New Jersey Zinc Company, Palmerton Plant, Between Route 248 & Hazard R...
Significance: The New Jersey Zinc Company opened its Palmerton Plant to produce metalic zinc, zinc oxide, spelter, and spiegeleisen from ores mined in Sussex County, New Jersey. The plant included over 31 buil... More
301 Abington Avenue (House), Huntsville, Madison County, AL
Survey number: HAER AL-156 Public domain photograph - historical image of Alabama, United States, free to use, no copyright restrictions image - Picryl description
Boone Furnace, Boone Furnace, Carter County, KY
Unprocessed Field note material exists for this structure: N1351 Survey number: HAER KY-40 Building/structure dates: 1987
Lehigh Canal, Monocacy Creek Aqueduct, Lehigh Canal across Monocacy Cr...
Significance: One of four aqueducts constructed by the Lehigh Coal and Navigation Company in 1829. Although the other three made use of wooden troughs on stone abutments and piers, the Monocacy Creek Aqueduct,... More
Los Angeles Aqueduct, Mojave, Los Angeles, Los Angeles County, CA
Survey number: HAER CA-298-Y Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description
Everett Iron Company, Locomotive Shop, 0.25 mile Southwest of Everett,...
Survey number: HAER PA-379-B Building/structure dates: before 1910 Initial Construction
East Side Highway Tunnel, Through mountain spur on East Side Highway, ...
Survey number: HAER WA-75 Building/structure dates: 1939 Initial Construction National Register of Historic Places NRIS Number: 97000344
Merritt Parkway, Riversville Road (East Branch) Bridge, Spanning River...
Significance: The bridges of the Merritt Parkway were predominately inspired by the Art Deco and Art Moderne architectural style of the 1930s. Experimental forming techniques were employed to create the orname... More
Ricks Foundry, Office, Miller Avenue off South Mount Vernon Street, Un...
Survey number: HAER PA-366-C Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
Venturi Meter, Holden, Worcester County, MA
Significance: Constructed for the world's Columbian Exposition, in Chicago, in 1893. It was then donated to the Alden Research Laboratory where it served for many years as a standard for the calibration of oth... More
Los Angeles Aqueduct, Jawbone, Los Angeles, Los Angeles County, CA
Survey number: HAER CA-298-W Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description
Baltimore-Washington Parkway, Greenbelt, Prince George's County, MD
Significance: The federal section of the Baltimore-Washington Parkway was constructed to provide a dignified entrance to the nation's capital. The parkway also provided a new traffic artery that relieved conge... More
Acadia National Park Motor Roads, Bar Harbor, Hancock County, ME
Significance: Motorists visiting Acadia National Park enjoy a variety of experiences on the park's acclaimed road system. The principal park road is the Park Loop Road, a 20-mile circuit around the eastern hal... More
Kennecott Copper Corporation, Leaching Plant, On Copper River & Northw...
Significance: The original leaching plant (now the south end of the building) was constructed in 1915 and went into production the next year. The first four leaching tanks could process 300 tons of ore per day... More
Acadia National Park Motor Roads, Bar Harbor, Hancock County, ME
Significance: Motorists visiting Acadia National Park enjoy a variety of experiences on the park's acclaimed road system. The principal park road is the Park Loop Road, a 20-mile circuit around the eastern hal... More
Acadia National Park Motor Roads, Bar Harbor, Hancock County, ME
Significance: Motorists visiting Acadia National Park enjoy a variety of experiences on the park's acclaimed road system. The principal park road is the Park Loop Road, a 20-mile circuit around the eastern hal... More
Baltimore-Washington Parkway, Greenbelt, Prince George's County, MD
Significance: The federal section of the Baltimore-Washington Parkway was constructed to provide a dignified entrance to the nation's capital. The parkway also provided a new traffic artery that relieved conge... More
Crater Lake National Park Roads, Klamath Falls, Klamath County, OR
Significance: The primary roads in Crater Lake National Park were designed and constructed to provide visitor access to the park's scenic features, which are largely concentrated along the rim of Crater Lake. ... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Mill Creek Bridge, Spanning Mill Creek at River Street (State Route 20...
Significance: This filled-spandrel stone arch bridge is distinguished by its 39' span over Mill Creek with an impressive 32'10" clear height. Unusual corbels at the spring line, used to support temporary center... More
TLF Creek Bridge, Spanning TLF Creek at Northeast Entrance Road, Lake,...
Significance: TLF Creek Bridge typifies the early design philosophy of the National Park Service, which was to use indigenous materials to harmonize man-made features with their natural surroundings. This phil... More
Zion-Mount Carmel Highway, Short Tunnel, Passing through Rock Spur on ...
Significance: The development of the Zion-Mt. Carmel Highway is significant to the development of the National Parks in Utah and Arizona. Access to the for parks in this area, Bryce Canyon, Grand Canyon, Cedar... More
Historic Columbia River Highway, Oneonta Gorge Creek Bridge, Spanning ...
Significance: One of two nearly identical reinforced-concrete girder trestles on the Historic Columbia River Highway and one of four extant structures on the route that have a distinctive cap and arch concrete ... More
Historic Columbia River Highway, Oneonta Gorge Creek Bridge, Spanning ...
Significance: One of two nearly identical reinforced-concrete girder trestles on the Historic Columbia River Highway and one of four extant structures on the route that have a distinctive cap and arch concrete ... More
Historic Columbia River Highway, Oneonta Gorge Creek Bridge, Spanning ...
Significance: One of two nearly identical reinforced-concrete girder trestles on the Historic Columbia River Highway and one of four extant structures on the route that have a distinctive cap and arch concrete ... 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
Peevy Road Bridge, Peevy Road spanning Perkiomen Creek in Upper Hanove...
Significance: The Peevy Road Bridge is an outstanding and exceptionally well-preserved example of a Pratt through truss by the Dayton, Ohio based Columbia Bridge Works. It exemplifies a number of innovations a... More
Fishing Bridge, Spanning Yellowstone River at East Entrance Road, Lake...
Significance: Fishing Bridge typifies the early design philosophy of the National Park Service, which was to use indigenous materials to harmonize man-made features with their natural surroundings. This philos... More
Chinook Pass Entrance, Spanning Mather Memorial Highway at Chinook Pas...
Significance: One of the most impressive gateways to a national park, the Chinook Pass Entrance is a bold example of the "rustic style" of architecture employed by the National Park Service. the log and masonr... More
St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...
Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More
Robbins & Lawrence Armory, 196 Main Street, Windsor, Windsor County, V...
Significance: The period of significance for the private Armory is 1846-1856. The factory was constructed in 1846 and was the site of innovation and invention in the manufacture of firearms and machine tools un... More
Robbins & Lawrence Armory, 196 Main Street, Windsor, Windsor County, V...
Significance: The period of significance for the private Armory is 1846-1856. The factory was constructed in 1846 and was the site of innovation and invention in the manufacture of firearms and machine tools un... More
Robbins & Lawrence Armory, 196 Main Street, Windsor, Windsor County, V...
Significance: The period of significance for the private Armory is 1846-1856. The factory was constructed in 1846 and was the site of innovation and invention in the manufacture of firearms and machine tools un... More
Robbins & Lawrence Armory, 196 Main Street, Windsor, Windsor County, V...
Significance: The period of significance for the private Armory is 1846-1856. The factory was constructed in 1846 and was the site of innovation and invention in the manufacture of firearms and machine tools un... More
Robbins & Lawrence Armory, 196 Main Street, Windsor, Windsor County, V...
Significance: The period of significance for the private Armory is 1846-1856. The factory was constructed in 1846 and was the site of innovation and invention in the manufacture of firearms and machine tools un... More
Central Park Bridges, Bridge No. 27, Central Park, Southwest of Reserv...
Survey number: HAER NY-193 National Register of Historic Places NRIS Number: 66000538
Griffin No. 1 Coke Works, Along Cats Run, Southeast of Masontown Bouro...
Significance: During peak production, Griffin No. 1 Coke Works operated one battery of double-block rectangular coke ovens. Sections of these ovens remain and are considered some of the best preserved rectangu... More
Griffin No. 1 Coke Works, Along Cats Run, Southeast of Masontown Bouro...
Significance: During peak production, Griffin No. 1 Coke Works operated one battery of double-block rectangular coke ovens. Sections of these ovens remain and are considered some of the best preserved rectangu... More
Merritt Parkway, South Avenue/Route 124 Bridge, Spanning Merritt Parkw...
Significance: The bridges of the Merritt Parkway were predominately inspired by the Art Deco and Art Moderne architectural style of the 1930s. Experimental forming techniques were employed to create the orname... More
Merritt Parkway, South Avenue/Route 124 Bridge, Spanning Merritt Parkw...
Significance: The bridges of the Merritt Parkway were predominately inspired by the Art Deco and Art Moderne architectural style of the 1930s. Experimental forming techniques were employed to create the orname... More
Mauser Mill Company, Breadfruit Drive at Lehigh Canal, Treichlers, Nor...
Significance: This mid to late 19th century five-story roller mill originally drew water to power its turbine from the Lehigh Canal level above Lock 28, exhausting its tailrace under the canal through a culvert... More
Elm City Cotton Mill, 1000 Elm Street, La Grange, Troup County, GA
Survey number: HAER GA-128 Building/structure dates: 1905-1907 Initial Construction
Hoover Dam, Spanning Colorado River at Route 93, Boulder City, Clark C...
Significance: It is a National Historic Landmark, an American Civil Engineering Landmark, and the focus of an historic district listed on the National Register of Historic Places. The dam was constructed betwee... More
Hoover Dam, Spanning Colorado River at Route 93, Boulder City, Clark C...
Significance: It is a National Historic Landmark, an American Civil Engineering Landmark, and the focus of an historic district listed on the National Register of Historic Places. The dam was constructed betwee... More
River Road Bridge, Spanning Spring Creek in Spring Creek Township, Hal...
Significance: The River Road Bridge is technologically and historically significant as a rare surviving example of a pin-connected Pratt through truss from the period of circa 1880 to 1910; in Pennsylvania Depa... More
River Road Bridge, Spanning Spring Creek in Spring Creek Township, Hal...
Significance: The River Road Bridge is technologically and historically significant as a rare surviving example of a pin-connected Pratt through truss from the period of circa 1880 to 1910; in Pennsylvania Depa... More
River Road Bridge, Spanning Spring Creek in Spring Creek Township, Hal...
Significance: The River Road Bridge is technologically and historically significant as a rare surviving example of a pin-connected Pratt through truss from the period of circa 1880 to 1910; in Pennsylvania Depa... More
Historic Columbia River Highway, Crown Point Viaduct, Encircling Vista...
Significance: A half-viaduct designed to carry pedestrians around the outer edge of a spiral section of roadway around the top of a 725' promontory on the Historic Columbia River Highway. Ingenious use of rein... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
North Branch Quantico Creek Bridge, Prince William Forest Park, on NPS...
Significance: This bridge is representative of a common bridge type that became indigenous to the late nineteenth to early twentieth century landscape of America: a low Pratt pony metal truss bridge. The bridg... More
Watertown Arsenal, Building No. 43, Arsenal Street, Watertown, Middles...
Significance: Building No. 43 is one of the earliest buildings on the present AMTL property and was integral to the industrial development of the Watertown Arsenal after 1862. It was originally erected as a Sm... More
NASA Langley Research Center, 8-Foot Transonic Pressure Tunnel, 640 Th...
Significance: The 8-Foot Transonic Pressure Tunnel was the first of Langley's wind tunnels to be built incorporating the new slotted throat tunnel design from its inception. A significant improvement over its r... More
NASA Langley Research Center, 8-Foot Transonic Pressure Tunnel, 640 Th...
Significance: The 8-Foot Transonic Pressure Tunnel was the first of Langley's wind tunnels to be built incorporating the new slotted throat tunnel design from its inception. A significant improvement over its r... More
Big Hole Pump Station, Old Highway 43, Divide, Silver Bow County, MT
The address has been updated from "Old Highway #43" to "816 Pumphouse Road (Old Highway 43)." Significance: The Big Hole Pump Station and original rock-filled crib dam were constructed in 1899. Butte Water Comp... More
Big Hole Pump Station, Old Highway 43, Divide, Silver Bow County, MT
The address has been updated from "Old Highway #43" to "816 Pumphouse Road (Old Highway 43)." Significance: The Big Hole Pump Station and original rock-filled crib dam were constructed in 1899. Butte Water Comp... More
Mauna Loa Road, Volcano, Hawaii County, HI
Significance: The Hawaii Volcanoes National Park road system provides access to active volcanoes and related landscapes along with varied ecosystems and archaeological sites. It represents the traditional NPS ... More
Eastside Reservoir, Diamond & Domenigoni Valleys, southwest of Hemet, ...
Reservoir should be full by 2004. Survey number: HAER CA-248 Building/structure dates: 1999 Initial Construction
Eastside Reservoir, Diamond & Domenigoni Valleys, southwest of Hemet, ...
Reservoir should be full by 2004. Survey number: HAER CA-248 Building/structure dates: 1999 Initial Construction
Baltimore & Ohio Railroad, Harpers Ferry Station, Potomac Street, Harp...
Significance: The train station at Harpers Ferry provides an excellent opportunity to study the relationship between railroad engineering and railroad economics. Designed by architect E. Francis Baldwin, the s... More
Baltimore & Ohio Railroad, Harpers Ferry Station, Potomac Street, Harp...
Significance: The train station at Harpers Ferry provides an excellent opportunity to study the relationship between railroad engineering and railroad economics. Designed by architect E. Francis Baldwin, the s... More
Baltimore & Ohio Railroad, Harpers Ferry Station, Potomac Street, Harp...
Significance: The train station at Harpers Ferry provides an excellent opportunity to study the relationship between railroad engineering and railroad economics. Designed by architect E. Francis Baldwin, the s... More
Hinds Pump Plant, East of Joshua Tree National Monument, 5 miles north...
Survey number: HAER CA-246 Public domain photograph of theater building, free to use, no copyright restrictions image - Picryl description
Hinds Pump Plant, East of Joshua Tree National Monument, 5 miles north...
Survey number: HAER CA-246 Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Bridgeport Downtown, Bridgeport, Jackson County, AL
Significance: Bridgeport's history and small remnants of its built environment are representative of late-nineteenth century speculative "boom towns" that spread through the South and other areas of the United ... More
Bridgeport Downtown, Bridgeport, Jackson County, AL
Significance: Bridgeport's history and small remnants of its built environment are representative of late-nineteenth century speculative "boom towns" that spread through the South and other areas of the United ... More
Cenex-Harvest States Grain Cooperatives, Dock Street between Hughitt A...
Significance: The Cenex-Harvest States Grain Cooperatives complex is part of a group of several grain elevators built in the first half of the twentieth century on the opposing Lake Superior harbors of Duluth, ... More
Pond Creek Bridge, Spanning Pond Creek at Bear Lake Road (State Route ...
Significance: This structure is an excellent example of a WPA-sponsored project because of its well-preserved condition and undisturbed setting, where it spans Pond Creek on a rural road just outside of Lackawa... More
Pittsburgh Steel Company, Monessen Works, Open Hearth Plant, Donner Av...
Significance: The open hearth steelmaking plant of the Monessen Works was built in 1908. Pittsburgh Steel installed eight 95 ton, basic open hearth furnaces in a 1,055 x 280 feet steel-frame, metal-clad buildi... More
Pittsburgh Steel Company, Monessen Works, Open Hearth Plant, Donner Av...
Significance: The open hearth steelmaking plant of the Monessen Works was built in 1908. Pittsburgh Steel installed eight 95 ton, basic open hearth furnaces in a 1,055 x 280 feet steel-frame, metal-clad buildi... More
Aluminum City Terrace, East Hill Drive, New Kensington, Westmoreland C...
See also HAER PA-343 for related documentation. Includes written data. Significance: Aluminum City Terrace, the only housing project in America designed by world-renowned architects Walter Gropius and Marcel Br... More
J. A. Minter & Son Plantation, 3 County Road 462, Selma, Dallas County...
Significance: With various frame outbuildings (including a seed house, a corn crib and two other storage buildings) and the plantation store extent, J.A. Minter & Son's farm is representative of the plantation ... More
J. A. Minter & Son Plantation, 3 County Road 462, Selma, Dallas County...
Significance: With various frame outbuildings (including a seed house, a corn crib and two other storage buildings) and the plantation store extent, J.A. Minter & Son's farm is representative of the plantation ... More
J. A. Minter & Son Plantation, 3 County Road 462, Selma, Dallas County...
Significance: With various frame outbuildings (including a seed house, a corn crib and two other storage buildings) and the plantation store extent, J.A. Minter & Son's farm is representative of the plantation ... More
Davis Avenue Bridge, Spanning Woods Run Avenue at Davis Avenue, Pittsb...
Significance: The bridge is a cantilevered structure constructed for transportation, social, and municipal purposes. Constructed before Allegheny City was consolidated into greater Pittsburgh, the bridge repres... More
Russian-American Company Magazin, 101 Marine Way East, Kodiak, Kodiak ...
Significance: The Russian-American Company Magazin is thought to have been constructed after 1804, but prior to the removal of the Company's headquarters to Sitka (originally New Archangel) in 1808. The Magazin... More
U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela Riv...
See also HAER PA-200 for additional documentation. Includes written data (pages 76 through 94). Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the na... More
U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela Riv...
See also HAER PA-200 for additional documentation. Includes written data (pages 76 through 94). Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the na... More
U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela Riv...
See also HAER PA-200 for additional documentation. Includes written data (pages 76 through 94). Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the na... More
U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela Riv...
See also HAER PA-200 for additional documentation. Includes written data (pages 76 through 94). Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the na... More
U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela Riv...
See also HAER PA-200 for additional documentation. Includes written data (pages 76 through 94). Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the na... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Maggie Creek Bridge, 11 miles west of Elko, Elko, Elko County, NV
Survey number: HAER NV-38 Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description
Shelter Island Windmill, Manwaring Road, Shelter Island, Suffolk Count...
Significance: The Shelter Island Windmill is one of eleven surviving 18th and early-19th century wind-powered gristmills on Long Island. This is one of four extant windmills built by Nathaniel Dominy V, a prom... More
George Washington Bridge, Spanning Hudson River between Manhattan & Fo...
Significance: At the time of its construction, the George Washington Bridge was the longest span suspension bridge in the world. Survey number: HAER NY-129
George Washington Bridge, Spanning Hudson River between Manhattan & Fo...
Significance: At the time of its construction, the George Washington Bridge was the longest span suspension bridge in the world. Survey number: HAER NY-129
George Washington Bridge, Spanning Hudson River between Manhattan & Fo...
Significance: At the time of its construction, the George Washington Bridge was the longest span suspension bridge in the world. Survey number: HAER NY-129
George Washington Bridge, Spanning Hudson River between Manhattan & Fo...
Significance: At the time of its construction, the George Washington Bridge was the longest span suspension bridge in the world. Survey number: HAER NY-129
George Washington Bridge, Spanning Hudson River between Manhattan & Fo...
Significance: At the time of its construction, the George Washington Bridge was the longest span suspension bridge in the world. Survey number: HAER NY-129
George Washington Bridge, Spanning Hudson River between Manhattan & Fo...
Significance: At the time of its construction, the George Washington Bridge was the longest span suspension bridge in the world. Survey number: HAER NY-129
George Washington Bridge, Spanning Hudson River between Manhattan & Fo...
Significance: At the time of its construction, the George Washington Bridge was the longest span suspension bridge in the world. Survey number: HAER NY-129
George Washington Bridge, Spanning Hudson River between Manhattan & Fo...
Significance: At the time of its construction, the George Washington Bridge was the longest span suspension bridge in the world. Survey number: HAER NY-129
Missouri Botanical Garden, Japanese Tea House, 2345 Tower Grove Avenue...
Survey number: HABS MO-1135-I National Register of Historic Places NRIS Number: 71001065
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