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New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Sh...

Significance: The electrification of the New Haven Railroad was an innovative technological venture. The pioneering engineers of Westinghouse and the New Haven Railroad created the first long distance railroad... More

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Sh...

Significance: The electrification of the New Haven Railroad was an innovative technological venture. The pioneering engineers of Westinghouse and the New Haven Railroad created the first long distance railroad... More

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Sh...

Significance: The electrification of the New Haven Railroad was an innovative technological venture. The pioneering engineers of Westinghouse and the New Haven Railroad created the first long distance railroad... More

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Sh...

Significance: The electrification of the New Haven Railroad was an innovative technological venture. The pioneering engineers of Westinghouse and the New Haven Railroad created the first long distance railroad... More

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Sh...

Significance: The electrification of the New Haven Railroad was an innovative technological venture. The pioneering engineers of Westinghouse and the New Haven Railroad created the first long distance railroad... More

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Sh...

Significance: The electrification of the New Haven Railroad was an innovative technological venture. The pioneering engineers of Westinghouse and the New Haven Railroad created the first long distance railroad... More

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Resea...

Survey number: HAER OH-124-A Building/structure dates: 1955-1957 Initial Construction Building/structure dates: 1984 Subsequent Work Building/structure dates: 1991 Subsequent Work Building/structure dates: ... More

Rocket Engine Testing Facility, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, NASA Glenn Research Center, Cleveland,...

Significance: NASA began construction of the Rocket Engine Test Facility (RETF) in 1955 on land that was formerly part of the Cleveland Municipal Airport. In 1940, the National Advisory Committee on Aeronautics... More

Rocket Engine Testing Facility, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, NASA Glenn Research Center, Cleveland,...

Significance: NASA began construction of the Rocket Engine Test Facility (RETF) in 1955 on land that was formerly part of the Cleveland Municipal Airport. In 1940, the National Advisory Committee on Aeronautics... More

Ives Manufacturing Corporation, 194 Holland Avenue, Bridgeport, Fairfield County, CT

Ives Manufacturing Corporation, 194 Holland Avenue, Bridgeport, Fairfi...

Significance: The patent-stone ashlar building was the first factory in the United States built for the sole purpose of making toy trains. Ives was the largest producer of electric trains in this country for a... More

Lake Whitney Water Filtration Plant, Lake Whitney Dam, East side of Whitney Avenue near intersection with Armory Street, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Lake Whitney Dam, East side of Wh...

Significance: The site offers an interesting view of water power history and development. A dam existed at a nearby site as early as 1798 and provided water to power a grist mill. The dam has undergone severa... More

Lake Whitney Water Filtration Plant, Armory Street Pumphouse, North side of Armory Street between Edgehill Road & Whitney Avenue, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Armory Street Pumphouse, North si...

Significance: This pump station represents a novel engineering solution to a problem. Reduced water supplies forced partial conversion to a more efficient pumping system. The station was originally built to s... More

Lake Whitney Water Filtration Plant, Filtration Plant, South side of Armory Street between Edgehill Road & Whitney Avenue, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Filtration Plant, South side of A...

Significance: Use of the slow sand filtration process for purifying water dates back to a plant in Paisley, Scotland which was built in 1804. The first United States plant was built in Louisville, Kentucky in ... More

Lake Whitney Water Filtration Plant, Filtration Plant, South side of Armory Street between Edgehill Road & Whitney Avenue, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Filtration Plant, South side of A...

Significance: Use of the slow sand filtration process for purifying water dates back to a plant in Paisley, Scotland which was built in 1804. The first United States plant was built in Louisville, Kentucky in ... More

Lake Whitney Water Filtration Plant, Filtration Plant, South side of Armory Street between Edgehill Road & Whitney Avenue, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Filtration Plant, South side of A...

Significance: Use of the slow sand filtration process for purifying water dates back to a plant in Paisley, Scotland which was built in 1804. The first United States plant was built in Louisville, Kentucky in ... More

Lake Whitney Water Filtration Plant, Filtration Plant, South side of Armory Street between Edgehill Road & Whitney Avenue, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Filtration Plant, South side of A...

Significance: Use of the slow sand filtration process for purifying water dates back to a plant in Paisley, Scotland which was built in 1804. The first United States plant was built in Louisville, Kentucky in ... More

East Washington Avenue Bridge, Spanning Pequonnock River at East Washington Avenue, Bridgeport, Fairfield County, CT

East Washington Avenue Bridge, Spanning Pequonnock River at East Washi...

Significance: The history of the East Washington Avenue Bridge is consequential in two areas. As a bridge it represents an early phase in the evolution of Strauss Bascule Bridge Company designs and embodies tw... More

NASA Langley Research Center, 8-Foot High Speed Wind Tunnel, 641 Thornell Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, 8-Foot High Speed Wind Tunnel, 641 Thorn...

Significance: The facility was authorized in July 1933 and built by the Public Works Administration for $26,000. It tested complete models of aircraft and aircraft components in a high-speed airstream approach... More

NASA Langley Research Center, 8-Foot High Speed Wind Tunnel, 641 Thornell Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, 8-Foot High Speed Wind Tunnel, 641 Thorn...

Significance: The facility was authorized in July 1933 and built by the Public Works Administration for $26,000. It tested complete models of aircraft and aircraft components in a high-speed airstream approach... More

NASA Langley Research Center, 8-Foot High Speed Wind Tunnel, 641 Thornell Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, 8-Foot High Speed Wind Tunnel, 641 Thorn...

Significance: The facility was authorized in July 1933 and built by the Public Works Administration for $26,000. It tested complete models of aircraft and aircraft components in a high-speed airstream approach... More

NASA Langley Research Center, 8-Foot High Speed Wind Tunnel, 641 Thornell Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, 8-Foot High Speed Wind Tunnel, 641 Thorn...

Significance: The facility was authorized in July 1933 and built by the Public Works Administration for $26,000. It tested complete models of aircraft and aircraft components in a high-speed airstream approach... More

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County, CT

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County,...

Significance: Designed in 1914 and completed in 1916, the Stamford Post Office is an excellent example of an eclectic Neo-Renaissance style federal building constructed in the early twentieth century. As empha... More

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 mile upriver from confluence with Shenandoah River, Harpers Ferry, Jefferson County, WV

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...

Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 mile upriver from confluence with Shenandoah River, Harpers Ferry, Jefferson County, WV

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...

Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 mile upriver from confluence with Shenandoah River, Harpers Ferry, Jefferson County, WV

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...

Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 mile upriver from confluence with Shenandoah River, Harpers Ferry, Jefferson County, WV

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...

Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More

Auxiliary Fishing Schooner "Evelina M. Goulart", Essex Shipbuilding Museum, 66 Main Street, Essex, Essex County, MA

Auxiliary Fishing Schooner "Evelina M. Goulart", Essex Shipbuilding Mu...

Significance: The EVELINA M. GOULART is an example of what is sometimes called a "transitional schooner." These vessels bridged a gap during a period of transition in the history of shipbuilding in America fro... More

Auxiliary Fishing Schooner "Evelina M. Goulart", Essex Shipbuilding Museum, 66 Main Street, Essex, Essex County, MA

Auxiliary Fishing Schooner "Evelina M. Goulart", Essex Shipbuilding Mu...

Significance: The EVELINA M. GOULART is an example of what is sometimes called a "transitional schooner." These vessels bridged a gap during a period of transition in the history of shipbuilding in America fro... More

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Aven...

Significance: The facility allowed wind tunnel research into fields that could be most effectively investigated with full-scale models and actual aircraft. Until 1945 it was the largest wind tunnel in the world... More

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Aven...

Significance: The facility allowed wind tunnel research into fields that could be most effectively investigated with full-scale models and actual aircraft. Until 1945 it was the largest wind tunnel in the world... More

Shoal Harbor, Intersection of Port Monmouth Road & Main Street, Belford, Monmouth County, NJ

Shoal Harbor, Intersection of Port Monmouth Road & Main Street, Belfor...

Significance: The Shoal Harbor fishing community is one of the last remaining traditional fisheries in New Jersey and the last such community on Raritan Bay. The community is a distinctive, vernacular built env... More

Shoal Harbor, Intersection of Port Monmouth Road & Main Street, Belford, Monmouth County, NJ

Shoal Harbor, Intersection of Port Monmouth Road & Main Street, Belfor...

Significance: The Shoal Harbor fishing community is one of the last remaining traditional fisheries in New Jersey and the last such community on Raritan Bay. The community is a distinctive, vernacular built env... More

Shoal Harbor, Intersection of Port Monmouth Road & Main Street, Belford, Monmouth County, NJ

Shoal Harbor, Intersection of Port Monmouth Road & Main Street, Belfor...

Significance: The Shoal Harbor fishing community is one of the last remaining traditional fisheries in New Jersey and the last such community on Raritan Bay. The community is a distinctive, vernacular built env... More

New York, New Haven & Hartford Railroad, Mianus River Pumping Station, River Road & Boston Post Road, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Mianus River Pumping Station,...

Significance: The Mianus River pumping station provided a source of filtered boiler feedwater to the Cos Cob generating plant. Three diesel engine powered pumps forced water through a 16" main which paralleled... More

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Sh...

Significance: The electrification of the New Haven Railroad was an innovative technological venture. The pioneering engineers of Westinghouse and the New Haven Railroad created the first long distance railroad... More

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Sh...

Significance: The electrification of the New Haven Railroad was an innovative technological venture. The pioneering engineers of Westinghouse and the New Haven Railroad created the first long distance railroad... More

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Sh...

Significance: The electrification of the New Haven Railroad was an innovative technological venture. The pioneering engineers of Westinghouse and the New Haven Railroad created the first long distance railroad... More

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Sh...

Significance: The electrification of the New Haven Railroad was an innovative technological venture. The pioneering engineers of Westinghouse and the New Haven Railroad created the first long distance railroad... More

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Resea...

Survey number: HAER OH-124-A Building/structure dates: 1955-1957 Initial Construction Building/structure dates: 1984 Subsequent Work Building/structure dates: 1991 Subsequent Work Building/structure dates: ... More

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Resea...

Survey number: HAER OH-124-A Building/structure dates: 1955-1957 Initial Construction Building/structure dates: 1984 Subsequent Work Building/structure dates: 1991 Subsequent Work Building/structure dates: ... More

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Resea...

Survey number: HAER OH-124-A Building/structure dates: 1955-1957 Initial Construction Building/structure dates: 1984 Subsequent Work Building/structure dates: 1991 Subsequent Work Building/structure dates: ... More

Ives Manufacturing Corporation, 194 Holland Avenue, Bridgeport, Fairfield County, CT

Ives Manufacturing Corporation, 194 Holland Avenue, Bridgeport, Fairfi...

Significance: The patent-stone ashlar building was the first factory in the United States built for the sole purpose of making toy trains. Ives was the largest producer of electric trains in this country for a... More

Haddam Neck Nuclear Power Plant, Reactor Containment, 362 Injun Hollow Road, Haddam, Middlesex County, CT

Haddam Neck Nuclear Power Plant, Reactor Containment, 362 Injun Hollow...

The addendum report (beginning on page 64) supersedes the original report. Researchers should consider the addendum report the definitive version and consult it instead of the original one. Significance: The H... More

Lake Whitney Water Filtration Plant, Lake Whitney Dam, East side of Whitney Avenue near intersection with Armory Street, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Lake Whitney Dam, East side of Wh...

Significance: The site offers an interesting view of water power history and development. A dam existed at a nearby site as early as 1798 and provided water to power a grist mill. The dam has undergone severa... More

Lake Whitney Water Filtration Plant, Armory Street Pumphouse, North side of Armory Street between Edgehill Road & Whitney Avenue, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Armory Street Pumphouse, North si...

Significance: This pump station represents a novel engineering solution to a problem. Reduced water supplies forced partial conversion to a more efficient pumping system. The station was originally built to s... More

Lake Whitney Water Filtration Plant, Filtration Plant, South side of Armory Street between Edgehill Road & Whitney Avenue, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Filtration Plant, South side of A...

Significance: Use of the slow sand filtration process for purifying water dates back to a plant in Paisley, Scotland which was built in 1804. The first United States plant was built in Louisville, Kentucky in ... More

Rocket Engine Testing Facility, GRC Building No. 205, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, GRC Building No. 205, NASA Glenn Resea...

Survey number: HAER OH-124-B Building/structure dates: 1962-1965 Initial Construction Building/structure dates: 1995 Subsequent Work Building/structure dates: 2003 Demolished

East Washington Avenue Bridge, Spanning Pequonnock River at East Washington Avenue, Bridgeport, Fairfield County, CT

East Washington Avenue Bridge, Spanning Pequonnock River at East Washi...

Significance: The history of the East Washington Avenue Bridge is consequential in two areas. As a bridge it represents an early phase in the evolution of Strauss Bascule Bridge Company designs and embodies tw... More

East Washington Avenue Bridge, Spanning Pequonnock River at East Washington Avenue, Bridgeport, Fairfield County, CT

East Washington Avenue Bridge, Spanning Pequonnock River at East Washi...

Significance: The history of the East Washington Avenue Bridge is consequential in two areas. As a bridge it represents an early phase in the evolution of Strauss Bascule Bridge Company designs and embodies tw... More

East Washington Avenue Bridge, Spanning Pequonnock River at East Washington Avenue, Bridgeport, Fairfield County, CT

East Washington Avenue Bridge, Spanning Pequonnock River at East Washi...

Significance: The history of the East Washington Avenue Bridge is consequential in two areas. As a bridge it represents an early phase in the evolution of Strauss Bascule Bridge Company designs and embodies tw... More

East Washington Avenue Bridge, Spanning Pequonnock River at East Washington Avenue, Bridgeport, Fairfield County, CT

East Washington Avenue Bridge, Spanning Pequonnock River at East Washi...

Significance: The history of the East Washington Avenue Bridge is consequential in two areas. As a bridge it represents an early phase in the evolution of Strauss Bascule Bridge Company designs and embodies tw... More

East Washington Avenue Bridge, Spanning Pequonnock River at East Washington Avenue, Bridgeport, Fairfield County, CT

East Washington Avenue Bridge, Spanning Pequonnock River at East Washi...

Significance: The history of the East Washington Avenue Bridge is consequential in two areas. As a bridge it represents an early phase in the evolution of Strauss Bascule Bridge Company designs and embodies tw... More

NASA Langley Research Center, 8-Foot High Speed Wind Tunnel, 641 Thornell Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, 8-Foot High Speed Wind Tunnel, 641 Thorn...

Significance: The facility was authorized in July 1933 and built by the Public Works Administration for $26,000. It tested complete models of aircraft and aircraft components in a high-speed airstream approach... More

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County, CT

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County,...

Significance: Designed in 1914 and completed in 1916, the Stamford Post Office is an excellent example of an eclectic Neo-Renaissance style federal building constructed in the early twentieth century. As empha... More

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County, CT

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County,...

Significance: Designed in 1914 and completed in 1916, the Stamford Post Office is an excellent example of an eclectic Neo-Renaissance style federal building constructed in the early twentieth century. As empha... More

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County, CT

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County,...

Significance: Designed in 1914 and completed in 1916, the Stamford Post Office is an excellent example of an eclectic Neo-Renaissance style federal building constructed in the early twentieth century. As empha... More

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 mile upriver from confluence with Shenandoah River, Harpers Ferry, Jefferson County, WV

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...

Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 mile upriver from confluence with Shenandoah River, Harpers Ferry, Jefferson County, WV

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...

Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More

Auxiliary Fishing Schooner "Evelina M. Goulart", Essex Shipbuilding Museum, 66 Main Street, Essex, Essex County, MA

Auxiliary Fishing Schooner "Evelina M. Goulart", Essex Shipbuilding Mu...

Significance: The EVELINA M. GOULART is an example of what is sometimes called a "transitional schooner." These vessels bridged a gap during a period of transition in the history of shipbuilding in America fro... More

Auxiliary Fishing Schooner "Evelina M. Goulart", Essex Shipbuilding Museum, 66 Main Street, Essex, Essex County, MA

Auxiliary Fishing Schooner "Evelina M. Goulart", Essex Shipbuilding Mu...

Significance: The EVELINA M. GOULART is an example of what is sometimes called a "transitional schooner." These vessels bridged a gap during a period of transition in the history of shipbuilding in America fro... More

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Aven...

Significance: The facility allowed wind tunnel research into fields that could be most effectively investigated with full-scale models and actual aircraft. Until 1945 it was the largest wind tunnel in the world... More

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Aven...

Significance: The facility allowed wind tunnel research into fields that could be most effectively investigated with full-scale models and actual aircraft. Until 1945 it was the largest wind tunnel in the world... More

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Aven...

Significance: The facility allowed wind tunnel research into fields that could be most effectively investigated with full-scale models and actual aircraft. Until 1945 it was the largest wind tunnel in the world... More

Shoal Harbor, Intersection of Port Monmouth Road & Main Street, Belford, Monmouth County, NJ

Shoal Harbor, Intersection of Port Monmouth Road & Main Street, Belfor...

Significance: The Shoal Harbor fishing community is one of the last remaining traditional fisheries in New Jersey and the last such community on Raritan Bay. The community is a distinctive, vernacular built env... More

Shoal Harbor, Intersection of Port Monmouth Road & Main Street, Belford, Monmouth County, NJ

Shoal Harbor, Intersection of Port Monmouth Road & Main Street, Belfor...

Significance: The Shoal Harbor fishing community is one of the last remaining traditional fisheries in New Jersey and the last such community on Raritan Bay. The community is a distinctive, vernacular built env... More

Shoal Harbor, Intersection of Port Monmouth Road & Main Street, Belford, Monmouth County, NJ

Shoal Harbor, Intersection of Port Monmouth Road & Main Street, Belfor...

Significance: The Shoal Harbor fishing community is one of the last remaining traditional fisheries in New Jersey and the last such community on Raritan Bay. The community is a distinctive, vernacular built env... More

New York, New Haven & Hartford Railroad, Mianus River Pumping Station, River Road & Boston Post Road, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Mianus River Pumping Station,...

Significance: The Mianus River pumping station provided a source of filtered boiler feedwater to the Cos Cob generating plant. Three diesel engine powered pumps forced water through a 16" main which paralleled... More

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Sh...

Significance: The electrification of the New Haven Railroad was an innovative technological venture. The pioneering engineers of Westinghouse and the New Haven Railroad created the first long distance railroad... More

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Sh...

Significance: The electrification of the New Haven Railroad was an innovative technological venture. The pioneering engineers of Westinghouse and the New Haven Railroad created the first long distance railroad... More

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT

New York, New Haven & Hartford Railroad, Cos Cob Power Plant, Sound Sh...

Significance: The electrification of the New Haven Railroad was an innovative technological venture. The pioneering engineers of Westinghouse and the New Haven Railroad created the first long distance railroad... More

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Resea...

Survey number: HAER OH-124-A Building/structure dates: 1955-1957 Initial Construction Building/structure dates: 1984 Subsequent Work Building/structure dates: 1991 Subsequent Work Building/structure dates: ... More

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Resea...

Survey number: HAER OH-124-A Building/structure dates: 1955-1957 Initial Construction Building/structure dates: 1984 Subsequent Work Building/structure dates: 1991 Subsequent Work Building/structure dates: ... More

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Resea...

Survey number: HAER OH-124-A Building/structure dates: 1955-1957 Initial Construction Building/structure dates: 1984 Subsequent Work Building/structure dates: 1991 Subsequent Work Building/structure dates: ... More

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, GRC Building No. 202, NASA Glenn Resea...

Survey number: HAER OH-124-A Building/structure dates: 1955-1957 Initial Construction Building/structure dates: 1984 Subsequent Work Building/structure dates: 1991 Subsequent Work Building/structure dates: ... More

Rocket Engine Testing Facility, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, NASA Glenn Research Center, Cleveland,...

Significance: NASA began construction of the Rocket Engine Test Facility (RETF) in 1955 on land that was formerly part of the Cleveland Municipal Airport. In 1940, the National Advisory Committee on Aeronautics... More

Rocket Engine Testing Facility, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, NASA Glenn Research Center, Cleveland,...

Significance: NASA began construction of the Rocket Engine Test Facility (RETF) in 1955 on land that was formerly part of the Cleveland Municipal Airport. In 1940, the National Advisory Committee on Aeronautics... More

Rocket Engine Testing Facility, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, NASA Glenn Research Center, Cleveland,...

Significance: NASA began construction of the Rocket Engine Test Facility (RETF) in 1955 on land that was formerly part of the Cleveland Municipal Airport. In 1940, the National Advisory Committee on Aeronautics... More

Rocket Engine Testing Facility, NASA Glenn Research Center, Cleveland, Cuyahoga County, OH

Rocket Engine Testing Facility, NASA Glenn Research Center, Cleveland,...

Significance: NASA began construction of the Rocket Engine Test Facility (RETF) in 1955 on land that was formerly part of the Cleveland Municipal Airport. In 1940, the National Advisory Committee on Aeronautics... More

Ives Manufacturing Corporation, 194 Holland Avenue, Bridgeport, Fairfield County, CT

Ives Manufacturing Corporation, 194 Holland Avenue, Bridgeport, Fairfi...

Significance: The patent-stone ashlar building was the first factory in the United States built for the sole purpose of making toy trains. Ives was the largest producer of electric trains in this country for a... More

Ives Manufacturing Corporation, 194 Holland Avenue, Bridgeport, Fairfield County, CT

Ives Manufacturing Corporation, 194 Holland Avenue, Bridgeport, Fairfi...

Significance: The patent-stone ashlar building was the first factory in the United States built for the sole purpose of making toy trains. Ives was the largest producer of electric trains in this country for a... More

Lake Whitney Water Filtration Plant, Lake Whitney Dam, East side of Whitney Avenue near intersection with Armory Street, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Lake Whitney Dam, East side of Wh...

Significance: The site offers an interesting view of water power history and development. A dam existed at a nearby site as early as 1798 and provided water to power a grist mill. The dam has undergone severa... More

Lake Whitney Water Filtration Plant, Filtration Plant, South side of Armory Street between Edgehill Road & Whitney Avenue, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Filtration Plant, South side of A...

Significance: Use of the slow sand filtration process for purifying water dates back to a plant in Paisley, Scotland which was built in 1804. The first United States plant was built in Louisville, Kentucky in ... More

Lake Whitney Water Filtration Plant, Filtration Plant, South side of Armory Street between Edgehill Road & Whitney Avenue, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Filtration Plant, South side of A...

Significance: Use of the slow sand filtration process for purifying water dates back to a plant in Paisley, Scotland which was built in 1804. The first United States plant was built in Louisville, Kentucky in ... More

Lake Whitney Water Filtration Plant, Filtration Plant, South side of Armory Street between Edgehill Road & Whitney Avenue, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Filtration Plant, South side of A...

Significance: Use of the slow sand filtration process for purifying water dates back to a plant in Paisley, Scotland which was built in 1804. The first United States plant was built in Louisville, Kentucky in ... More

Lake Whitney Water Filtration Plant, Filtration Plant, South side of Armory Street between Edgehill Road & Whitney Avenue, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Filtration Plant, South side of A...

Significance: Use of the slow sand filtration process for purifying water dates back to a plant in Paisley, Scotland which was built in 1804. The first United States plant was built in Louisville, Kentucky in ... More

Lake Whitney Water Filtration Plant, Filtration Plant, South side of Armory Street between Edgehill Road & Whitney Avenue, Hamden, New Haven County, CT

Lake Whitney Water Filtration Plant, Filtration Plant, South side of A...

Significance: Use of the slow sand filtration process for purifying water dates back to a plant in Paisley, Scotland which was built in 1804. The first United States plant was built in Louisville, Kentucky in ... More

East Washington Avenue Bridge, Spanning Pequonnock River at East Washington Avenue, Bridgeport, Fairfield County, CT

East Washington Avenue Bridge, Spanning Pequonnock River at East Washi...

Significance: The history of the East Washington Avenue Bridge is consequential in two areas. As a bridge it represents an early phase in the evolution of Strauss Bascule Bridge Company designs and embodies tw... More

East Washington Avenue Bridge, Spanning Pequonnock River at East Washington Avenue, Bridgeport, Fairfield County, CT

East Washington Avenue Bridge, Spanning Pequonnock River at East Washi...

Significance: The history of the East Washington Avenue Bridge is consequential in two areas. As a bridge it represents an early phase in the evolution of Strauss Bascule Bridge Company designs and embodies tw... More

East Washington Avenue Bridge, Spanning Pequonnock River at East Washington Avenue, Bridgeport, Fairfield County, CT

East Washington Avenue Bridge, Spanning Pequonnock River at East Washi...

Significance: The history of the East Washington Avenue Bridge is consequential in two areas. As a bridge it represents an early phase in the evolution of Strauss Bascule Bridge Company designs and embodies tw... More

East Washington Avenue Bridge, Spanning Pequonnock River at East Washington Avenue, Bridgeport, Fairfield County, CT

East Washington Avenue Bridge, Spanning Pequonnock River at East Washi...

Significance: The history of the East Washington Avenue Bridge is consequential in two areas. As a bridge it represents an early phase in the evolution of Strauss Bascule Bridge Company designs and embodies tw... More

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County, CT

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County,...

Significance: Designed in 1914 and completed in 1916, the Stamford Post Office is an excellent example of an eclectic Neo-Renaissance style federal building constructed in the early twentieth century. As empha... More

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County, CT

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County,...

Significance: Designed in 1914 and completed in 1916, the Stamford Post Office is an excellent example of an eclectic Neo-Renaissance style federal building constructed in the early twentieth century. As empha... More

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County, CT

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County,...

Significance: Designed in 1914 and completed in 1916, the Stamford Post Office is an excellent example of an eclectic Neo-Renaissance style federal building constructed in the early twentieth century. As empha... More

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County, CT

Stamford Post Office, 421 Atlantic Street, Stamford, Fairfield County,...

Significance: Designed in 1914 and completed in 1916, the Stamford Post Office is an excellent example of an eclectic Neo-Renaissance style federal building constructed in the early twentieth century. As empha... More

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 mile upriver from confluence with Shenandoah River, Harpers Ferry, Jefferson County, WV

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...

Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More

Auxiliary Fishing Schooner "Evelina M. Goulart", Essex Shipbuilding Museum, 66 Main Street, Essex, Essex County, MA

Auxiliary Fishing Schooner "Evelina M. Goulart", Essex Shipbuilding Mu...

Significance: The EVELINA M. GOULART is an example of what is sometimes called a "transitional schooner." These vessels bridged a gap during a period of transition in the history of shipbuilding in America fro... More

Auxiliary Fishing Schooner "Evelina M. Goulart", Essex Shipbuilding Museum, 66 Main Street, Essex, Essex County, MA

Auxiliary Fishing Schooner "Evelina M. Goulart", Essex Shipbuilding Mu...

Significance: The EVELINA M. GOULART is an example of what is sometimes called a "transitional schooner." These vessels bridged a gap during a period of transition in the history of shipbuilding in America fro... More

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Aven...

Significance: The facility allowed wind tunnel research into fields that could be most effectively investigated with full-scale models and actual aircraft. Until 1945 it was the largest wind tunnel in the world... More

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Aven...

Significance: The facility allowed wind tunnel research into fields that could be most effectively investigated with full-scale models and actual aircraft. Until 1945 it was the largest wind tunnel in the world... More

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, Full-Scale Wind Tunnel, 224 Hunting Aven...

Significance: The facility allowed wind tunnel research into fields that could be most effectively investigated with full-scale models and actual aircraft. Until 1945 it was the largest wind tunnel in the world... More

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