guard locks

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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

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

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

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

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

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

Illinois & Michigan Canal, Des Plaines River Guard-Locks, Below Lift Lock No. 5, Joliet, Will County, IL

Illinois & Michigan Canal, Des Plaines River Guard-Locks, Below Lift L...

Significance: The Illinois and Michigan Canal originally crossed the DePlaines River at Joliet behind a slackwater dam. A guard lock along the river was built along with Lift Lock No. 5; with the completion of... More

Illinois & Michigan Canal, Des Plaines River Guard-Locks, Below Lift Lock No. 5, Joliet, Will County, IL

Illinois & Michigan Canal, Des Plaines River Guard-Locks, Below Lift L...

Significance: The Illinois and Michigan Canal originally crossed the DePlaines River at Joliet behind a slackwater dam. A guard lock along the river was built along with Lift Lock No. 5; with the completion of... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Branch of Susquehanna River South bank, 500 feet East of Jay Street Bridge, Lock Haven, Clinton County, PA

Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...

Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More

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

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

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

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

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

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

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

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

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

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

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