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
James River & Kanawha Canal, Locks 1-5, Tenth to Thirteenth Streets, n...
Significance: From the late eighteenth century until the 1880s, an important and far-flung canal system gradually emerged on the Richmond scene. Envisioned by George Washington and others, the canal system eve... More
James River & Kanawha Canal, Locks 1-5, Tenth to Thirteenth Streets, n...
Significance: From the late eighteenth century until the 1880s, an important and far-flung canal system gradually emerged on the Richmond scene. Envisioned by George Washington and others, the canal system eve... More
James River & Kanawha Canal, Locks 1-5, Tenth to Thirteenth Streets, n...
Significance: From the late eighteenth century until the 1880s, an important and far-flung canal system gradually emerged on the Richmond scene. Envisioned by George Washington and others, the canal system eve... 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, 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
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
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
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
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
Upper White River Lock & Dam Nos. 1, 2, & 3, Spanning White River, Bat...
Survey number: HAER AR-91 Building/structure dates: 1900 Initial Construction
Delaware & Raritan Canal, Lock, On Delaware Canal, North of Hamilton, ...
Significance: Lock 13 was one of 14 locks in a canal totaling 65.5 miles in length, connecting the Raritan River at New Brunswick, New Jersey, to the Delaware River at Bordentown and at Raven Rock, New Jersey, ... More
Appleton Locks & Dams, Lock Shelter at Lock 4, Near Lower Gate of Lock...
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 shelte... More
Appleton Locks & Dams, Garage at Lock 4, West of Lawe Street, East of ...
Significance: The garage serves as part of the lockkeeper's residence complex. Survey number: HAER WI-84-M Building/structure dates: 1957 Initial Construction
Appleton Locks & Dams, Garages at Lock 1, Appleton, Outagamie County, ...
Significance: The garages served as part of the lockkeeper's residence complex. Survey number: HAER WI-84-C Building/structure dates: 1978 Initial Construction
Chesapeake & Ohio Canal, Lock No. 64 2/3, State Route 51 Vicinity, Tow...
Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.
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, Lock 37, 67.0 miles above tidewater, Antietam...
Unprocessed Field note material exists for this structure: FN-94 Survey number: HABS MD-207
Ohio & Erie Canal, Lock No. 28, East of Junction of Major & Rivervie...
Public domain image of an arch structure, bridge, historic place ruins, classical architecture, free to use, no copyright restrictions - Picryl description
Illinois Waterway, Brandon Road Lock and Dam , 1100 Brandon Road, Joli...
Public domain scan of a technical diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.
Cedars Lock & Dam, Lockkeeper's Residence, Approximately 50 feet North...
Significance: The Lockkeeper's house served as an on-site headquarters for the lockkeeper responsible for operating the locks. In addition, the house served as a residence for the lockkeeper's family. The res... More
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
Chesapeake & Ohio Canal, Lock No. 20, MacArthur Boulevard, Great Falls...
Unprocessed Field note material exists for this structure: FN-39 Survey number: HABS MD-57-E
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
Gallipolis Locks & Dam, Locks, Across Ohio River, Gallipolis, Mason Co...
Significance: There are two locks, the main lock longer than the auxiliary one. These are the essential feature of the system to allow navigation on the Ohio River. Survey number: HAER WV-58-C
Gallipolis Locks & Dam, Locks, Across Ohio River, Gallipolis, Mason Co...
Significance: There are two locks, the main lock longer than the auxiliary one. These are the essential feature of the system to allow navigation on the Ohio River. Survey number: HAER WV-58-C
Gallipolis Locks & Dam, Locks, Across Ohio River, Gallipolis, Mason Co...
Significance: There are two locks, the main lock longer than the auxiliary one. These are the essential feature of the system to allow navigation on the Ohio River. Survey number: HAER WV-58-C
Gallipolis Locks & Dam, Locks, Across Ohio River, Gallipolis, Mason Co...
Significance: There are two locks, the main lock longer than the auxiliary one. These are the essential feature of the system to allow navigation on the Ohio River. Survey number: HAER WV-58-C
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
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
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
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
Chesapeake & Ohio Canal, Lock 44, 99.3 miles above tidewater (Canal St...
Survey number: HABS MD-785 Public domain photograph - historical image of Ohio, United States, free to use, no copyright restrictions image - Picryl description
Delaware & Raritan Canal, Outlet Locks, Between State Route 18 & Rarit...
Survey number: HAER NJ-61 Public domain photograph - New Jersey, United States, free to use, no copyright restrictions image - Picryl description
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
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
Appleton Locks & Dams, Fox River at Oneida Street, Appleton, Outagamie...
Significance: The Appleton Locks and Dams Complex allows passage for watercraft around 1 1/2 miles of rapids as well as a 4 foot falls present in the Lower Fox River at Appleton. Survey number: HAER WI-84 Bui... More
Appleton Locks & Dams, Fox River at Oneida Street, Appleton, Outagamie...
Significance: The Appleton Locks and Dams Complex allows passage for watercraft around 1 1/2 miles of rapids as well as a 4 foot falls present in the Lower Fox River at Appleton. Survey number: HAER WI-84 Bui... More
Erie Canal, Yankee Hill Lock Number 28, Schoharie Creek Aqueduct Vicin...
Significance: Part of the remaining fabric of a historic transportation system. Survey number: HAER NY-16 Building/structure dates: 1841 Initial Construction Building/structure dates: ca. 1970 National Reg... More
Little Chute Lock & Dam, Fox River at Mill Street, Little Chute, Outag...
Significance: The Little Chute Locks and Dam Complex allowed passage for water craft in an otherwise unnavigable stretch of the Fox River at Little Chute created by a 36 foot drop in elevation in a little under... More
Little Chute Lock & Dam, Fox River at Mill Street, Little Chute, Outag...
Significance: The Little Chute Locks and Dam Complex allowed passage for water craft in an otherwise unnavigable stretch of the Fox River at Little Chute created by a 36 foot drop in elevation in a little under... More
Kaukauna Lock & Dam, Fox River at Canal Street, Kaukauna, Outagamie Co...
Significance: The Kaukauna Locks and Dam Complex provides passage around drop in elevation of 50 feet in the Lower Fox River at Kaukauna. The complex served as an integral part of the Lower Fox River Waterway ... More
Kaukauna Lock & Dam, Fox River at Canal Street, Kaukauna, Outagamie Co...
Significance: The Kaukauna Locks and Dam Complex provides passage around drop in elevation of 50 feet in the Lower Fox River at Kaukauna. The complex served as an integral part of the Lower Fox River Waterway ... More
Kaukauna Lock & Dam, Fox River at Canal Street, Kaukauna, Outagamie Co...
Significance: The Kaukauna Locks and Dam Complex provides passage around drop in elevation of 50 feet in the Lower Fox River at Kaukauna. The complex served as an integral part of the Lower Fox River Waterway ... More
Kaukauna Lock & Dam, Fox River at Canal Street, Kaukauna, Outagamie Co...
Significance: The Kaukauna Locks and Dam Complex provides passage around drop in elevation of 50 feet in the Lower Fox River at Kaukauna. The complex served as an integral part of the Lower Fox River Waterway ... 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
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