Hume Lake Dam, Sequioa National Forest, Hume, Fresno County, CA
Significance: Hume Lake Dam was the world's first reinforced a concrete multiple arch dam. Built to impound reservoir for the Hume-Bennett Lumber Company, today it is the only major surviving structure represe... More
Bishop Creek Hydroelectric System, Plant 6, Cashbaugh-Kilpatrick House...
Significance: Although greatly modified, the 19th Century Cashbaugh-era structures combined into Building 102 are reputed to be the oldest surviving houses in the Owens Valley. The Cashbaugh/Kilpatrick house's... More
Bishop Creek Hydroelectric System, Plant 6, Cashbaugh-Kilpatrick House...
Significance: Although greatly modified, the 19th Century Cashbaugh-era structures combined into Building 102 are reputed to be the oldest surviving houses in the Owens Valley. The Cashbaugh/Kilpatrick house's... More
Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Ha...
Significance: Location of the musket factory of Eli Whitney, an important contributor to the development of the American System of Manufacturing. It was here that Whitney attempted a system of production that ... More
Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Ha...
Significance: Location of the musket factory of Eli Whitney, an important contributor to the development of the American System of Manufacturing. It was here that Whitney attempted a system of production that ... More
Continental Gin Company, Prattville, Autauga County, AL
Significance: The site was acquired by Daniel Pratt in 1838, and he soon established grist and lumber and shingle mills there. By 1844, he had opened a cotton gin plant, the products of which were in great dem... More
Continental Gin Company, Prattville, Autauga County, AL
Significance: The site was acquired by Daniel Pratt in 1838, and he soon established grist and lumber and shingle mills there. By 1844, he had opened a cotton gin plant, the products of which were in great dem... More
Continental Gin Company, Prattville, Autauga County, AL
Significance: The site was acquired by Daniel Pratt in 1838, and he soon established grist and lumber and shingle mills there. By 1844, he had opened a cotton gin plant, the products of which were in great dem... More
Continental Gin Company, Prattville, Autauga County, AL
Significance: The site was acquired by Daniel Pratt in 1838, and he soon established grist and lumber and shingle mills there. By 1844, he had opened a cotton gin plant, the products of which were in great dem... More
Continental Gin Company, Prattville, Autauga County, AL
Significance: The site was acquired by Daniel Pratt in 1838, and he soon established grist and lumber and shingle mills there. By 1844, he had opened a cotton gin plant, the products of which were in great dem... More
Continental Gin Company, Prattville, Autauga County, AL
Significance: The site was acquired by Daniel Pratt in 1838, and he soon established grist and lumber and shingle mills there. By 1844, he had opened a cotton gin plant, the products of which were in great dem... More
Boise Project, Boise River Diversion Dam, Across Boise River, Boise, A...
Significance: The Boise Diversion Dam and Powerplant are important components in the Boise Project, a Bureau of Reclamation effort to irrigate the Boise and Payette River valleys in Idaho. The diversion dam, co... More
Boise Project, Boise River Diversion Dam, Across Boise River, Boise, A...
Significance: The Boise Diversion Dam and Powerplant are important components in the Boise Project, a Bureau of Reclamation effort to irrigate the Boise and Payette River valleys in Idaho. The diversion dam, co... More
Boise Project, Boise River Diversion Dam, Across Boise River, Boise, A...
Significance: The Boise Diversion Dam and Powerplant are important components in the Boise Project, a Bureau of Reclamation effort to irrigate the Boise and Payette River valleys in Idaho. The diversion dam, co... More
Boise Project, Boise River Diversion Dam, Across Boise River, Boise, A...
Significance: The Boise Diversion Dam and Powerplant are important components in the Boise Project, a Bureau of Reclamation effort to irrigate the Boise and Payette River valleys in Idaho. The diversion dam, co... More
Boise Project, Boise River Diversion Dam, Across Boise River, Boise, A...
Significance: The Boise Diversion Dam and Powerplant are important components in the Boise Project, a Bureau of Reclamation effort to irrigate the Boise and Payette River valleys in Idaho. The diversion dam, co... More
Bishop Creek Hydroelectric System, Plant 4, Worker Cottage, Bishop Cre...
Significance: Building 16, Plant 4 (formerly Building No. 7 Plant 4), a small Craftsman Style cottage, is the oldest permanently built residence at Plant 4. Its significance lies in its contribution to an unde... More
Bishop Creek Hydroelectric System, Plant 4, Worker Cottage, Bishop Cre...
Significance: Building 16, Plant 4 (formerly Building No. 7 Plant 4), a small Craftsman Style cottage, is the oldest permanently built residence at Plant 4. Its significance lies in its contribution to an unde... More
Bishop Creek Hydroelectric System, Plant 4, Worker Cottage, Bishop Cre...
Significance: Building 16, Plant 4 (formerly Building No. 7 Plant 4), a small Craftsman Style cottage, is the oldest permanently built residence at Plant 4. Its significance lies in its contribution to an unde... More
Bishop Creek Hydroelectric System, Plant 4, Worker Cottage, Bishop Cre...
Significance: Building 16, Plant 4 (formerly Building No. 7 Plant 4), a small Craftsman Style cottage, is the oldest permanently built residence at Plant 4. Its significance lies in its contribution to an unde... More
Skagit Power Development, Ross Powerhouse, On Skagit River, 10.7 miles...
Survey number: HAER WA-24-G Building/structure dates: HAER WA-24-G
Skagit Power Development, Ross Powerhouse, On Skagit River, 10.7 miles...
Survey number: HAER WA-24-G Building/structure dates: HAER WA-24-G
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Slater Mill, Pawtucket, Providence County, RI
For additional documentation, see also Slater Mill (HABS RI-82). Significance: The Slater Mill was the first successful cotton factory, and the first water powered spinning mill using the Arkwright system of ca... More
Slater Mill, Pawtucket, Providence County, RI
For additional documentation, see also Slater Mill (HABS RI-82). Significance: The Slater Mill was the first successful cotton factory, and the first water powered spinning mill using the Arkwright system of ca... More
Slater Mill, Pawtucket, Providence County, RI
For additional documentation, see also Slater Mill (HABS RI-82). Significance: The Slater Mill was the first successful cotton factory, and the first water powered spinning mill using the Arkwright system of ca... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Skagit Power Development, Skagit River & Newhalem Creek Hydroelectric...
Significance: Developed over a 50 year time span by Seattle City Light, the Skagit River Hydroelectric Project consists of three large dams and power plants: Gorge, Diablo, and Ross. Associated with it is the ... More
Skagit Power Development, Skagit River & Newhalem Creek Hydroelectric...
Significance: Developed over a 50 year time span by Seattle City Light, the Skagit River Hydroelectric Project consists of three large dams and power plants: Gorge, Diablo, and Ross. Associated with it is the ... More
Little Rock Creek Dam, Little Rock Creek, Littlerock, Los Angeles Coun...
Significance: When built the Littlerock Dam was the tallest reinforced concrete multiple arch dam in the world. For over fifty years it has provided water for the South Antelope Valley and contributed to the v... More
Great Falls S. U. M. Historic District, Oliver Street, Paterson, Passa...
Significance: In 1791 Alexander Hamilton and others founded an industrial venture known as the Society for the Establishment of Useful Manufactures (S.U.M.). The formation of this Society embodied the theory pr... More
Great Falls S. U. M. Historic District, Oliver Street, Paterson, Passa...
Significance: In 1791 Alexander Hamilton and others founded an industrial venture known as the Society for the Establishment of Useful Manufactures (S.U.M.). The formation of this Society embodied the theory pr... More
Garrett Snuff Mill, Route 82, Yorklyn, New Castle County, DE
Significance: The founding of the Garrett Snuff Mills represented the continuance of a 50-year tradition of Garrett enterprises on Red Clay Creek. Garrett's mills spanned the first two centuries of American in... More
Bishop Creek Hydroelectric System, Plant 5, Bishop Creek, Bishop, Inyo...
Survey number: HAER CA-145-5 Public domain photograph of electric power generation, power lines, free to use, no copyright restrictions image - Picryl description
Bishop Creek Hydroelectric System, Plant 5, Bishop Creek, Bishop, Inyo...
Survey number: HAER CA-145-5 Public domain photograph of electric power generation, power lines, free to use, no copyright restrictions image - Picryl description
The Connecticut River is dammed to supply water power for the mills of...
Picryl description: Public domain image of a power dam, cascade, free to use, no copyright restrictions.
Water flowing through raceway system in Paterson's historic district; ...
Forms part of a group of images recorded on September 11, documenting scenes in Paterson's historic district.
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... More
Great Falls/S. U. M. Power Canal System, Paterson, Passaic County, NJ
Significance: Begun by the Society for the Establishment of Useful Manufacturers under the supervision of Pierre L'Enfant, the Canal System was first completed in 1794. Later alterations and improvements were ... More
Great Falls/S. U. M. Power Canal System, Paterson, Passaic County, NJ
Significance: Begun by the Society for the Establishment of Useful Manufacturers under the supervision of Pierre L'Enfant, the Canal System was first completed in 1794. Later alterations and improvements were ... More
Great Falls/S. U. M. Power Canal System, Paterson, Passaic County, NJ
Significance: Begun by the Society for the Establishment of Useful Manufacturers under the supervision of Pierre L'Enfant, the Canal System was first completed in 1794. Later alterations and improvements were ... More
Heber Light & Power Company, Hydroelectric Plant, U.S. Route 40/189, H...
Significance: Heber Light and Power Plant is representative of the large number of modest hydroelectric stations built during the first two decades of the twentieth century as a result of the growing demand for... More
Arthur Holmes Merry Generator House, Signal Lake North of Range Road, ...
Significance: The Arthur Holmes Merry Generator House at Signal (Scout) Lake, Fort Gordon is among the oldest private water-powered structures in Georgia. The Generator House was constructed in 1935. By 1938, t... 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
Cohoes Company Power Canal System, Level 2, North Mohawk Street, Cohoe...
These records were prepared as part of the Mohawk-Hudson Area Survey, a pilot study for the Historic American Engineering Record which was established in 1969 under the aegis of the Historic American Buildings ... More
Robbins & Lawrence Armory, 196 Main Street, Windsor, Windsor County, V...
Significance: The period of significance for the private Armory is 1846-1856. The factory was constructed in 1846 and was the site of innovation and invention in the manufacture of firearms and machine tools un... More
Robbins & Lawrence Armory, 196 Main Street, Windsor, Windsor County, V...
Significance: The period of significance for the private Armory is 1846-1856. The factory was constructed in 1846 and was the site of innovation and invention in the manufacture of firearms and machine tools un... More
Curtis Paper Mill, Route 72, Newark, New Castle County, DE
Significance: In 1975, this paper mill continued to manufacture high-quality rag content papers using 19th-century Fourdrinier machinery. Survey number: HAER DE-1 Building/structure dates: before 1789 Initial... More
Curtis Paper Mill, Route 72, Newark, New Castle County, DE
Significance: In 1975, this paper mill continued to manufacture high-quality rag content papers using 19th-century Fourdrinier machinery. Survey number: HAER DE-1 Building/structure dates: before 1789 Initial... More
Curtis Paper Mill, Route 72, Newark, New Castle County, DE
Significance: In 1975, this paper mill continued to manufacture high-quality rag content papers using 19th-century Fourdrinier machinery. Survey number: HAER DE-1 Building/structure dates: before 1789 Initial... More
Croton Hydroelectric Plant, Croton Dam Road at Muskegon River, Croton,...
Significance: The Croton Hydroelectric Plant was one of the earliest large-scale hydroelectric generating plants in Michigan and was the site of major innovations in the transmission of high voltage electricity... More
Hoover Dam, Spanning Colorado River at Route 93, Boulder City, Clark C...
Significance: It is a National Historic Landmark, an American Civil Engineering Landmark, and the focus of an historic district listed on the National Register of Historic Places. The dam was constructed betwee... More
Hoover Dam, Spanning Colorado River at Route 93, Boulder City, Clark C...
Significance: It is a National Historic Landmark, an American Civil Engineering Landmark, and the focus of an historic district listed on the National Register of Historic Places. The dam was constructed betwee... More
La Cienega Acequia, Truchas Molino, 334 Los Pinos Road, Santa Fe, Sant...
Significance: The Truchas Molino is one of the only example of a Spanish Colonial style grist mills powered by a rodenzo, a horizontal water wheel, that is currently operational in the United States. These moli... More
Cove Hydroelectric Development, Forebay & Diversion Dam, Cove Power Pl...
Significance: The forebay and diversion dam mark the capture point, the beginning, of the entire Cove system. The dam impounds water in the forebay, forcing it through the screen house and ultimately into the l... More
Dundee Canal, Headgates, Guardlock & Uppermost Section, 250 feet north...
Public domain image of an arch structure, bridge, historic place ruins, classical architecture, free to use, no copyright restrictions - Picryl description
Dundee Canal, Headgates, Guardlock & Uppermost Section, 250 feet north...
Picryl description: Public domain image of a dam, reservoir, quarry, or excavation site, free to use, no copyright restrictions.
Skagit Power Development, Gorge High Dam, On Skagit River, 2.9 miles u...
Unprocessed Field note material exists for this structure: FN-5 Survey number: HAER WA-24-C Building/structure dates: 1961 Initial Construction
Skagit Power Development, Gorge High Dam, On Skagit River, 2.9 miles u...
Unprocessed Field note material exists for this structure: FN-5 Survey number: HAER WA-24-C Building/structure dates: 1961 Initial Construction
Puget Sound Power & Light Company, White River Hydroelectric Project, ...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Puget Sound Power & Light Company, White River Hydroelectric Project, ...
Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.
Puget Sound Power & Light Company, White River Hydroelectric Project, ...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Puget Sound Power & Light Company, White River Hydroelectric Project, ...
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Puget Sound Power & Light Company, White River Hydroelectric Project, ...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
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
Noxontown Mill, Noxontown Road (County Road 38), Middletown, New Castl...
Significance: Noxontown Mill was typical of the small grain-milling establishments that predominated in Delaware throughout the colonial period. But it was atypical in the sense that it survived so long. In 1... More
Mabry Mill, Willis, Floyd County, Virginia
Unprocessed Field note material exists for this structure: FN-115 Survey number: HABS VA-165 Building/structure dates: 1891 Initial Construction
Bishop Creek Hydroelectric System, Plant 2, Bishop Creek, Bishop, Inyo...
Survey number: HAER CA-145-2 Public domain photograph of electric power generation, power lines, free to use, no copyright restrictions image - Picryl description
Erie Canal (Original), Locks 37 & 38, 84 North Mohawk Street, Cohoes, ...
See also HAER NY-5, Harmony Manufacturing Company, Mill No. 3, and HAER NY-9, Cohoes Company Power Canal System, for related documentation. Significance: The state of New York built the Erie Canal between 1817 ... More
Erie Canal (Original), Locks 37 & 38, 84 North Mohawk Street, Cohoes, ...
See also HAER NY-5, Harmony Manufacturing Company, Mill No. 3, and HAER NY-9, Cohoes Company Power Canal System, for related documentation. Significance: The state of New York built the Erie Canal between 1817 ... More
Cove Hydroelectric Development, Screen House & Intake, Cove Power Plan...
Significance: The screen house represents an original component of the Cove Hydroelectric Development and the intake point for water flowing into the canal and flume system. The screens played an important role... More
Power Flume No. 1, Tacoma, La Plata County, CO
Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More
Power Flume No. 1, Tacoma, La Plata County, CO
Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More
Western Canal, Tremont Gatehouse, Western & Lawrence Canals, Lowell, M...
Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.
Washington Water Power Company Post Falls Power Plant, Middle Channel ...
Significance: It is significant as the first power production and transmission facility constructed on the Spokane River outside Spokane. The historic property consists of the connected, but irregular shaped "o... More
Battle Creek Hydroelectric System, Battle Creek & Tributaries, Red Blu...
STORED OFF SITE AND ON SITE. mchr Significance: The Battle Creek hydroelectric system was a typical turn-of-the-century California hydroelectric system, characterized by high head plants, the use of the impulse... More
Battle Creek Hydroelectric System, Battle Creek & Tributaries, Red Blu...
STORED OFF SITE AND ON SITE. mchr Significance: The Battle Creek hydroelectric system was a typical turn-of-the-century California hydroelectric system, characterized by high head plants, the use of the impulse... More
Battle Creek Hydroelectric System, Battle Creek & Tributaries, Red Blu...
STORED OFF SITE AND ON SITE. mchr Significance: The Battle Creek hydroelectric system was a typical turn-of-the-century California hydroelectric system, characterized by high head plants, the use of the impulse... More
Battle Creek Hydroelectric System, Battle Creek & Tributaries, Red Blu...
STORED OFF SITE AND ON SITE. mchr Significance: The Battle Creek hydroelectric system was a typical turn-of-the-century California hydroelectric system, characterized by high head plants, the use of the impulse... More