Chesapeake & Ohio Canal, Aqueduct No. 11
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Lehigh Valley Railroad, Easton Station, Corner of Canal Street & Smith...
Significance: Combination REA, freight depot, and passenger station laid out beneath the main line viaduct of the Lehigh Valley Railroad (LVRR). An interlocking tower marks the west end of the station, adjacen... More
Snyder's Fording Covered Bridge, (Straban-Tyrone Township), Hunterstow...
Significance: An example of mid-nineteenth-century covered bridge construction. Survey number: HABS PA-351 Building/structure dates: 1868 Initial Construction
Stevens Viaduct, Spanning Tom's Creek (Hamiltonban Township), Iron Spr...
Significance: Early bridge construction. Survey number: HABS PA-347 Building/structure dates: ca. 1820 Initial Construction
Lehigh Canal, Hokendauqua Dam, Lehigh River 300 feet north of Hokendau...
Significance: 416 foot stone and timber crib dam with an effective height of 6.9 feet, impounding a slackwater pool 2000 yards upstream to the outlet lock of Section Five. Originally built in 1829, the dam has... More
Lehigh Canal, Lock 10, 2,300 feet south of Weissport-Lehighton Bridge,...
Significance: 22 by 100 foot lock constructed in 1829 by the Lehigh Coal and Navigation Company. The tenth of twelve locks in the 5.5 mile Section One between Dam 1 at Jim Thorpe and the outlet lock at Parryvi... More
Lehigh Canal, Lock 25, 800 feet south of Walnutport-Slatington Bridge,...
Significance: 22 by 100 foot lock constructed by the Lehigh Coal and Navigation Company. The third of seven locks (originally eight) in the four mile Section Three between the Lehigh Gap Dam and the outlet loc... More
Baltimore & Ohio Railroad, Patterson Viaduct, West Bank of Patapsco Ri...
Survey number: HAER MD-12 Public domain photograph of a bridge, arch over water, river, free to use, no copyright restrictions image - Picryl description
Bethlehem Union Station, Between Lehigh Valley Railroad & Reading Rail...
Significance: Two story brick over steel frame with a full height central waiting room, capped with the remnants of a stained glass skylight, glazed tile walls and shops around the perimeter. Built in 1924 bet... More
Matthews Bridge, Spanning Loch Raven Reservoir on Dulaney Valley Road,...
Significance: In 1908 the General Assembly empowered the city of Baltimore to establish a reservoir in the valley of the Gunpowder River in Baltimore County. On May 1, 1913, an agreement was entered into betw... More
Matthews Bridge, Spanning Loch Raven Reservoir on Dulaney Valley Road,...
Significance: In 1908 the General Assembly empowered the city of Baltimore to establish a reservoir in the valley of the Gunpowder River in Baltimore County. On May 1, 1913, an agreement was entered into betw... More
Matthews Bridge, Spanning Loch Raven Reservoir on Dulaney Valley Road,...
Significance: In 1908 the General Assembly empowered the city of Baltimore to establish a reservoir in the valley of the Gunpowder River in Baltimore County. On May 1, 1913, an agreement was entered into betw... More
Matthews Bridge, Spanning Loch Raven Reservoir on Dulaney Valley Road,...
Significance: In 1908 the General Assembly empowered the city of Baltimore to establish a reservoir in the valley of the Gunpowder River in Baltimore County. On May 1, 1913, an agreement was entered into betw... More
Matthews Bridge, Spanning Loch Raven Reservoir on Dulaney Valley Road,...
Significance: In 1908 the General Assembly empowered the city of Baltimore to establish a reservoir in the valley of the Gunpowder River in Baltimore County. On May 1, 1913, an agreement was entered into betw... More
Matthews Bridge, Spanning Loch Raven Reservoir on Dulaney Valley Road,...
Significance: In 1908 the General Assembly empowered the city of Baltimore to establish a reservoir in the valley of the Gunpowder River in Baltimore County. On May 1, 1913, an agreement was entered into betw... More
Matthews Bridge, Spanning Loch Raven Reservoir on Dulaney Valley Road,...
Significance: In 1908 the General Assembly empowered the city of Baltimore to establish a reservoir in the valley of the Gunpowder River in Baltimore County. On May 1, 1913, an agreement was entered into betw... More
Matthews Bridge, Spanning Loch Raven Reservoir on Dulaney Valley Road,...
Significance: In 1908 the General Assembly empowered the city of Baltimore to establish a reservoir in the valley of the Gunpowder River in Baltimore County. On May 1, 1913, an agreement was entered into betw... More
Matthews Bridge, Spanning Loch Raven Reservoir on Dulaney Valley Road,...
Significance: In 1908 the General Assembly empowered the city of Baltimore to establish a reservoir in the valley of the Gunpowder River in Baltimore County. On May 1, 1913, an agreement was entered into betw... More
Short Bridge, Spanning South Santiam River at High Deck Road, Cascadia...
Significance: Built in 1945 to replace an earlier bridge at this site, Short Bridge illustrates Linn County's distinctive open-sided housing that was designed to increase visibility and reduce wind resistance. ... More
Short Bridge, Spanning South Santiam River at High Deck Road, Cascadia...
Significance: Built in 1945 to replace an earlier bridge at this site, Short Bridge illustrates Linn County's distinctive open-sided housing that was designed to increase visibility and reduce wind resistance. ... More
Short Bridge, Spanning South Santiam River at High Deck Road, Cascadia...
Significance: Built in 1945 to replace an earlier bridge at this site, Short Bridge illustrates Linn County's distinctive open-sided housing that was designed to increase visibility and reduce wind resistance. ... More
Short Bridge, Spanning South Santiam River at High Deck Road, Cascadia...
Significance: Built in 1945 to replace an earlier bridge at this site, Short Bridge illustrates Linn County's distinctive open-sided housing that was designed to increase visibility and reduce wind resistance. ... More
Short Bridge, Spanning South Santiam River at High Deck Road, Cascadia...
Significance: Built in 1945 to replace an earlier bridge at this site, Short Bridge illustrates Linn County's distinctive open-sided housing that was designed to increase visibility and reduce wind resistance. ... More
Short Bridge, Spanning South Santiam River at High Deck Road, Cascadia...
Significance: Built in 1945 to replace an earlier bridge at this site, Short Bridge illustrates Linn County's distinctive open-sided housing that was designed to increase visibility and reduce wind resistance. ... More
Short Bridge, Spanning South Santiam River at High Deck Road, Cascadia...
Significance: Built in 1945 to replace an earlier bridge at this site, Short Bridge illustrates Linn County's distinctive open-sided housing that was designed to increase visibility and reduce wind resistance. ... More
Short Bridge, Spanning South Santiam River at High Deck Road, Cascadia...
Significance: Built in 1945 to replace an earlier bridge at this site, Short Bridge illustrates Linn County's distinctive open-sided housing that was designed to increase visibility and reduce wind resistance. ... More
Short Bridge, Spanning South Santiam River at High Deck Road, Cascadia...
Significance: Built in 1945 to replace an earlier bridge at this site, Short Bridge illustrates Linn County's distinctive open-sided housing that was designed to increase visibility and reduce wind resistance. ... More
Yakima Valley Transportation Company Interurban Railroad, Naches River...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Yakima Valley Transportation Company Interurban Railroad, Naches River...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Yakima Valley Transportation Company Interurban Railroad, Naches River...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Yakima Valley Transportation Company Interurban Railroad, Naches River...
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
Yakima Valley Transportation Company Interurban Railroad, Naches River...
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
Yakima Valley Transportation Company Interurban Railroad, Naches River...
Public domain photograph - historical image of Washington State, United States, free to use, no copyright restrictions image - Picryl description
Yakima Valley Transportation Company Interurban Railroad, Naches River...
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
Coldwater Bridge, Spanning Coldwater Creek on Old Railroad Bed Road, F...
Significance: The bridge derives its significance as an unusual example of the pony Warren truss type. The bridge also possesses historical significance in Lincoln County transportation (railroad) history. Sur... More
Coldwater Bridge, Spanning Coldwater Creek on Old Railroad Bed Road, F...
Significance: The bridge derives its significance as an unusual example of the pony Warren truss type. The bridge also possesses historical significance in Lincoln County transportation (railroad) history. Sur... More
Coldwater Bridge, Spanning Coldwater Creek on Old Railroad Bed Road, F...
Significance: The bridge derives its significance as an unusual example of the pony Warren truss type. The bridge also possesses historical significance in Lincoln County transportation (railroad) history. Sur... More
Coldwater Bridge, Spanning Coldwater Creek on Old Railroad Bed Road, F...
Significance: The bridge derives its significance as an unusual example of the pony Warren truss type. The bridge also possesses historical significance in Lincoln County transportation (railroad) history. Sur... More
Coldwater Bridge, Spanning Coldwater Creek on Old Railroad Bed Road, F...
Significance: The bridge derives its significance as an unusual example of the pony Warren truss type. The bridge also possesses historical significance in Lincoln County transportation (railroad) history. Sur... More
Coldwater Bridge, Spanning Coldwater Creek on Old Railroad Bed Road, F...
Significance: The bridge derives its significance as an unusual example of the pony Warren truss type. The bridge also possesses historical significance in Lincoln County transportation (railroad) history. Sur... More
Coldwater Bridge, Spanning Coldwater Creek on Old Railroad Bed Road, F...
Significance: The bridge derives its significance as an unusual example of the pony Warren truss type. The bridge also possesses historical significance in Lincoln County transportation (railroad) history. Sur... More
Coldwater Bridge, Spanning Coldwater Creek on Old Railroad Bed Road, F...
Significance: The bridge derives its significance as an unusual example of the pony Warren truss type. The bridge also possesses historical significance in Lincoln County transportation (railroad) history. Sur... More
Coldwater Bridge, Spanning Coldwater Creek on Old Railroad Bed Road, F...
Significance: The bridge derives its significance as an unusual example of the pony Warren truss type. The bridge also possesses historical significance in Lincoln County transportation (railroad) history. Sur... More
Coldwater Bridge, Spanning Coldwater Creek on Old Railroad Bed Road, F...
Significance: The bridge derives its significance as an unusual example of the pony Warren truss type. The bridge also possesses historical significance in Lincoln County transportation (railroad) history. Sur... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Cairo Bridge, Spanning Ohio River, Cairo, Alexander County, IL
See also HAER NE-2 for additional documentation. Survey number: HAER IL-36
Cairo Bridge, Spanning Ohio River, Cairo, Alexander County, IL
See also HAER NE-2 for additional documentation. Survey number: HAER IL-36
Cairo Bridge, Spanning Ohio River, Cairo, Alexander County, IL
See also HAER NE-2 for additional documentation. Survey number: HAER IL-36
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of rural landscape, California, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of rural landscape, California, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of rural landscape, California, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of rural landscape, California, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of rural landscape, California, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of rural landscape, California, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of rural landscape, California, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of rural landscape, California, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of rural landscape, California, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of rural landscape, California, no copyright restrictions image - Picryl description
Yosemite National Park Roads & Bridges, Yosemite Village, Mariposa Cou...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description