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...
Public domain image of cattle, livestock, farm animals, agriculture, free to use, no copyright restrictions - Picryl description
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
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
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
Potowmack Company: Great Falls Canal & Locks, Great Falls, Fairfax Cou...
Significance: The Great Falls Canal was a pioneer effort in the comprehensive development of a river navigation system. Constructed in the years (1786-1802) following the American Revolution, George Washington... More
Delaware & Raritan Canal, Lock 6A, Between Greenwood & Hamilton Avenue...
Significance: Lock 6A is a representative example of canal lock design and construction of its time. It was the last lock to be constructed on the Delaware and Raritan Canal, which was first placed in operatio... More
Delaware & Raritan Canal, Lock 6A, Between Greenwood & Hamilton Avenue...
Significance: Lock 6A is a representative example of canal lock design and construction of its time. It was the last lock to be constructed on the Delaware and Raritan Canal, which was first placed in operatio... More
Savannah & Ogeechee Barge Canal, Between Ogeechee & Savannah Rivers, S...
For additional documentation, see also HALS GA-5 (Savannah-Ogeechee Canal) Significance: The Savannah and Ogeechee Canal was the first barge canal built in Georgia. Built during the 'canal building' era of Ame... More
Savannah & Ogeechee Barge Canal, Between Ogeechee & Savannah Rivers, S...
For additional documentation, see also HALS GA-5 (Savannah-Ogeechee Canal) Significance: The Savannah and Ogeechee Canal was the first barge canal built in Georgia. Built during the 'canal building' era of Ame... More
Erie Canal (Enlarged), Lock Number 18, 252 North Mohawk Street, Cohoes...
Significance: Lock 18 of the Enlarged Erie Canal was part of a scheme to reduce the number of locks between Albany and Schenectady, thus making transportation easier and speedier on what was one of the most dif... More
Ohio & Erie Canal, Lock No. 38, Canal & Hillside Roads, Valley View, C...
Unprocessed Field note material exists for this structure: FN-16 Survey number: HAER OH-59-C Building/structure dates: 1827 Initial Construction Building/structure dates: 1906 Subsequent Work National Regis... More
Ohio & Erie Canal, Lock No. 38, Canal & Hillside Roads, Valley View, C...
Unprocessed Field note material exists for this structure: FN-16 Survey number: HAER OH-59-C Building/structure dates: 1827 Initial Construction Building/structure dates: 1906 Subsequent Work National Regis... More
Holt Lock & Dam, Warrior River, Holt, Tuscaloosa County, AL
Significance: This structure includes a lock against the left bank with inside chamber dimensions of 110 by 600 feet, a maximum lift of 64 feet, and a spillway controlled by 14 individually-operated tainter gat... More
Ohio & Erie Canal, Lock No. 37, At Canal & Fitzwater Roads, Valley Vie...
Unprocessed Field note material exists for this structure: FN-16 Survey number: HAER OH-59-B Building/structure dates: 1826 Initial Construction Building/structure dates: 1906 Subsequent Work National Regis... More
Illinois Waterway, Thomas J. O'Brien Lock and Control Works, East 130t...
Significance: The Thomas J. O'Brien Lock and Control Works is significant as a component of the Illinois Waterway, a navigable route linking Lake Michigan with the Mississippi River and beyond. The lock and co... More
Cedars Lock & Dam, 4527 East Wisconsin Road, Little Chute, Outagamie C...
Significance: The Cedars Lock and Dam Complex allowed passage around the Cedars Rapids for watercraft navigating between Little Chute and Appleton and thus served as one integral part of the Lower Fox River Wat... More
Chicago Sanitary and Ship Canal, Extends 33.9 miles from Chicago to Lo...
Significance: To deal with Chicago's water supply and pollution issues, the engineers of the Sanitary District devised an innovative approach that involved diluting the city's sewage with water drawn from Lake ... More
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
Rapide Croche Lock & Dam, At 22.8 mile marker on Lower Fox River, Wrig...
Significance: The Rapide Croche Lock and Dam Complex allowed water navigation around rapids in the Fox River for boats traveling between Kaukauna and Green Bay. This complex served as an integral part of the Lo... More
Chesapeake & Ohio Canal, Feeder Lock at Dam 5, 106.8 miles above tidew...
Survey number: HABS MD-788 Public domain photograph - historical image of Ohio, United States, free to use, no copyright restrictions image - Picryl description
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
Illinois Waterway, Peoria Lock and Dam, 1071 Wesley Road, Creve Coeur,...
Significance: The Peoria Lock and Dam site is significant as a component of the Illinois Waterway, which provided a navigable route from Lake Michigan to the Mississippi River and beyond. Peoria Dam is also si... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...
Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...
Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...
Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...
Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...
Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...
Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...
Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...
Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...
Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...
Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...
Public domain photograph - historical image of Mississippi, United States, free to use, no copyright restrictions image - Picryl description
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...
Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.
Pawtucket Canal, Guard Locks, Lowell, Middlesex County, MA
Significance: The Guard Locks were the first set of locks constructed in the Lowell System which are still in existence. They have, however, been altered and added to since first put into use. The Guard Locks... More
Pawtucket Canal, Guard Locks, Lowell, Middlesex County, MA
Significance: The Guard Locks were the first set of locks constructed in the Lowell System which are still in existence. They have, however, been altered and added to since first put into use. The Guard Locks... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...
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. 9, Lynxville, C...
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. 9, Lynxville, C...
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. 9, Lynxville, C...
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. 9, Lynxville, C...
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 Project, Lock & Dam No. 7, Dres...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 7, Dres...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 7, Dres...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 7, Dres...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 7, Dres...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Pawtucket Canal, Swamp Locks, Pawtucket & Merrimack Canals, Lowell, Mi...
Significance: The Swamp Locks complex consists of a flight of two navigation locks with a dam at the west end of the upper lock. The original locks opened in 1797, and were rebuilt in 1822-1823 when this confi... More
Pawtucket Canal, Swamp Locks, Pawtucket & Merrimack Canals, Lowell, Mi...
Significance: The Swamp Locks complex consists of a flight of two navigation locks with a dam at the west end of the upper lock. The original locks opened in 1797, and were rebuilt in 1822-1823 when this confi... More
Illinois Waterway, La Grange Lock and Dam, 3/4 mile south of Country 7...
Significance: La Grange Lock and Dam is significant as a component of the Illinois Waterway, which was developed to provide a navigable route from Lake Michigan to the Mississippi River and beyond. La Grange D... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5A, Win...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5A, Win...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5A, Win...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5A, Win...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5, Minn...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5, Minn...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5, Minn...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5, Minn...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5, Minn...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5, Minn...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5, Minn...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5, Minn...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Illinois Waterway, Lockport Lock, Dam and Power House, 2502 Channel Dr...
Significance: The Lockport Lock, Dam and Power House Historic District is significant both for its role in navigation of the Chicago Sanitary and Ship Canal and the Illinois Waterway and for the vertical lift l... More
Miami & Erie Canal Locks, Loramie Portage site vicinity, Lockington, S...
Significance: The locks are the highest point on the Miami and Erie Canal, commenced in 1825 from Cincinnati to Dayton and completed in 1845 to Toledo. Survey number: HABS OH-411 Building/structure dates: ca.... 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
Chesapeake & Ohio Canal, Lift Lock No. 66, State Route 51, Town Creek,...
Unprocessed Field note material exists for this structure: FN-7 Survey number: HAER MD-30-C
Illinois Waterway, Brandon Road Lock and Dam , 1100 Brandon Road, Joli...
Public domain photograph - historical image of Illinois, United States, free to use, no copyright restrictions image - Picryl description
Illinois Waterway, Brandon Road Lock and Dam , 1100 Brandon Road, Joli...
Public domain photograph - historical image of Illinois, United States, free to use, no copyright restrictions image - Picryl description
Illinois Waterway, Brandon Road Lock and Dam , 1100 Brandon Road, Joli...
Public domain photograph of water reservoir, lake, free to use, no copyright restrictions image - Picryl description
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
Chesapeake & Ohio Canal, Lock 47, 108.6 miles above tidewater, William...
Unprocessed Field note material exists for this structure: FN-107 Survey number: HABS MD-211
Chesapeake & Ohio Canal, Lock 33 Complex, 60.7 miles above tidewater, ...
Survey number: HABS MD-762 Public domain photograph - historical image of Ohio, United States, free to use, no copyright restrictions image - Picryl description
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
Hamilton Canal, Jackson Street vicinity, Lowell, Middlesex County, MA
Picryl description: Public domain image of a canal, barge, historic place, water reflection, 19th century, free to use, no copyright restrictions.
Chesapeake & Ohio Canal, Stop Lock at Dam No. 4, 85.62 miles above tid...
Significance: The Stop Lock at Dam Number Four served to prevent back flooding of the canal above the dam during periods of high water and also served to prevent the loss of water from the canal during emergenc... More
Chesapeake & Ohio Canal, Lock 55, 134.1 miles above tidewater (Dam 6),...
Survey number: HABS MD-799 Public domain photograph - historical image of Ohio, United States, free to use, no copyright restrictions image - Picryl description
Illinois Waterway, Marseilles Lock and Dam, 1 Hawk Drive, Marseilles, ...
Significance: Marseilles Lock and Dam Historic District is significant as a component of the Illinois Waterway, which was developed to provide a navigable route from Lake Michigan to the Mississippi River and b... More
Illinois Waterway, Marseilles Lock and Dam, 1 Hawk Drive, Marseilles, ...
Significance: Marseilles Lock and Dam Historic District is significant as a component of the Illinois Waterway, which was developed to provide a navigable route from Lake Michigan to the Mississippi River and b... More
Illinois Waterway, Marseilles Lock and Dam, 1 Hawk Drive, Marseilles, ...
Significance: Marseilles Lock and Dam Historic District is significant as a component of the Illinois Waterway, which was developed to provide a navigable route from Lake Michigan to the Mississippi River and b... More
Illinois Waterway, Marseilles Lock and Dam, 1 Hawk Drive, Marseilles, ...
Significance: Marseilles Lock and Dam Historic District is significant as a component of the Illinois Waterway, which was developed to provide a navigable route from Lake Michigan to the Mississippi River and b... 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
Chesapeake & Ohio Canal, Lock 36, 62.4 miles above tidewater, Sharpsbu...
Unprocessed Field note material exists for this structure: FN-115 Survey number: HABS MD-775
Bear Trap Dam, State Route 115, Stoddartsville, Luzerne County, PA
Significance: The dam is the best preserved example of the two remaining dams from a one-way slack water navigation system for carrying coal, lumber, and milled products down the Lehigh River. Developed by Josi... 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
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