.-Mexico Falcon Dam construction project on the Rio Grande River]")
[Engineers R.D. Collons, of the United States (left), Antonio Benavide...
Title devised by Library staff from accompanying caption. Possibly International Boundary and Water Commission photograph from U.S.I.A. 52-2322P.
Cooke Hydroelectric Plant, Substation, Cook Dam Road at Au Sable River...
Significance: The outdoor Substation houses transformers which step up the electrical current produced at Cooke to 46,000 volts, in preparation for transmission to the nearby Iosco-Loud lines. It apparently rep... More
Kaukauna Lock & Dam, Storage Building at Lock 3, Approximately 20 feet...
Significance: The storage building functions as part of the daily operation of the Kaukauna Locks and Dam Complex. Survey number: HAER WI-87-I Building/structure dates: 1982 Initial Construction
Milltown Dam, West Side House, Clark Fork River, 6 miles upstream from...
Survey number: HAER MT-43-C Building/structure dates: 1908 Initial Construction
Kaukauna Lock & Dam, Storage Building at Lock 2, Approximately 40 feet...
Significance: The storage building functions as part of the daily operation of the Kaukauna Locks and Dam Complex. Survey number: HAER WI-87-G Building/structure dates: 1982 Initial Construction
Little Kaukauna Lock & Dam, Lock Shelter, On northern embankment, near...
Significance: The lock shelter provides shelter for the lockkeeper while on active duty. Further, the lock shelter provides office space and first aid facilities for office personnel. As such the lock shelter f... More
Kaukauna Lock & Dam, Garage at Lock 5, Approximately 20 feet West of L...
Significance: The garage is boarded shut and is currently not in use. It was part of the former lockkeeper's complex which is no longer extant. Survey number: HAER WI-87-R Building/structure dates: 1955 Initi... More
Shoshone Falls Hydroelectric Project, Footbridge, Above Shoshone Falls...
Significance: Although the exact construction date for the footbridge is unknown, it appears from construction methods and materials to have been during the historical period. The footbridge provides ready acce... More
The dam, and a portion of a marina, at the Burnsville Dam and lake on ...
Title, date and keywords based on information provided by the photographer. Credit line: West Virginia Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photographs Division. Pur... More
Amsterdam, Dam, palais & eglise. Photochrom print, 1880-1890.
Plaza, palace, and church, Amsterdam, Netherlands. No. 6114 P.Z. Item removed from FOREIGN GEOG FILE - Holland Amsterdam in 2017. More information about the Photochrom Print Collection is available at http://h... More
Welding of the 30' diameter penstocks for the Boulder power plant
In album: Boulder Dam: a portfolio of photographs prepared for Hon. Harold L. Ickes, Secretary of the Interior, photographs and format by B.D. Glaha, Boulder City, Nevada, 1934. Inventory title: Top workings o... More
Illinois Waterway, Starved Rock Lock and Dam , 950 North 27th Road, Ut...
Survey number: HAER IL-164-D National Register of Historic Places NRIS Number: 04000166
Hoover Dam, Lower Portal Access Road, U.S. Highway 93, Boulder City, C...
Significance: It was an important feature in the construction of Hoover Dam. The road provided access to the bottom of Black Canyon at a point about one mile downstream from the dam construction site. Here a co... More
Hoover Dam, Lower Portal Access Road, U.S. Highway 93, Boulder City, C...
Significance: It was an important feature in the construction of Hoover Dam. The road provided access to the bottom of Black Canyon at a point about one mile downstream from the dam construction site. Here a co... More
John Hollis Bankhead Lock & Dam, On Warrior River below Port Birmingha...
Significance: The original 1915 dame (tone only one of the original 17) remains, though not easily accessible to the general public. The current dam is 1,400 feet wide, 77 feet high with a lift of 69 feet. Th... More
Holter Hydroelectric Facility, Dam & Power House, End of Holter Dam Ro...
Significance: The Holter Hydroelectric Facility is significant for its association with the industrial development of Montana and the consolidation of most of the state's electric industry into The Montana Powe... More
Milltown Dam, Powerhouse, Clark Fork River, 6 miles upstream from Miss...
Survey number: HAER MT-43-A Building/structure dates: 1908 Initial Construction
Lake Roland Dam, Spanning outlet of Lake Roland near Woodbridge Road, ...
Significance: The Lake Roland Water Supply Project was the first attempt by the City of Baltimore to establish a city-wide water supply system. The dam, spillway and gatehouse are the surviving elements of the... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 15, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 15, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 15, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Martin's Bluff (Buildings & Dam Abutment), East Bank of Tombigbee Rive...
Unprocessed Field note material exists for this structure: FN-35 Survey number: HABS MS-209
Bartlett Dam, Verde River, Phoenix, Maricopa County, AZ
Significance: Bartlett Dam was the first multiple arch dam constructed by the Bureau of Reclamation. It was also the highest multiple arch dam constructed in the United States at the time of its completion. Su... More
Bartlett Dam, Verde River, Phoenix, Maricopa County, AZ
Significance: Bartlett Dam was the first multiple arch dam constructed by the Bureau of Reclamation. It was also the highest multiple arch dam constructed in the United States at the time of its completion. Su... More
Bartlett Dam, Verde River, Phoenix, Maricopa County, AZ
Significance: Bartlett Dam was the first multiple arch dam constructed by the Bureau of Reclamation. It was also the highest multiple arch dam constructed in the United States at the time of its completion. Su... More
Bartlett Dam, Verde River, Phoenix, Maricopa County, AZ
Significance: Bartlett Dam was the first multiple arch dam constructed by the Bureau of Reclamation. It was also the highest multiple arch dam constructed in the United States at the time of its completion. Su... More
Kachess Dam, Inlet Channel, Kachess River, 1.5 miles north of Intersta...
Survey number: HAER WA-79-F Public domain photograph of quarry, mining industry, miners, free to use, no copyright restrictions image - Picryl description
Aerial view of Roosevelt Dam and Roosevelt Lake
J212037 U.S. Copyright Office. Public domain photograph related to President Theodore Roosevelt, free to use, no copyright restrictions image - Picryl description
Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley Co...
Significance: Each plant epitomized the predominant low head hydroelectric technology in use at the time of its construction, Dam 4 uses tandem, multiple-runner, horizontal shaft turbines connected by rope driv... More
Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley Co...
Significance: Each plant epitomized the predominant low head hydroelectric technology in use at the time of its construction, Dam 4 uses tandem, multiple-runner, horizontal shaft turbines connected by rope driv... More
Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley Co...
Significance: Each plant epitomized the predominant low head hydroelectric technology in use at the time of its construction, Dam 4 uses tandem, multiple-runner, horizontal shaft turbines connected by rope driv... More
Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley Co...
Significance: Each plant epitomized the predominant low head hydroelectric technology in use at the time of its construction, Dam 4 uses tandem, multiple-runner, horizontal shaft turbines connected by rope driv... More
Wilson Dam & Hydroelectric Plant, Spanning Tennessee River at Wilson D...
Significance: In 1918, by the directive of the U.S. War Department, the Army Corps of Engineers began construction on Wilson Dam, a large hydroelectric project that was to supply power to U.S. Nitrate Plant No.... More
Wilson Dam & Hydroelectric Plant, Spanning Tennessee River at Wilson D...
Significance: In 1918, by the directive of the U.S. War Department, the Army Corps of Engineers began construction on Wilson Dam, a large hydroelectric project that was to supply power to U.S. Nitrate Plant No.... More
Norwich Water Power Company, Dam, West bank of Shetucket River opposit...
Significance: The dam is significant as a major component of an 1882 rebuilding of the Norwich Water Power Company's facilities. The project reduced the length of the canal and improved the flow of water, ther... More
Salmon Creek Diversion Dam, Salmon Creek, Okanogan, Okanogan County, W...
Survey number: HAER WA-68 Building/structure dates: 1906 Initial Construction Building/structure dates: 1999 Subsequent Work
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Significance: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superced... More
Hoover Dam, Henderson-Mead Transmission Line 2, Spanning Colorado Rive...
STORED OFF SITE AND ON SITE. mchr Significance: Previously known as a segment of the Davis-Hoover and the Hoover-Mead Transmission Lines, the documented segment of the Henderson-Mead Transmission Line 2 was con... More
Burlington Woolen Mill Company, Dam, Winooski River, West of Bridge ca...
Significance: Despite substantial erosion, the dam is significant as an example of timber-crib construction, a common 19th-century technology, and as one of the earliest-known dams to have used concrete as a st... More
Hoover Dam, Nevada Downstream Waste Tailings, Near the Lower Portal Tu...
Significance: They were an important feature in the construction of Hoover Dam. The tailings resulted from excavation of tunnels for diversion of the Colorado River, for penstock and spillway facilities, for lo... More
Hoover Dam, Nevada Downstream Waste Tailings, Near the Lower Portal Tu...
Significance: They were an important feature in the construction of Hoover Dam. The tailings resulted from excavation of tunnels for diversion of the Colorado River, for penstock and spillway facilities, for lo... More
Tallulah Falls Dam, Spanning Tallulah Falls River on U.S. Highway 23/S...
Survey number: HAER GA-152 Public domain photograph of a bridge, arch over water, river, free to use, no copyright restrictions image - Picryl description
Tallulah Falls Dam, Spanning Tallulah Falls River on U.S. Highway 23/S...
Survey number: HAER GA-152 Public domain photograph - Georgia folklife collection, ethnography, United States, free to use, no copyright restrictions image - Picryl description
Rainbow Hydroelectric Facility, House No. 16, On north bank of Missour...
Significance: It is significant for its association with the industrial development of Montana and the consolidation of most of Montana's electric industry into the Montana Power Company. The district is also a... More
Rainbow Hydroelectric Facility, House No. 16, On north bank of Missour...
Significance: It is significant for its association with the industrial development of Montana and the consolidation of most of Montana's electric industry into the Montana Power Company. The district is also a... More
Gull Lake Reservoir Dam, Dam Tender's Residence, Lake Shore, Cass Coun...
Significance: The Gull Lake Dam Tender's House is one of two remaining original dam tender's dwellings at the Mississippi River Headwaters dam sites. Until recently, when the Corps of Engineers decided it was ... More
Gull Lake Reservoir Dam, Dam Tender's Residence, Lake Shore, Cass Coun...
Significance: The Gull Lake Dam Tender's House is one of two remaining original dam tender's dwellings at the Mississippi River Headwaters dam sites. Until recently, when the Corps of Engineers decided it was ... More
Gull Lake Reservoir Dam, Dam Tender's Residence, Lake Shore, Cass Coun...
Significance: The Gull Lake Dam Tender's House is one of two remaining original dam tender's dwellings at the Mississippi River Headwaters dam sites. Until recently, when the Corps of Engineers decided it was ... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Little Kaukauna Lock & Dam, At 23-mile marker on Lower Fox River, Rock...
Significance: The Little Kaukauna Lock and Dam Complex allows passage for watercraft around the rapids present in the Lower Fox River at Little Kaukauna. Survey number: HAER WI-89 Building/structure dates: 18... More
Cache Creek Bridge, Spanning Cache Creek, Dam Road vicinity, Clearlake...
Significance: The Cache Creek Bridge is one of two known remaining examples of Clinton bridges in California. It is also the last remaining through truss highway bridge in Lake County. It represents a type (P... More
Middle Creek Hydroelectric Dam, On Middle Creek, West of U.S. Route 15...
Significance: The Middle Creek Hydroelectric Dam is a significant example of a timber crib dam and small electric generating station, that is typical of early rural electrification in America. Locally it was a... More
Middle Creek Hydroelectric Dam, On Middle Creek, West of U.S. Route 15...
Significance: The Middle Creek Hydroelectric Dam is a significant example of a timber crib dam and small electric generating station, that is typical of early rural electrification in America. Locally it was a... More
Middle Creek Hydroelectric Dam, On Middle Creek, West of U.S. Route 15...
Significance: The Middle Creek Hydroelectric Dam is a significant example of a timber crib dam and small electric generating station, that is typical of early rural electrification in America. Locally it was a... More
Monongahela Railroad, New Geneva Bridge, Spanning Monongahela River, S...
Significance: The bridge at New Geneva is significant for its long Petit through through truss, and more importantly, for its erection by end manufacturing. At the time of its construction, it was the longest a... More
Lake Pokegama Reservoir Dam, Grand Rapids, Itasca County, MN
Significance: The Lake Pokegama Reservoir Dam is one of six Mississippi River Headwaters Reservoirs dam sites that are historically significant for their association with the history of navigation, commerce, to... More
Wilson Dam & Hydroelectric Plant, Oilostatic Transmission System, Span...
Significance: As generating capacity at Wilson Dam grew through the early TVA years, new methods of generator cable installation came into practice. One of these new cable installations, the Oilostatic System,... More
Hamilton Street Dam, Lehigh River upstream of Hamilton Street Bridge, ...
Significance: The Hamilton Street Dam is an integral part of the Lehigh Canal, which was of major economic importance in the development of industry in the Lehigh Valley in the nineteenth century. The V-shaped... More
Hamilton Street Dam, Lehigh River upstream of Hamilton Street Bridge, ...
Significance: The Hamilton Street Dam is an integral part of the Lehigh Canal, which was of major economic importance in the development of industry in the Lehigh Valley in the nineteenth century. The V-shaped... More