Old Croton Aqueduct, Saw Mill River Culvert, Spanning Nepperhan Avenue...
Public domain image of an arch structure, bridge, historic place ruins, classical architecture, free to use, no copyright restrictions - Picryl description
Old Croton Aqueduct, Saw Mill River Culvert, Spanning Nepperhan Avenue...
Public domain photograph - city, downtown, New York, United States, free to use, no copyright restrictions image - Picryl description
Old Croton Aqueduct, Saw Mill River Culvert, Spanning Nepperhan Avenue...
Public domain photograph - New York, United States, free to use, no copyright restrictions image - Picryl description
Old Croton Aqueduct, Saw Mill River Culvert, Spanning Nepperhan Avenue...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Massachusetts Avenue Bridge, Spanning Rock Creek & Potomac Parkway, Wa...
Significance: This bridge, on axis with Massachusetts Avenue, replaced an earth-fill crossing that had been constructed in 1901; it was breached by a culvert through which a narrow two-lane road later passed. ... More
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Vicksburg National Military Park Roads & Bridges, Melan Arch Bridges, ...
Significance: The nine Melan arch viaducts on Union Avenue were an integral part of the overall tour route through Vicksburg National Military Park, providing visitors safe and easy access to points of interest... More
Vicksburg National Military Park Roads & Bridges, Melan Arch Bridges, ...
Significance: The nine Melan arch viaducts on Union Avenue were an integral part of the overall tour route through Vicksburg National Military Park, providing visitors safe and easy access to points of interest... More
La Bajada Community Ditch and Mutual Domestic Water Association, Acequ...
STORED ON SITE. mchr Significance: La Bajada village with its long lots and adjacent acequia is a typical example of a New Mexican vernacular landscape. The acequia system is perhaps the most significant featu... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Burlington Northern Santa Fe Railroad, Cajon Subdivision, Between Cajo...
Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More
Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...
Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More
Great Smoky Mountains National Park Roads & Bridges, Little River Road...
Significance: Little River Road is an extremely prominent thoroughfare in Great Smoky Mountains National Park, second only to Newfound Gap Road. The transportation system in this park is representative of NPS ... More
Great Smoky Mountains National Park Roads & Bridges, Little River Road...
Significance: Little River Road is an extremely prominent thoroughfare in Great Smoky Mountains National Park, second only to Newfound Gap Road. The transportation system in this park is representative of NPS ... More
Route No. 1-Overton-Lake Mead Road, Culverts and Headwalls, 6 miles so...
Significance: The Route No. 1 Overton-Lake Mead Road contributed significantly to National park Service development of the Lake Mead National Recreation Area beginning in 1938. Stone masonry culvert headwalls a... More
Route No. 1-Overton-Lake Mead Road, Culverts and Headwalls, 6 miles so...
Significance: The Route No. 1 Overton-Lake Mead Road contributed significantly to National park Service development of the Lake Mead National Recreation Area beginning in 1938. Stone masonry culvert headwalls a... More
Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...
Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More
Marsh-Billings-Rockefeller Carriage Roads, Woodstock, Windsor County, ...
Significance: The result of Frederick Billings's efforts was a network of carriage roads giving access to the estate for utilitarian purposes, as well as providing a pleasurable encounter with the landscape. T... More
Marsh-Billings-Rockefeller Carriage Roads, Woodstock, Windsor County, ...
Significance: The result of Frederick Billings's efforts was a network of carriage roads giving access to the estate for utilitarian purposes, as well as providing a pleasurable encounter with the landscape. T... More
Marsh-Billings-Rockefeller Carriage Roads, Woodstock, Windsor County, ...
Significance: The result of Frederick Billings's efforts was a network of carriage roads giving access to the estate for utilitarian purposes, as well as providing a pleasurable encounter with the landscape. T... More
Marsh-Billings-Rockefeller Carriage Roads, Woodstock, Windsor County, ...
Significance: The result of Frederick Billings's efforts was a network of carriage roads giving access to the estate for utilitarian purposes, as well as providing a pleasurable encounter with the landscape. T... More
Marsh-Billings-Rockefeller Carriage Roads, Woodstock, Windsor County, ...
Significance: The result of Frederick Billings's efforts was a network of carriage roads giving access to the estate for utilitarian purposes, as well as providing a pleasurable encounter with the landscape. T... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Kalaupapa Water Supply System, Waikolu Valley to Kalaupapa Settlement,...
The address used in title block for the measured drawings incorrectly identifies the location as Maui County. The Kalaupapa Water Supply System is located in Kalawao County. Significance: From 1866, Hawaiians ... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Natchez Trace Parkway, Located between Natchez, MS & Nashville, TN, Tu...
Significance: A regional Good Roads movement championed by the Natchez Trace Military Highway Association in 1916 continued an effort initiated by the Mississippi Daughters of the American Revolution (DAR) to c... More
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of a bridge in the woods, water stream, free to use, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of a house, cottage, free to use, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain image of a mountain cliff view, natural rocky landscape, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Picryl description: Public domain photograph of a road works, construction, excavation, free to use, no copyright restrictions.
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Blue Ridge Parkway, Between Shenandoah National Park & Great Smoky Mou...
Public domain photograph of public works, FDR administration, New Deal, Great Depression, no copyright restrictions image - Picryl description
Great Smoky Mountains National Park Roads & Bridges, Cades Cove Road &...
Significance: The transportation system of Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the conservation work was underta... More
Great Smoky Mountains National Park Roads & Bridges, Cades Cove Road &...
Significance: The transportation system of Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the conservation work was underta... More
Great Smoky Mountains National Park Roads & Bridges, Cades Cove Road &...
Significance: The transportation system of Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the conservation work was underta... More
Culvert on Hinkey Summit Road. Paradise Valley, Nevada Folklife Collec...
ca. 1939 Maker: Pasquale, Virgil Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description The Paradise Valley Folklife Project wa... More
Sprague Creek Culvert, Spanning Sprague Creek at Going-to-the-Sun Road...
Significance: The Sprague Creek Culvert is one of approximately seventeen masonry and concrete structures on Going-to-the-Sun Road in Glacier National Park. The 51-mile stretch of scenic road is a unique engin... More
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of a quarry, mine, excavation, or mining site, free to use, no copyright restrictions.
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of an arch bridge, stone architecture, free to use, no copyright restrictions.
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph of park, trees, outdoors, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Hana Belt Road, Between Haiku and Kaipahulu, Hana, Maui County, HI
Public domain photograph - historical image of Hawaii, United States, free to use, no copyright restrictions image - Picryl description
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Grand Canyon National Park Roads, Apache Street Headwall No. 2, Southw...
Significance: This headwall is representative of rustic style road structures constructed by the Civilian Conservation Corps and other depression-era public works agencies within the western national parks duri... More
Hawaii Volcanoes National Park Roads, Volcano, Hawaii County, HI
See Thurston Lava Tube, HALS HI-6, for additional documentation. Significance: The Hawaii Volcanoes National Park road system provides access to active volcanoes and related landscapes along with varied ecosyst... More
Hawaii Volcanoes National Park Roads, Volcano, Hawaii County, HI
See Thurston Lava Tube, HALS HI-6, for additional documentation. Significance: The Hawaii Volcanoes National Park road system provides access to active volcanoes and related landscapes along with varied ecosyst... More
Hawaii Volcanoes National Park Roads, Volcano, Hawaii County, HI
See Thurston Lava Tube, HALS HI-6, for additional documentation. Significance: The Hawaii Volcanoes National Park road system provides access to active volcanoes and related landscapes along with varied ecosyst... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Happy Isles Bridge, Spanning Merced River on Service road, Yosemite Vi...
part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The Happy Isles Bridge exemplifies the National Park Service "rustic style" of architectu... More
Grand Canyon National Park Roads, Village Loop Headwall No. 1, Southea...
Significance: This headwall is representative of rustic style road structures constructed by the Civilian Conservation Corps and other depression-era public works agencies within the western national parks duri... More