Northern Canal, Pawtucket Gatehouse, Northern Canal & Merrimack River,...
Public domain photograph of textile design, fabric pattern, free to use, no copyright restrictions image - Picryl description
Upper Pacific Mills Bridge, Moved to Merrimack College, North Andover,...
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
Duck Bridge, Spanning Merrimack River on Union Street, Lawrence, Essex...
Significance: The Duck Bridge is the oldest double-intersection Warren through truss in the state under Massachusetts Department of Public Works purview, and is one of the state's oldest all-riveted bridges. I... More
Duck Bridge, Spanning Merrimack River on Union Street, Lawrence, Essex...
Significance: The Duck Bridge is the oldest double-intersection Warren through truss in the state under Massachusetts Department of Public Works purview, and is one of the state's oldest all-riveted bridges. I... 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 City Hall, 407 Merrimack Street, Lowell, Middlesex County, MA
Significance: The Lowell City Hall replaced Old City Hall (226 Merrimack Street) as the home of the city government, and in so doing, it symbolized Lowell's evolution from a mill town to a modern city. In cont... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... 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
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Northern Canal, Pawtucket Gatehouse, Northern Canal & Merrimack River,...
Public domain photograph - historical image of Massachusetts, United States, free to use, no copyright restrictions image - Picryl description
Moody Street Feeder, Gatehouse, Moody Street Feeder & Merrimack Canal,...
Significance: The Moody Street Feeder Gatehouse contains manually controlled equipment for operating the sluice gates which were used to control the flow of water through the Moody Street Feeder. Survey number... More
Upper Pacific Mills Bridge, Moved to Merrimack College, North Andover,...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Upper Pacific Mills Bridge, Moved to Merrimack College, North Andover,...
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
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
Aiken Street Bridge, Spanning Merrimack River on Aiken Street, Lowell,...
Significance: The Aiken Street Bridge is the longest lenticular bridge surviving in the United States, and is the only remaining example having more than three spans. It is the second oldest of the eight lenti... More
Aiken Street Bridge, Spanning Merrimack River on Aiken Street, Lowell,...
Significance: The Aiken Street Bridge is the longest lenticular bridge surviving in the United States, and is the only remaining example having more than three spans. It is the second oldest of the eight lenti... More
Eastern Canal, Boott Penstock, Between Eastern & Merrimack Canals, Low...
Significance: The existing penstock is fifth in a succession of channels conveying water from the Eastern Canal to the Merrimack Canal. The first of the penstocks was probably built about 1835, at the same tim... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... 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
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
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
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Northern Canal, Pawtucket Gatehouse, Northern Canal & Merrimack River,...
Picryl description: Public domain image of a chamber, cell, interior, underground vault architecture, free to use, no copyright restrictions.
Essex-Merrimac Bridge, Spanning Merrimack River between Newburyport & ...
Significance: The Essex-Merrimac Bridge is a 225-foot, single-span suspension bridge, which crosses the Merrimac River at the site of a previous Palladian, arched timber truss (1792-1810) built by Timothy Palme... More
Essex-Merrimac Bridge, Spanning Merrimack River between Newburyport & ...
Significance: The Essex-Merrimac Bridge is a 225-foot, single-span suspension bridge, which crosses the Merrimac River at the site of a previous Palladian, arched timber truss (1792-1810) built by Timothy Palme... More
Duck Bridge, Spanning Merrimack River on Union Street, Lawrence, Essex...
Significance: The Duck Bridge is the oldest double-intersection Warren through truss in the state under Massachusetts Department of Public Works purview, and is one of the state's oldest all-riveted bridges. I... More
Duck Bridge, Spanning Merrimack River on Union Street, Lawrence, Essex...
Significance: The Duck Bridge is the oldest double-intersection Warren through truss in the state under Massachusetts Department of Public Works purview, and is one of the state's oldest all-riveted bridges. I... More
Lowell Canal System, Pawtucket Dam, Merrimack River,above Pawtucket Fa...
Picryl description: Public domain image of a power dam, cascade, free to use, no copyright restrictions.
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 City Hall, 407 Merrimack Street, Lowell, Middlesex County, MA
Significance: The Lowell City Hall replaced Old City Hall (226 Merrimack Street) as the home of the city government, and in so doing, it symbolized Lowell's evolution from a mill town to a modern city. In cont... More
Western Canal, Pawtucket & Merrimack Canals vicinity, Lowell, Middlese...
Significance: The Western Canal was the only power canal in Lowell to be built on two levels, though the Pawtucket Canal also had an upper and a lower level. Construction on two levels meant that the same wate... 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
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Northern Canal, Pawtucket Gatehouse, Northern Canal & Merrimack River,...
Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.
Northern Canal, Pawtucket Gatehouse, Northern Canal & Merrimack River,...
Public domain photograph of textile, pattern design, free to use, no copyright restrictions image - Picryl description
Mills on the Merrimack River, Lowell, Massachusetts.
Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.
Upper Pacific Mills Bridge, Moved to Merrimack College, North Andover,...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Upper Pacific Mills Bridge, Moved to Merrimack College, North Andover,...
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
Upper Pacific Mills Bridge, Moved to Merrimack College, North Andover,...
Public domain photograph - historical image of Massachusetts, United States, free to use, no copyright restrictions image - Picryl description
Duck Bridge, Spanning Merrimack River on Union Street, Lawrence, Essex...
Significance: The Duck Bridge is the oldest double-intersection Warren through truss in the state under Massachusetts Department of Public Works purview, and is one of the state's oldest all-riveted bridges. I... More
Lowell Canal System, Pawtucket Dam, Merrimack River,above Pawtucket Fa...
Picryl description: Public domain image of a power dam, cascade, free to use, no copyright restrictions.
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
Merrimack Canal, Lowell, Middlesex County, MA
Significance: The Merrimack Canal was the first of the series of power canals constructed at Lowell. At the end of it, the Merrimack Mills produced textiles using the process developed by Francis Cabot Lowell ... More
Aiken Street Bridge, Spanning Merrimack River on Aiken Street, Lowell,...
Significance: The Aiken Street Bridge is the longest lenticular bridge surviving in the United States, and is the only remaining example having more than three spans. It is the second oldest of the eight lenti... More
Merrimack Canal, Merrimack Dam, Lowell, Middlesex County, MA
Significance: The Merrimack and Rolling Dams were built as part of the third phase of building of the Lowell Canal System, to provide intermediate levels between the Merrimack Canal, on the upper level, and the... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... 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
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Northern Canal, Pawtucket Gatehouse, Northern Canal & Merrimack River,...
Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.
Water Street Bridge, Spanning Boston & Maine Railroad tracks at Water ...
Significance: The bridge is one of 35 historic through girder bridges extant in the state of New Hampshire. It ranked fifth under the NHDOT bridge rating system. The bridge is technologically significant becaus... More
Essex-Merrimac Bridge, Spanning Merrimack River between Newburyport & ...
Significance: The Essex-Merrimac Bridge is a 225-foot, single-span suspension bridge, which crosses the Merrimac River at the site of a previous Palladian, arched timber truss (1792-1810) built by Timothy Palme... More
Essex-Merrimac Bridge, Spanning Merrimack River between Newburyport & ...
Significance: The Essex-Merrimac Bridge is a 225-foot, single-span suspension bridge, which crosses the Merrimac River at the site of a previous Palladian, arched timber truss (1792-1810) built by Timothy Palme... More
Upper Pacific Mills Bridge, Moved to Merrimack College, North Andover,...
Public domain photograph - historical image of Massachusetts, United States, free to use, no copyright restrictions image - Picryl description
Upper Pacific Mills Bridge, Moved to Merrimack College, North Andover,...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Upper Pacific Mills Bridge, Moved to Merrimack College, North Andover,...
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.