Morony Hydroelectric Facility, Morony-to-Rainbow 100 kV Transmission L...
Significance: The transmission line played an integral role in the growth of Montana's electrical and mining industries in the first half of the twentieth century. Its construction enabled the transmission of h... More
Morony Hydroelectric Facility, Morony-to-Rainbow 100 kV Transmission L...
Significance: The transmission line played an integral role in the growth of Montana's electrical and mining industries in the first half of the twentieth century. Its construction enabled the transmission of h... More
Morony Hydroelectric Facility, Morony-to-Rainbow 100 kV Transmission L...
Significance: The transmission line played an integral role in the growth of Montana's electrical and mining industries in the first half of the twentieth century. Its construction enabled the transmission of h... More
Morony Hydroelectric Facility, Morony-to-Rainbow 100 kV Transmission L...
Significance: The transmission line played an integral role in the growth of Montana's electrical and mining industries in the first half of the twentieth century. Its construction enabled the transmission of h... 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
Heber Creeper Railroad Line, Section from Bridal Veil Falls to Vivian ...
Significance: The Bridal Veil Falls to Vivian Park section of the Heber Creeper Railroad grade is a portion of the larger Bridal Veil to Deer Creek Dam segment of the grade that has been determined eligible for... More
Hoover Dam, Henderson-Mead Transmission Line 2, Spanning Colorado Rive...
STORED OFF SITE AND ON SITE. mchr Significance: Previously known as a segment of the Davis-Hoover and the Hoover-Mead Transmission Lines, the documented segment of the Henderson-Mead Transmission Line 2 was con... More
Pasco-Kennewick Transmission Line, Columbia River Crossing Towers, Col...
Significance: The three electrical transmission line towers between Pasco Kennewick are the earliest known effort to span the Columbia River, by aerial means, with electrical lines strung between steel frame to... More
Pasco-Kennewick Transmission Line, Columbia River Crossing Towers, Col...
Significance: The three electrical transmission line towers between Pasco Kennewick are the earliest known effort to span the Columbia River, by aerial means, with electrical lines strung between steel frame to... More
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph of historic place in Washington DC, free to use, no copyright restrictions image - Picryl description
Highland Avenue & Baldwin Street Bridge, Spanning New Jersey Transit B...
Significance: The railroad over pass bridge is a contributing resource in the National Register-listed Glen Ridge Historic District, suburban community that developed in response to commuter rail service and is... More
Little Falls Tie Line Towers, Near Little Dam Falls on Spokane River, ...
Significance: The Little Falls Tie Lint Towers are significant as components of one of the trans-Mississippian West's earliest steel tower transmission lines. This system distributed electrical power from The ... More
Little Falls Tie Line Towers, Near Little Dam Falls on Spokane River, ...
Significance: The Little Falls Tie Lint Towers are significant as components of one of the trans-Mississippian West's earliest steel tower transmission lines. This system distributed electrical power from The ... More
Little Falls Tie Line Towers, Near Little Dam Falls on Spokane River, ...
Significance: The Little Falls Tie Lint Towers are significant as components of one of the trans-Mississippian West's earliest steel tower transmission lines. This system distributed electrical power from The ... More
Little Falls Tie Line Towers, Near Little Dam Falls on Spokane River, ...
Significance: The Little Falls Tie Lint Towers are significant as components of one of the trans-Mississippian West's earliest steel tower transmission lines. This system distributed electrical power from The ... More
Mystic Lake Hydroelectric Facility, Electric Transmission A Line, Alon...
Survey number: HAER MT-130-A Building/structure dates: 1923 Initial Construction
Central Pacific Transcontinental Railroad, Sacramento to Nevada state ...
Significance: The Central Pacific First Transcontinental Railroad is a segment of the western half of the first transcontinental railroad, built from Sacramento, California to Promontory Summit, Utah between 18... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
Philadelphia & Reading Railroad, Walnut Street Bridge, Spanning Readin...
Survey number: HAER PA-119 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
Shaker Heights Rapid Transit Line, Cleveland, Cuyahoga County, OH
Significance: The Shaker Heights Rapid Transit is the oldest segment of the larger regional transportation system. The Shaker Heights system was the only electric railway system to use the Union Terminal Tower... More
Ezra Searcy House, West of Prentiss-Tishimingo County Line, New Site, ...
Significance: The Ezra Searcy House was designed and built in 1906 by Daniel Searcy, Ezra's schoolteacher brother. The L-shaped plan of this frame house reflects the care and precision with which Daniel Searcy... More
Selby Avenue Bridge, Spanning Short Line Railways track at Selby Avenu...
Significance: The Selby Avenue Bridge is significant for its subtle delineation of an exceptional engineering solution to a difficult urban transportation design problem. Selby Avenue intersects the Short Line... More
Selby Avenue Bridge, Spanning Short Line Railways track at Selby Avenu...
Significance: The Selby Avenue Bridge is significant for its subtle delineation of an exceptional engineering solution to a difficult urban transportation design problem. Selby Avenue intersects the Short Line... More
Selby Avenue Bridge, Spanning Short Line Railways track at Selby Avenu...
Significance: The Selby Avenue Bridge is significant for its subtle delineation of an exceptional engineering solution to a difficult urban transportation design problem. Selby Avenue intersects the Short Line... More
South County Line Road Bridge, Spanning Flat River, Greenville, Montca...
Significance: The South County Line Road Bridge is a Pratt through truss with pinned connections. The bridge has withstood it environment for many years, having been built in 1880. It has been considered elig... More
South County Line Road Bridge, Spanning Flat River, Greenville, Montca...
Significance: The South County Line Road Bridge is a Pratt through truss with pinned connections. The bridge has withstood it environment for many years, having been built in 1880. It has been considered elig... More
South County Line Road Bridge, Spanning Flat River, Greenville, Montca...
Significance: The South County Line Road Bridge is a Pratt through truss with pinned connections. The bridge has withstood it environment for many years, having been built in 1880. It has been considered elig... More
Philadelphia & Reading Railroad, Pedestrian Suspension Bridge, Foot of...
See also HAER PA-121 for related documentation. Includes photographs. Significance: The Philadelphia & Reading Railroad's pedestrian suspension bridge was typical of short spans produced by the John A. Roebling... More
Chicago Skyway Toll Bridge, I-90, for 7.8 miles from South State Stree...
Significance: The Chicago Skyway Toll Bridge system crosses the Calumet River on a 650'-0"-long cantilever Warren through truss. This is Chicago's highest and longest bridge, and perhaps more importantly, its ... More
Colgate & Company Jersey City Plant, Between 1931 Pierhead Line, Essex...
Significance: The Colgate-Palmolive Company is one of the oldest and largest companies in the world making soap, detergents, and personal care products, with corporate origins beginning in 1806. The Jersey Cit... More
Nevada Test Site, Frenchman Flat Test Facility, Well Five Booster Stat...
Significance: The Well 5 Booster Stations have been determined eligible to the National Register of Historic Places because of their association with historical events of exceptional importance. These poured-c... More
Nevada Test Site, Frenchman Flat Test Facility, Well Five Booster Stat...
Significance: The Well 5 Booster Stations have been determined eligible to the National Register of Historic Places because of their association with historical events of exceptional importance. These poured-c... More
Smith Bridge, Spanning Meduxnekeag River at Lowery Road, 0.3 mile sout...
Significance: Constructed in 1910 by the Town of Houlton at a cost of $6,310.07, the Smith Bridge is a riveted steel, two-span Warren pony truss with an overall length of 173 feet. It is the second oldest and ... More
High Line Railroad, From Red Mountain to Fairfield Works, Birmingham, ...
Survey number: HAER AL-86 Public domain photograph - historical image of Alabama, United States, free to use, no copyright restrictions image - Picryl description
High Line Railroad, From Red Mountain to Fairfield Works, Birmingham, ...
Survey number: HAER AL-86 Public domain photograph - historical image of Alabama, United States, free to use, no copyright restrictions image - Picryl description
Hoover Dam, Metropolitan Water District Line 1, U.S. Highway 93, Bould...
Significance: The transmission line was a critical element of the Hoover Dam electrical generation and transmission system. The line provided Hoover Dam power for development of irrigation and municipal water d... More
James River Bridge, .6 mile North of Greene-Christian County Line, Spr...
Significance: James River Bridge was the first metal bridge constructed in the county and was associated with the Harrison-Springfield Road, a major 19th century commercial route. Survey number: HAER MO-44 Bu... More
James River Bridge, .6 mile North of Greene-Christian County Line, Spr...
Significance: James River Bridge was the first metal bridge constructed in the county and was associated with the Harrison-Springfield Road, a major 19th century commercial route. Survey number: HAER MO-44 Bu... More
Hondius Water Line, 1.6 miles Northwest of Park headquarters building ...
Significance: It is a symbol of the transition from agriculture to tourist-related industries in the Estes Park area which eventually culminated in the formation of Rocky Mountain National Park. Constructed and... More
Interborough Rapid Transit Subway (Original Line), New York, New York ...
Significance: The IRT was New York City's first subway. Unprocessed Field note material exists for this structure: N508 Survey number: HAER NY-122 Building/structure dates: ca. 1904 Initial Construction
Interborough Rapid Transit Subway (Original Line), New York, New York ...
Significance: The IRT was New York City's first subway. Unprocessed Field note material exists for this structure: N508 Survey number: HAER NY-122 Building/structure dates: ca. 1904 Initial Construction
Interborough Rapid Transit Subway (Original Line), New York, New York ...
Significance: The IRT was New York City's first subway. Unprocessed Field note material exists for this structure: N508 Survey number: HAER NY-122 Building/structure dates: ca. 1904 Initial Construction
Interborough Rapid Transit Subway (Original Line), New York, New York ...
Significance: The IRT was New York City's first subway. Unprocessed Field note material exists for this structure: N508 Survey number: HAER NY-122 Building/structure dates: ca. 1904 Initial Construction
Interborough Rapid Transit Subway (Original Line), New York, New York ...
Significance: The IRT was New York City's first subway. Unprocessed Field note material exists for this structure: N508 Survey number: HAER NY-122 Building/structure dates: ca. 1904 Initial Construction
Interborough Rapid Transit Subway (Original Line), New York, New York ...
Significance: The IRT was New York City's first subway. Unprocessed Field note material exists for this structure: N508 Survey number: HAER NY-122 Building/structure dates: ca. 1904 Initial Construction
Interborough Rapid Transit Subway (Original Line), New York, New York ...
Significance: The IRT was New York City's first subway. Unprocessed Field note material exists for this structure: N508 Survey number: HAER NY-122 Building/structure dates: ca. 1904 Initial Construction
Fifth Street Bridge, Spanning MBTA Fitchburg Commuter Rail Line tracks...
Significance: The Fifth Street Bridge is the only reinforced concrete through-arch highway bridge presently known in Massachusetts and one of only eight Massachusetts highway bridges to include open-spandrel co... More
Burnsville Natural Gas Pumping Station, Saratoga Avenue between Little...
Significance: As of 1984, this site was the last known example of a steam powered, natural gas pumping station in West Virginia. Built as an integral part of a natural gas transmission system designed to suppl... More
Burnsville Natural Gas Pumping Station, Saratoga Avenue between Little...
Significance: As of 1984, this site was the last known example of a steam powered, natural gas pumping station in West Virginia. Built as an integral part of a natural gas transmission system designed to suppl... More
Burnsville Natural Gas Pumping Station, Saratoga Avenue between Little...
Significance: As of 1984, this site was the last known example of a steam powered, natural gas pumping station in West Virginia. Built as an integral part of a natural gas transmission system designed to suppl... More
Burnsville Natural Gas Pumping Station, Saratoga Avenue between Little...
Significance: As of 1984, this site was the last known example of a steam powered, natural gas pumping station in West Virginia. Built as an integral part of a natural gas transmission system designed to suppl... More
Havre Rainbow Transmission Line, Havre City to Great Falls vicinity, M...
Significance: The Transmission Line is significant as a contributing element of the Fort Peck Town Site and Dam Multiple Resource Property. It maintains its integrity and is directly associated with the constru... More
Havre Rainbow Transmission Line, Havre City to Great Falls vicinity, M...
Significance: The Transmission Line is significant as a contributing element of the Fort Peck Town Site and Dam Multiple Resource Property. It maintains its integrity and is directly associated with the constru... More
Northeast Railroad Corridor, Amtrak Route between RI/MA State Line & S...
Survey number: HAER MA-19 Public domain photograph - city, downtown, New York, United States, free to use, no copyright restrictions image - Picryl description
Northeast Railroad Corridor, Amtrak Route between RI/MA State Line & S...
Survey number: HAER MA-19 Public domain photograph of train tracks, railroad, free to use, no copyright restrictions image - Picryl description
Northeast Railroad Corridor, Amtrak Route between RI/MA State Line & S...
Survey number: HAER MA-19 Public domain photograph - city, downtown, New York, United States, free to use, no copyright restrictions image - Picryl description
Northeast Railroad Corridor, Amtrak Route between RI/MA State Line & S...
Survey number: HAER MA-19 Public domain photograph - New York City, downtown, United States, free to use, no copyright restrictions image - Picryl description
Titan One Missile Complex 2A, .3 miles west of 129 Road and 1.5 miles ...
Significance: Beginning in 1962, the US deployed its first Inter-continental Ballistic Missiles (ICBM) - the Atlas and the Titan I. These powerful weapons dramatically altered the Cold War by introducing the ca... More
Titan One Missile Complex 2A, .3 miles west of 129 Road and 1.5 miles ...
Significance: Beginning in 1962, the US deployed its first Inter-continental Ballistic Missiles (ICBM) - the Atlas and the Titan I. These powerful weapons dramatically altered the Cold War by introducing the ca... More
County Line Bridge, Spanning St. Joseph River at State Route 219, 0.6 ...
Significance: The County Line Bridge, in the vicinity of Osceola, Elkhart County, is significant as an example of early 20th century reinforced concrete bridge design and construction. It utilizes known design... More
County Line Bridge, Spanning St. Joseph River at State Route 219, 0.6 ...
Significance: The County Line Bridge, in the vicinity of Osceola, Elkhart County, is significant as an example of early 20th century reinforced concrete bridge design and construction. It utilizes known design... More
County Line Bridge, Spanning St. Joseph River at State Route 219, 0.6 ...
Significance: The County Line Bridge, in the vicinity of Osceola, Elkhart County, is significant as an example of early 20th century reinforced concrete bridge design and construction. It utilizes known design... More
County Line Bridge, Spanning St. Joseph River at State Route 219, 0.6 ...
Significance: The County Line Bridge, in the vicinity of Osceola, Elkhart County, is significant as an example of early 20th century reinforced concrete bridge design and construction. It utilizes known design... More
Interborough Rapid Transit Company, Third Avenue Elevated Line, Boroug...
Significance: A part of the first Subway system constructed in New York City. Survey number: HAER NY-68 Building/structure dates: 1904 Initial Construction Building/structure dates: 1973 Building/structure... More
Interborough Rapid Transit Company, Third Avenue Elevated Line, Boroug...
Significance: A part of the first Subway system constructed in New York City. Survey number: HAER NY-68 Building/structure dates: 1904 Initial Construction Building/structure dates: 1973 Building/structure... More
Interborough Rapid Transit Company, Third Avenue Elevated Line, Boroug...
Significance: A part of the first Subway system constructed in New York City. Survey number: HAER NY-68 Building/structure dates: 1904 Initial Construction Building/structure dates: 1973 Building/structure... More
Interborough Rapid Transit Company, Third Avenue Elevated Line, Boroug...
Significance: A part of the first Subway system constructed in New York City. Survey number: HAER NY-68 Building/structure dates: 1904 Initial Construction Building/structure dates: 1973 Building/structure... More
Interborough Rapid Transit Company, Third Avenue Elevated Line, Boroug...
Significance: A part of the first Subway system constructed in New York City. Survey number: HAER NY-68 Building/structure dates: 1904 Initial Construction Building/structure dates: 1973 Building/structure... More
Interborough Rapid Transit Company, Third Avenue Elevated Line, Boroug...
Significance: A part of the first Subway system constructed in New York City. Survey number: HAER NY-68 Building/structure dates: 1904 Initial Construction Building/structure dates: 1973 Building/structure... More
Interborough Rapid Transit Company, Third Avenue Elevated Line, Boroug...
Significance: A part of the first Subway system constructed in New York City. Survey number: HAER NY-68 Building/structure dates: 1904 Initial Construction Building/structure dates: 1973 Building/structure... More
Interborough Rapid Transit Company, Third Avenue Elevated Line, Boroug...
Significance: A part of the first Subway system constructed in New York City. Survey number: HAER NY-68 Building/structure dates: 1904 Initial Construction Building/structure dates: 1973 Building/structure... More
Interborough Rapid Transit Company, Third Avenue Elevated Line, Boroug...
Significance: A part of the first Subway system constructed in New York City. Survey number: HAER NY-68 Building/structure dates: 1904 Initial Construction Building/structure dates: 1973 Building/structure... More
Holston Army Ammunition Plant, RDX-and-Composition-B Manufacturing Lin...
Significance: Line 9 is highly representative of the 10 production lines constructed at HSAAP during WWII for the manufacture of the military high explosive Composition B, and its chief ingredient RDX. These bu... More
Holston Army Ammunition Plant, RDX-and-Composition-B Manufacturing Lin...
Significance: Line 9 is highly representative of the 10 production lines constructed at HSAAP during WWII for the manufacture of the military high explosive Composition B, and its chief ingredient RDX. These bu... More
Ogden Arsenal, Warehouse-Assembly & Loading Line Building, 6325 Poplar...
Significance: Anti-tank ammunition was assembled in Building 2214, which provides particularly vivid images of the processes involved in the manufacture of munitions at Ogden Arsenal during World War II. This ... More
Heber Creeper Railroad Line, Section from Bridal Veil Falls to Vivian ...
Significance: The Bridal Veil Falls to Vivian Park section of the Heber Creeper Railroad grade is a portion of the larger Bridal Veil to Deer Creek Dam segment of the grade that has been determined eligible for... More
Heber Creeper Railroad Line, Section from Bridal Veil Falls to Vivian ...
Significance: The Bridal Veil Falls to Vivian Park section of the Heber Creeper Railroad grade is a portion of the larger Bridal Veil to Deer Creek Dam segment of the grade that has been determined eligible for... More
Pasco-Kennewick Transmission Line, Columbia River Crossing Towers, Col...
Significance: The three electrical transmission line towers between Pasco Kennewick are the earliest known effort to span the Columbia River, by aerial means, with electrical lines strung between steel frame to... More
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph of railway map, railroad tracks, free to use, no copyright restrictions image - Picryl description
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph of railway map, railroad tracks, free to use, no copyright restrictions image - Picryl description
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph of historic place in Washington DC, free to use, no copyright restrictions image - Picryl description
Northeast Railroad Corridor, Amtrak route between District of Columbia...
Survey number: HAER MD-45 Public domain photograph of train tracks, railroad works, construction workers, free to use, no copyright restrictions image - Picryl description
Little Falls Tie Line Towers, Near Little Dam Falls on Spokane River, ...
Significance: The Little Falls Tie Lint Towers are significant as components of one of the trans-Mississippian West's earliest steel tower transmission lines. This system distributed electrical power from The ... More
Little Falls Tie Line Towers, Near Little Dam Falls on Spokane River, ...
Significance: The Little Falls Tie Lint Towers are significant as components of one of the trans-Mississippian West's earliest steel tower transmission lines. This system distributed electrical power from The ... More
Little Falls Tie Line Towers, Near Little Dam Falls on Spokane River, ...
Significance: The Little Falls Tie Lint Towers are significant as components of one of the trans-Mississippian West's earliest steel tower transmission lines. This system distributed electrical power from The ... More
Mystic Lake Hydroelectric Facility, Electric Transmission A Line, Alon...
Survey number: HAER MT-130-A Building/structure dates: 1923 Initial Construction
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
Trunk Line Bridge, Spanning Pine River at Griswold Road, Kimball, St. ...
Significance: This structure is one of only a few metal Through Pratt Trusses designed by The Michigan State Highway Department. Survey number: HAER MI-34 Building/structure dates: 1915 Initial Construction ... More
Trunk Line Bridge, Spanning Pine River at Griswold Road, Kimball, St. ...
Significance: This structure is one of only a few metal Through Pratt Trusses designed by The Michigan State Highway Department. Survey number: HAER MI-34 Building/structure dates: 1915 Initial Construction ... More
Trunk Line Bridge, Spanning Pine River at Griswold Road, Kimball, St. ...
Significance: This structure is one of only a few metal Through Pratt Trusses designed by The Michigan State Highway Department. Survey number: HAER MI-34 Building/structure dates: 1915 Initial Construction ... More
Pittsburgh & Castle Shannon Railroad, Reflectorville Viaduct, Overbroo...
Significance: The bridge is one of four bridges which carried Pittsburgh Railway's trolley cars, along the 6 mile route from Mount Washington to Castle Shannon. Survey number: HAER PA-410-C
Shaker Heights Rapid Transit Line, Cleveland, Cuyahoga County, OH
Significance: The Shaker Heights Rapid Transit is the oldest segment of the larger regional transportation system. The Shaker Heights system was the only electric railway system to use the Union Terminal Tower... More
Heber Creeper Railroad Line, Olmstead Bridge, Spanning Provo River, Pr...
Significance: The Olmstead Bridge is an excellent, unaltered example of a pin connected, steel Howe Truss railroad bridge, typical of the late nineteenth and early twentieth centuries. Although originally cons... More
Heber Creeper Railroad Line, Olmstead Bridge, Spanning Provo River, Pr...
Significance: The Olmstead Bridge is an excellent, unaltered example of a pin connected, steel Howe Truss railroad bridge, typical of the late nineteenth and early twentieth centuries. Although originally cons... More
Ezra Searcy House, West of Prentiss-Tishimingo County Line, New Site, ...
Significance: The Ezra Searcy House was designed and built in 1906 by Daniel Searcy, Ezra's schoolteacher brother. The L-shaped plan of this frame house reflects the care and precision with which Daniel Searcy... More
Selby Avenue Bridge, Spanning Short Line Railways track at Selby Avenu...
Significance: The Selby Avenue Bridge is significant for its subtle delineation of an exceptional engineering solution to a difficult urban transportation design problem. Selby Avenue intersects the Short Line... More
Selby Avenue Bridge, Spanning Short Line Railways track at Selby Avenu...
Significance: The Selby Avenue Bridge is significant for its subtle delineation of an exceptional engineering solution to a difficult urban transportation design problem. Selby Avenue intersects the Short Line... More
Selby Avenue Bridge, Spanning Short Line Railways track at Selby Avenu...
Significance: The Selby Avenue Bridge is significant for its subtle delineation of an exceptional engineering solution to a difficult urban transportation design problem. Selby Avenue intersects the Short Line... More
Selby Avenue Bridge, Spanning Short Line Railways track at Selby Avenu...
Significance: The Selby Avenue Bridge is significant for its subtle delineation of an exceptional engineering solution to a difficult urban transportation design problem. Selby Avenue intersects the Short Line... More
South County Line Road Bridge, Spanning Flat River, Greenville, Montca...
Significance: The South County Line Road Bridge is a Pratt through truss with pinned connections. The bridge has withstood it environment for many years, having been built in 1880. It has been considered elig... More