American Locomotive Company, Foundry, 320 South Roberts Street, Dunkir...
Significance: Using steel frame construction and sheathed in brick and glass, the American Locomotive Company's Foundry building is a typical example of 20th century industrial architecture. Survey number: HAE... More
New York State Barge Canal, Grain Elevator Terminal, Henry Street Basi...
Significance: This 1,800,000 bushel (2,250,000 cubic feet) capacity grain storage facility was originally built as part of the New York State Barge Canal system. It comprises 120 circular reinforced concrete b... More
New York Municipal Airport, Marine Air Terminal, Grand Central Parkway...
Significance: La Guardia Airport's Marine Air Terminal is one of the only surviving examples of terminals built especially for the service of "Clipper Ships," sea planes that routinely made Trans-Atlantic cross... More
Long Island Railroad, Manhasset Bridge, Manhasset Shore Road Vicinity,...
Significance: Representative example of a turn of the century high steel trestle. This trestle was built on the last major section of the present Long Island Railroad. Survey number: HAER NY-81 Building/stru... More
Sands Point Lighthouse, Middle Neck Road, Munsey Park, Nassau County, ...
Significance: The lighthouse at Sands Point is a representative example masonry lighthouse construction in the early 19th century. It is also an example of the many lighthouses that have aided navigation in and... More
Shur's Lane Mill, 428 Shur's Lane, Philadelphia, Philadelphia County, ...
Significance: Representative example of steam powered textile mills built in Manayunk after the Civil War. Survey number: HAER PA-73 Building/structure dates: 1882 Initial Construction
Boston & Providence Railroad, Stoughton Station, 53 Wyman Street, Stou...
Significance: The train station at Stoughton is one of the last remaining towered stations built in Massachusetts by the railroads during the late 19th and early 20th century. It is also the first and probably... More
Blackstone Canal, State Route 126, Central Falls, Providence County, R...
Significance: The Blackstone canal was one of the regions first long distance transportation systems. It was one of the waterways that helped to spawn the industrial development that took place in the Blacksto... More
Black River Canal, Locks 39-43, State Route 46, Boonville, Oneida Coun...
Significance: Locks 39-43 near Boonevill are typical of the 109 locks that comprised the 25 miles of the Black River Canal. A feeder to the Erie Canal, the Black River Canal remained in use until 1923 and outl... More
Black River Canal, Locks 39-43, State Route 46, Boonville, Oneida Coun...
Significance: Locks 39-43 near Boonevill are typical of the 109 locks that comprised the 25 miles of the Black River Canal. A feeder to the Erie Canal, the Black River Canal remained in use until 1923 and outl... More
Black River Canal, Locks 39-43, State Route 46, Boonville, Oneida Coun...
Significance: Locks 39-43 near Boonevill are typical of the 109 locks that comprised the 25 miles of the Black River Canal. A feeder to the Erie Canal, the Black River Canal remained in use until 1923 and outl... More
Black River Canal, Locks 39-43, State Route 46, Boonville, Oneida Coun...
Significance: Locks 39-43 near Boonevill are typical of the 109 locks that comprised the 25 miles of the Black River Canal. A feeder to the Erie Canal, the Black River Canal remained in use until 1923 and outl... More
Black River Canal, Locks 39-43, State Route 46, Boonville, Oneida Coun...
Significance: Locks 39-43 near Boonevill are typical of the 109 locks that comprised the 25 miles of the Black River Canal. A feeder to the Erie Canal, the Black River Canal remained in use until 1923 and outl... More
Black River Canal, Locks 39-43, State Route 46, Boonville, Oneida Coun...
Significance: Locks 39-43 near Boonevill are typical of the 109 locks that comprised the 25 miles of the Black River Canal. A feeder to the Erie Canal, the Black River Canal remained in use until 1923 and outl... More
Black River Canal, Locks 39-43, State Route 46, Boonville, Oneida Coun...
Significance: Locks 39-43 near Boonevill are typical of the 109 locks that comprised the 25 miles of the Black River Canal. A feeder to the Erie Canal, the Black River Canal remained in use until 1923 and outl... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...
Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More
Pratt Institute, Power Generating Plant, Willoughby Avenue between Cla...
Significance: The Pratt Insititute Power Plant contains three direct current generators built by General Electric that are directly connected with three horizontal reciprocating steam engines manufactured by th... More
Pratt Institute, Power Generating Plant, Willoughby Avenue between Cla...
Significance: The Pratt Insititute Power Plant contains three direct current generators built by General Electric that are directly connected with three horizontal reciprocating steam engines manufactured by th... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Speicher Bridge, Church Road over Tulpehocken Creek between Penn & Nor...
Significance: Speicher Bridge, a rural iron highway bridge, is a good example from the important mid-19th century era of metal bridge technology. Unprocessed Field note material exists for this structure: FN-7... More
Delaware, Lackawanna & Western Railroad, Atlanta Passenger & Freight S...
Significance: The station at Atlanta is a representative example of the "combination" station (one that has the ability to service both freight and passengers separately under the same roof). This station is v... More
Delaware, Lackawanna & Western Railroad, Atlanta Passenger & Freight S...
Significance: The station at Atlanta is a representative example of the "combination" station (one that has the ability to service both freight and passengers separately under the same roof). This station is v... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Union Station Viaduct, Spanning Gaspee, Francis, Promenade & Canal Str...
Significance: In the late 19th century the city of Providence began filling in its tidal basin and undertook construction of a new Union Station Complex. A viaduct, utilizing a series of box-girder bridges, wa... More
Potomac Aqueduct, Spanning Potomac River, Washington, District of Colu...
Significance: The Potomac Aqueduct was an important component in the integrated canal system serving the Potomac River watershed. Built during a major expansion in America's long distance transportation system... More
Potomac Aqueduct, Spanning Potomac River, Washington, District of Colu...
Significance: The Potomac Aqueduct was an important component in the integrated canal system serving the Potomac River watershed. Built during a major expansion in America's long distance transportation system... More
Potomac Aqueduct, Spanning Potomac River, Washington, District of Colu...
Significance: The Potomac Aqueduct was an important component in the integrated canal system serving the Potomac River watershed. Built during a major expansion in America's long distance transportation system... More