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Appleton Locks & Dams, Storage Building at Lock 3, South of Lock 3, near Upper Gate, Appleton, Outagamie County, WI

Appleton Locks & Dams, Storage Building at Lock 3, South of Lock 3, ne...

Significance: The storage building functions as part of the daily operation of the Appleton Locks and Dams Complex. Survey number: HAER WI-84-J Building/structure dates: 1978 Initial Construction

Chesapeake & Ohio Canal, Lock No. 63 1/3, State Route 51 Vicinity, Town Creek, Allegany County, MD

Chesapeake & Ohio Canal, Lock No. 63 1/3, State Route 51 Vicinity, Tow...

Unprocessed Field note material exists for this structure: FN-5 Survey number: HAER MD-30-A Building/structure dates: HAER MD-30-A

Illinois Waterway, Starved Rock Lock and Dam , 950 North 27th Road, Utica, La Salle County, IL

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

Champlain Canal, Waterford Locks, U.S. Route 4, Waterford, Saratoga County, NY

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

Illinois Waterway, Brandon Road Lock and Dam , 1100 Brandon Road, Joliet, Will County, IL

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, Joliet, Will County, IL

Illinois Waterway, Brandon Road Lock and Dam , 1100 Brandon Road, Joli...

Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.

Illinois Waterway, Brandon Road Lock and Dam , 1100 Brandon Road, Joliet, Will County, IL

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.

Pawtucket Canal, Pawtucket Falls vicinity, Lowell, Middlesex County, MA

Pawtucket Canal, Pawtucket Falls vicinity, Lowell, Middlesex County, M...

Significance: Originally constructed to facilitate the transporting of goods from inland New England to the sea at Newburyport, the Pawtucket Canal was later used as the basis for the extensive power canal syst... More

Gallipolis Locks & Dam, Across Ohio River, Gallipolis, Mason County, WV

Gallipolis Locks & Dam, Across Ohio River, Gallipolis, Mason County, W...

Public domain photograph of 19th-century vintage card, vintage travel, free to use, no copyright restrictions image - Picryl description

Lowell Canal System, Merrimack & Concord Rivers, Lowell, Middlesex County, MA

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 County, MA

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 44, 99.3 miles above tidewater (Canal Street), Williamsport, Washington County, MD

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 & Raritan River, New Brunswick, Middlesex County, NJ

Delaware & Raritan Canal, Outlet Locks, Between State Route 18 & Rarit...

Survey number: HAER NJ-61 Public domain photograph of a canal, water landscape, free to use, no copyright restrictions image - Picryl description

Bear Trap Dam, State Route 115, Stoddartsville, Luzerne County, PA

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, Calion, Union County, AR

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, Calion, Union County, AR

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, Calion, Union County, AR

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 County, WI

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 County, WI

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 County, WI

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

Little Chute Lock & Dam, Fox River at Mill Street, Little Chute, Outagamie County, WI

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, Outagamie County, WI

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, Outagamie County, WI

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, Outagamie County, WI

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 County, WI

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 County, WI

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 County, WI

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 County, WI

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 County, WI

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, Niagara County, NY

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, Niagara County, NY

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

Chesapeake & Ohio Canal, Lockhouse at Lock 22, Pennyfield Lock Road, State Route 190 Vicinity, Seneca, Montgomery County, MD

Chesapeake & Ohio Canal, Lockhouse at Lock 22, Pennyfield Lock Road, S...

Unprocessed Field note material exists for this structure: FN-40 Survey number: HABS MD-56-Q

Chesapeake & Ohio Canal, Lock 31, 58.0 miles above tidewater (U.S. Route 340 Vicinity), Weverton, Washington County, MD

Chesapeake & Ohio Canal, Lock 31, 58.0 miles above tidewater (U.S. Rou...

Survey number: HABS MD-755 Public domain photograph of a tunnel, arch structure, free to use, no copyright restrictions image - Picryl description

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau, Trempealeau County, WI

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, Trempealeau County, WI

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

Delaware & Raritan Canal, Lock 6A, Between Greenwood & Hamilton Avenues, Trenton, Mercer County, NJ

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

Erie Canal Locks, Ilion, Herkimer County, NY

Erie Canal Locks, Ilion, Herkimer County, NY

Survey number: HABS NY-6040 National Register of Historic Places NRIS Number: 66000530

Savannah & Ogeechee Barge Canal, Between Ogeechee & Savannah Rivers, Savannah, Chatham County, GA

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, Savannah, Chatham County, GA

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, Savannah, Chatham County, GA

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, Savannah, Chatham County, GA

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, Albany County, NY

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, Cuyahoga County, OH

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

Illinois Waterway, Thomas J. O'Brien Lock and Control Works, East 130th Street, Chicago, Cook County, IL

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

Ohio & Erie Canal, Lock No. 29, On Cuyahoga River, 600 feet north of Main Street (Route 303), Peninsula, Summit County, OH

Ohio & Erie Canal, Lock No. 29, On Cuyahoga River, 600 feet north of M...

Unprocessed Field note material exists for this structure: FN-16 Survey number: HAER OH-59-A Building/structure dates: 1827 Initial Construction Building/structure dates: 1906 Subsequent Work National Regis... More

Ohio & Erie Canal, Lock No. 29, On Cuyahoga River, 600 feet north of Main Street (Route 303), Peninsula, Summit County, OH

Ohio & Erie Canal, Lock No. 29, On Cuyahoga River, 600 feet north of M...

Unprocessed Field note material exists for this structure: FN-16 Survey number: HAER OH-59-A Building/structure dates: 1827 Initial Construction Building/structure dates: 1906 Subsequent Work National Regis... More

Cedars Lock & Dam, 4527 East Wisconsin Road, Little Chute, Outagamie County, WI

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

Cedars Lock & Dam, 4527 East Wisconsin Road, Little Chute, Outagamie County, WI

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

Wabash & Erie Canal, Lock No. 2, 8 miles east of Fort Wayne, adjacent to U.S. Route 24, New Haven, Allen County, IN

Wabash & Erie Canal, Lock No. 2, 8 miles east of Fort Wayne, adjacent ...

Significance: Lock No. 2 is an example of a wood lock, many of which once existed along the original line of the Wabash and Erie Canal. More fragile than those supported by dressed stone, locks which were cons... More

Wabash & Erie Canal, Lock No. 2, 8 miles east of Fort Wayne, adjacent to U.S. Route 24, New Haven, Allen County, IN

Wabash & Erie Canal, Lock No. 2, 8 miles east of Fort Wayne, adjacent ...

Significance: Lock No. 2 is an example of a wood lock, many of which once existed along the original line of the Wabash and Erie Canal. More fragile than those supported by dressed stone, locks which were cons... More

Wabash & Erie Canal, Lock No. 2, 8 miles east of Fort Wayne, adjacent to U.S. Route 24, New Haven, Allen County, IN

Wabash & Erie Canal, Lock No. 2, 8 miles east of Fort Wayne, adjacent ...

Significance: Lock No. 2 is an example of a wood lock, many of which once existed along the original line of the Wabash and Erie Canal. More fragile than those supported by dressed stone, locks which were cons... More

Wabash & Erie Canal, Lock No. 2, 8 miles east of Fort Wayne, adjacent to U.S. Route 24, New Haven, Allen County, IN

Wabash & Erie Canal, Lock No. 2, 8 miles east of Fort Wayne, adjacent ...

Significance: Lock No. 2 is an example of a wood lock, many of which once existed along the original line of the Wabash and Erie Canal. More fragile than those supported by dressed stone, locks which were cons... More

Wabash & Erie Canal, Lock No. 2, 8 miles east of Fort Wayne, adjacent to U.S. Route 24, New Haven, Allen County, IN

Wabash & Erie Canal, Lock No. 2, 8 miles east of Fort Wayne, adjacent ...

Significance: Lock No. 2 is an example of a wood lock, many of which once existed along the original line of the Wabash and Erie Canal. More fragile than those supported by dressed stone, locks which were cons... More

Northern Canal, Waste Gates, Lowell, Middlesex County, MA

Northern Canal, Waste Gates, Lowell, Middlesex County, MA

Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.

James River & Kanawha Canal, South River Dam & Lock, Maury River, Lexington, Lexington, Virginia

James River & Kanawha Canal, South River Dam & Lock, Maury River, Lexi...

Significance: Located on the western bank of the Maury River (formerly the North River) approximately one-quarter mile upstream from its junction with the South River. In its present condition, the dam is appr... More

Rapide Croche Lock & Dam, At 22.8 mile marker on Lower Fox River, Wrightstown, Brown County, WI

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

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

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 Mississippi River near Houston County, MN, Genoa, Vernon County, WI

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 Mississippi River near Houston County, MN, Genoa, Vernon County, WI

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 Mississippi River near Houston County, MN, Genoa, Vernon County, WI

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 Mississippi River near Houston County, MN, Genoa, Vernon County, WI

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 Mississippi River near Houston County, MN, Genoa, Vernon County, WI

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, Tazewell County, IL

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

Illinois Waterway, Peoria Lock and Dam, 1071 Wesley Road, Creve Coeur, Tazewell County, IL

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, Buffalo County, WI

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, Buffalo County, WI

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, Buffalo County, WI

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, Buffalo County, WI

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, Buffalo County, WI

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, Buffalo County, WI

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

Bonneville Project, Navigation Lock No. 1, Oregon shore of Columbia River near first Powerhouse, Bonneville, Multnomah County, OR

Bonneville Project, Navigation Lock No. 1, Oregon shore of Columbia Ri...

Survey number: HAER OR-11-D Building/structure dates: 1937 Initial Construction

Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red Wing, Goodhue County, MN

Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...

Picryl description: Public domain photograph of a dock, harbor, boats, water, free to use, no copyright restrictions.

Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red Wing, Goodhue County, MN

Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...

Picryl description: Public domain photograph of a dock, harbor, boats, water, free to use, no copyright restrictions.

Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red Wing, Goodhue County, MN

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.

Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red Wing, Goodhue County, MN

Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...

Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.

Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red Wing, Goodhue County, MN

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

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

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

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

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, north of Canal Street, Richmond, Independent City, Virginia

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, north of Canal Street, Richmond, Independent City, Virginia

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, north of Canal Street, Richmond, Independent City, Virginia

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, Crawford County, WI

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, Crawford County, WI

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, Crawford County, WI

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, Crawford County, WI

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, Dresbach, Winona County, MN

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, Dresbach, Winona County, MN

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, Dresbach, Winona County, MN

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, Dresbach, Winona County, MN

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, Dresbach, Winona County, MN

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, Dresbach, Winona County, MN

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, Middlesex County, MA

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 795N at Illinois River, Versailles, Brown County, IL

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 795N at Illinois River, Versailles, Brown County, IL

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, Winona, Winona County, MN

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, Winona, Winona County, MN

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, Winona, Winona County, MN

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, Winona, Winona County, MN

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

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