Blackstone Canal, State Route 126, Central Falls, Providence County, R...
Significance: The Blackstone canal was one of the regions first long distance transportation systems. It was one of the waterways that helped to spawn the industrial development that took place in the Blacksto... More
Blackstone Canal, Charles & Randall Streets, Canal & Haymarket Streets...
Public domain photograph - historical image of Rhode Island, United States, free to use, no copyright restrictions image - Picryl description
Black River Canal, Locks 39-43, State Route 46, Boonville, Oneida Coun...
Significance: Locks 39-43 near Boonevill are typical of the 109 locks that comprised the 25 miles of the Black River Canal. A feeder to the Erie Canal, the Black River Canal remained in use until 1923 and outl... More
Champlain Canal, Waterford Locks, U.S. Route 4, Waterford, Saratoga Co...
Significance: The Champlain Canal was built to link Lake Champlain with the Erie Canal and with the tidewater of the Hudson River. The Canal is presently part of the New York State Barge Canal system, the most... More
Northern Canal, Pawtucket Gatehouse, Northern Canal & Merrimack River,...
Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.
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
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
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
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
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
Eastern Canal, Bridge & Armory Streets vicinity, Lowell, Middlesex Cou...
Significance: The opening of the Eastern Canal in 1835 marked the end of the second phase of construction of the Lowell Canal System as it had been planned in 1821. The Eastern Canal connected the Pawtucket an... 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
Old Croton Aqueduct, Sing Sing Kill Bridge, Spanning Aqueduct Street &...
Significance: The Old Croton Aqueduct is an outstanding example of 19th century civil engineering and was New York City's first municipal water project. The Sing Sing Kill Bridge, as designed, consists of a lo... More
Old Croton Aqueduct, Mill River Waste Weir, U.S. Route 9 at Sleepy Hol...
Significance: The Old Croton Aqueduct is an outstanding example of 19th century civil engineering and was New York City's first municipal water project. The waste weir formed an integral part of the aqueduct s... More
Western Canal, Guard Gates, Western & Northern Canals, Lowell, Middles...
Significance: The Guard Gates were built as part of the improvements to the canal system which took place around the middle of the 19th century. The Guard Gates allowed parts of the Western Canal to be drained... More
Western Canal, Hickey Hall Dam, Lowell, Middlesex County, MA
Significance: The Hickey Hall Dam was built to ensure the water level in the upper level of the Western Canal was sufficiently high to provide power to the Suffolk and Tremont Mills prior to construction of the... More
Tallassee Shoals Hydroelectric Facility, Middle Oconee River, Athens, ...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Elson Bridge, Spanning Purgatoire River at County Road 36, El Moro, La...
Survey number: HAER CO-77 Building/structure dates: 1905 Initial Construction Building/structure dates: 1957 Subsequent Work
S. U. M. Hydroelectric Plant, McBride Avenue, Paterson, Passaic County...
Significance: The S.U.M. Hydroelectric Plant was constructed in 1912-1914 to meet the electrical power needs of the mill and factory owners and tenants in the Paterson area. It superceded the power canal syste... More
Lowell Canal System, Merrimack & Concord Rivers, Lowell, Middlesex Cou...
Significance: The City of Lowell is generally considered to be the birthplace of large-scale manufacturing in the U.S. Begun as a transportation canal, the Lowell Canal System evolved, during the 19th century,... More
Indiana Central Canal, Indianapolis Division, Parallel to West Street,...
Significance: The Indianapolis Division of the Indiana Central Canal is possibly the oldest remaining man-made structure or facility in Indianapolis-Marion County. The canal is listed on the Indiana State Regi... More
Indiana Central Canal, Indianapolis Division, Parallel to West Street,...
Significance: The Indianapolis Division of the Indiana Central Canal is possibly the oldest remaining man-made structure or facility in Indianapolis-Marion County. The canal is listed on the Indiana State Regi... More
Ouachita River Lock & Dam No. 8, Ouachita River at River Mile 282.8, C...
Significance: The Ouachita River Lock and Dam No. 8 is one of the oldest remaining locks and dams in the State of Arkansas. It represents a vital segment in the earliest attempt by the U.S. Army Corps of Engin... More
Outlook Irrigation District, Pumping Plant & Woodstave Pipe, Hudson Ro...
Significance: The Outlook Irrigation District (OID) is part of one of the earliest, largest, and most successful federal reclamation projects, the Yakima Project. The OID is part of the Sunnyside Division of t... More
West Branch Pennsylvania Canal, South of State Route 664 along North b...
Significance: An important link in the statewide transportation network of the nineteenth century, the West Branch Pennsylvania Canal did much to economically develop the valley of the West Branch of the Susque... More
Woodville Canal Company, West side of Snake River (River Mile 796), Wo...
Significance: The Woodville Canal Company represents one of the few remaining small-scale canal companies operating in eastern Idaho that continues to be administered and managed by district farmers. The Woodv... More
Woodville Canal Company, West side of Snake River (River Mile 796), Wo...
Significance: The Woodville Canal Company represents one of the few remaining small-scale canal companies operating in eastern Idaho that continues to be administered and managed by district farmers. The Woodv... More
Fairmount Waterworks, Aquarium Drive, Philadelphia, Philadelphia Count...
See also HAER PA-51 for additional documentation. Survey number: HABS PA-1654 Building/structure dates: 1814-1815 Initial Construction Building/structure dates: 1821-1822 Subsequent Work Building/structure d... More
New York State Barge Canal, Lockport Locks, Richmond Avenue, Lockport,...
Locks E34 and E35 were surveyed as part of the 2009 New York State Barge Canal survey; see HAER Nos. NY-515 (Lock E34) and NY-516 (Lock E35). Significance: Locks 67-71 (north flight) comprise a rare 19th-centur... More
New York State Barge Canal, Lockport Locks, Richmond Avenue, Lockport,...
Locks E34 and E35 were surveyed as part of the 2009 New York State Barge Canal survey; see HAER Nos. NY-515 (Lock E34) and NY-516 (Lock E35). Significance: Locks 67-71 (north flight) comprise a rare 19th-centur... More
New York State Barge Canal, Lockport Locks, Richmond Avenue, Lockport,...
Locks E34 and E35 were surveyed as part of the 2009 New York State Barge Canal survey; see HAER Nos. NY-515 (Lock E34) and NY-516 (Lock E35). Significance: Locks 67-71 (north flight) comprise a rare 19th-centur... More
New York State Barge Canal, Lockport Locks, Richmond Avenue, Lockport,...
Locks E34 and E35 were surveyed as part of the 2009 New York State Barge Canal survey; see HAER Nos. NY-515 (Lock E34) and NY-516 (Lock E35). Significance: Locks 67-71 (north flight) comprise a rare 19th-centur... More
New York State Barge Canal, Lockport Locks, Richmond Avenue, Lockport,...
Locks E34 and E35 were surveyed as part of the 2009 New York State Barge Canal survey; see HAER Nos. NY-515 (Lock E34) and NY-516 (Lock E35). Significance: Locks 67-71 (north flight) comprise a rare 19th-centur... More
New York State Barge Canal, Lockport Locks, Richmond Avenue, Lockport,...
Locks E34 and E35 were surveyed as part of the 2009 New York State Barge Canal survey; see HAER Nos. NY-515 (Lock E34) and NY-516 (Lock E35). Significance: Locks 67-71 (north flight) comprise a rare 19th-centur... More
Willamette Falls Lock Chamber No.1, Willamette River, West Linn, Clack...
Picryl description: Public domain image of a canal, barge, historic place, water reflection, 19th century, free to use, no copyright restrictions.
Shoshone Hydroelectric Plant Complex, 60111 U.S. Highway 6, Glenwood S...
Significance: The Shoshone complex is significant for being one of the earliest hydroelectric plants on the Colorado River and one of the largest in the Rocky Mountain Region to depend upon the flow of a river ... More
Shoshone Hydroelectric Plant Complex, 60111 U.S. Highway 6, Glenwood S...
Significance: The Shoshone complex is significant for being one of the earliest hydroelectric plants on the Colorado River and one of the largest in the Rocky Mountain Region to depend upon the flow of a river ... More
Shoshone Hydroelectric Plant Complex, 60111 U.S. Highway 6, Glenwood S...
Significance: The Shoshone complex is significant for being one of the earliest hydroelectric plants on the Colorado River and one of the largest in the Rocky Mountain Region to depend upon the flow of a river ... More
Shoshone Hydroelectric Plant Complex, 60111 U.S. Highway 6, Glenwood S...
Significance: The Shoshone complex is significant for being one of the earliest hydroelectric plants on the Colorado River and one of the largest in the Rocky Mountain Region to depend upon the flow of a river ... More
Pawtucket Canal, Lower Locks, Lowell, Middlesex County, MA
Significance: The Lower Locks are comprised of two navigation locks and a dam, with a head of 17 feet. They were some of the earliest locks in the Lowell Canal System, originally constructed in the first phase... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau,...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau,...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau,...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau,...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau,...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More
Northern Canal, Great River Wall, Lowell, Middlesex County, MA
Significance: The Great River Wall is a massive retaining wall which separates the upper half of the Northern Canal from the Merrimack River. Survey number: HAER MA-8-B Building/structure dates: 1847 Initial ... More
Northern Canal, Great River Wall, Lowell, Middlesex County, MA
Significance: The Great River Wall is a massive retaining wall which separates the upper half of the Northern Canal from the Merrimack River. Survey number: HAER MA-8-B Building/structure dates: 1847 Initial ... More
Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...
Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More
Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...
Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More
Old Croton Aqueduct, Indian Creek Culvert, Reservoir & Quaker Bridge R...
Significance: The Old Croton Aqueduct is an outstanding example of 19th century civil engineering and was New York City's first municipal water project. The culvert at Indian Creek is just one of several stand... More
Hacienda Buena Vista, PR Route 10 (Ponce to Arecibo), Magueyes, Ponce ...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Bureau of Mines Metallurgical Research Laboratory, Original Building, ...
Significance: Building 200, as part of the Date Street Complex, was part of the Bureau of Mines Electrometallurgical Research Facility located in Boulder City. As such, it is within the designated Boulder City... More
Augusta Canal, Augusta, Richmond County, GA
Significance: The Augusta power and navigation canal was projected in order to make Augusta a manufacturing center. By the 1880's, the canal was a success. It supplied water power for eight textile mills, thr... More
Augusta Canal, Augusta, Richmond County, GA
Significance: The Augusta power and navigation canal was projected in order to make Augusta a manufacturing center. By the 1880's, the canal was a success. It supplied water power for eight textile mills, thr... More
Augusta Canal, Augusta, Richmond County, GA
Significance: The Augusta power and navigation canal was projected in order to make Augusta a manufacturing center. By the 1880's, the canal was a success. It supplied water power for eight textile mills, thr... More
Northern Canal, Waste Gates, Lowell, Middlesex County, MA
Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.
Northern Canal, Pawtucket & Ford Streets vicinity, Lowell, Middlesex C...
Significance: The Northern Canal was constructed to bring more water into the canal system in order that the demands for power made by increasingly large mills could be met. The Northern Canal supplemented the... More
Boston Water Works, Chestnut Hill High-Service Pumping Station, 2450 B...
Significance: With the construction of the Roxbury Standpipe in 1870 and a small pumping station nearby, the Boston Water Board had introduced water to the higher elevations of Roxbury and other parts of Boston... More
Michigan Lake Superior Power Company, Portage Street, Sault Ste. Marie...
Picryl description: Public domain image of a historical building, landmark architecture, world heritage, 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 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 railroad tracks, railway, train car, free to use, no copyright restrictions.
Michigan Lake Superior Power Company, Portage Street, Sault Ste. Marie...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
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...
Public domain image of an arch structure, bridge, historic place ruins, classical architecture, free to use, no copyright restrictions - Picryl description
Michigan Lake Superior Power Company, Portage Street, Sault Ste. Marie...
Picryl description: Public domain image of a river or lake, forest, trees, water stream, free to use, no copyright restrictions.
Michigan Lake Superior Power Company, Portage Street, Sault Ste. Marie...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Bureau of Mines Boulder City Experimental Station, Weigh Station, Date...
Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description
Old Croton Aqueduct, Northern Waste Weir, Snowden Avenue & Van Wick St...
Significance: The Old Croton Aqueduct is an outstanding example of 19th century civil engineering and was New York City's first municipal water project. The waste weir formed an integral part of the aqueduct s... 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
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...
See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...
See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...
See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...
See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...
See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...
See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...
See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...
See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...
See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...
See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More
Water Power Development at Falls of Chattahoochee, Chattahoochee River...
Significance: As the Chattahoochee crosses the fall line at Columbus, Georgia, it falls 125 feet within 2 1/2 miles producing a potential energy of between 66,000 and 99,000 horsepower. That water power made C... More
Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...
See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More
Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...
See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More
Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...
See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More
Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...
See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More
Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...
See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More
Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...
See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More
Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...
See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More
Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...
See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More
Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...
See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More
Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...
See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More