The reconstructed fort at Prickett's Fort State Park, a 22-acre West V...
Public domain photograph - historical image of West Virginia, United States, free to use, no copyright restrictions image - Picryl description
Agness Guard Station, Office, Confluence of Rogue & Illinois Rivers, A...
Significance: CCC administrative site used by Siskiyou National Forest as a guard station constructed by the first CCC camp established in SW Oregon. The materials for it were brought up the Rogue River by boa... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... 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
Clifton Townsite, Confluence of Chase Creek & San Francisco River, Cli...
Survey number: HABS AZ-165 National Register of Historic Places NRIS Number: 90000339
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
Colorado-Concho Rivers Confluence Area, Voss, Coleman County, TX
Significance: The study area is in west-central Texas at the confluence of the Concho and Colorado Rivers. This is cattle and sheep ranching land which encompasses a territory of about 19,000 acres located at a... More
West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...
Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More
Mispillion Lighthouse, Beacon Tower, South bank of Mispillion River at...
Significance: The beacon tower is associated with Mispillion Lighthouse, one of three surviving lighthouses in Delaware, and is an early example of the importance of steel-frame tower construction in providing ... More
Tapacito Pueblito, North of confluence of Tapacito & Largo Canyons, Du...
Significance: The Pueblo Revolt of 1680 and subsequent Spanish reconquest of 1692 forced many Pueblo tribes to flee westward and seek temporary refuge with the Navajo. Tapacito Pueblito was one such refugee si... More
Tapacito Pueblito, North of confluence of Tapacito & Largo Canyons, Du...
Significance: The Pueblo Revolt of 1680 and subsequent Spanish reconquest of 1692 forced many Pueblo tribes to flee westward and seek temporary refuge with the Navajo. Tapacito Pueblito was one such refugee si... More
Simon Canyon Pueblito, Approximately 0.6 mile north of Simon Canyon co...
Unprocessed Field note material exists for this structure: N558 Survey number: HABS NM-154
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 ...
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
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Gilbert Bridge, U.S. Route 52, spanning Guyandotte River near confluen...
Significance: The Gilbert Bridge, which was constructed during the "Good Roads Movement" of the 1920s, allowed for the economic and geographic expansion of Gilbert, West Virginia by providing safe and convenien... More
Agness Guard Station, Warehouse, Confluence of Rogue & Illinois Rivers...
Survey number: HABS OR-154-C Public domain photograph - historical image of Illinois, United States, free to use, no copyright restrictions image - Picryl description
Prince William Forest Park American Beech , Approximately one mile fro...
Significance: The Prince William Forest Park American Beech Fagus grandifolia is significant because of its size and its unique 130-year genealogical chronology of family names inscribed in the bark of the tree... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Santa Ana River Hydroelectric System, Bear Creek Diversion Dam & Confl...
Survey number: HAER CA-130-B Building/structure dates: 1898 Initial Construction Building/structure dates: 1905 Subsequent Work Building/structure dates: 1904 Subsequent Work
Largo School Pueblito, South of Largo Canyon School & opposite conflue...
Unprocessed Field note material exists for this structure: N561 Survey number: HABS NM-157
Largo School Pueblito, South of Largo Canyon School & opposite conflue...
Unprocessed Field note material exists for this structure: N561 Survey number: HABS NM-157
Buffalo Creek Bridge, U.S. Route 19, spanning Buffalo Creek near confl...
Significance: The Buffalo Creek Bridge was constructed with funds appropriated under the National Industrial Recovery Act of 1933 (NIRA). Under the direction of the Public Works Administration (PWA), the NIRA ... More
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 ...
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 ...
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
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Clifton Townsite, Confluence of Chase Creek & San Francisco River, Cli...
Survey number: HABS AZ-165 National Register of Historic Places NRIS Number: 90000339
Clifton Townsite, Confluence of Chase Creek & San Francisco River, Cli...
Survey number: HABS AZ-165 National Register of Historic Places NRIS Number: 90000339
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Prince William Forest Park American Beech , Approximately one mile fro...
Significance: The Prince William Forest Park American Beech Fagus grandifolia is significant because of its size and its unique 130-year genealogical chronology of family names inscribed in the bark of the tree... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Agness Guard Station, Residence, Confluence of Rogue & Illinois Rivers...
Significance: CCC administrative site used by Siskiyou National Forest as a guard station constructed by the first CCC camp established in SW Oregon. The materials for it were brought up the Rogue River by boa... More
Colorado-Concho Rivers Confluence Area, Voss, Coleman County, TX
Significance: The study area is in west-central Texas at the confluence of the Concho and Colorado Rivers. This is cattle and sheep ranching land which encompasses a territory of about 19,000 acres located at a... More
West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...
Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More
West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...
Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More
West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...
Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More
Mispillion Lighthouse, Beacon Tower, South bank of Mispillion River at...
Significance: The beacon tower is associated with Mispillion Lighthouse, one of three surviving lighthouses in Delaware, and is an early example of the importance of steel-frame tower construction in providing ... More
Mispillion Lighthouse, Beacon Tower, South bank of Mispillion River at...
Significance: The beacon tower is associated with Mispillion Lighthouse, one of three surviving lighthouses in Delaware, and is an early example of the importance of steel-frame tower construction in providing ... More
Charlestown Navy Yard, Pier 11, Charlestown Waterfront at confluence o...
Significance: Pier 11 is significant as the last pier built at Charlestown Navy Yard. It is also the largest. It was originally a narrow timber pier constructed during World War II to serve in degaussing ship... More
Mispillion Lighthouse, South bank of Mispillion River at its confluenc...
Significance: Mispillion Lighthouse is the sole surviving wood-frame lighthouse in Delaware and is one of only three Delaware Bay lighthouses still standing on Delaware soil. Unprocessed Field note material ex... More
Simon Canyon Pueblito, Approximately 0.6 mile north of Simon Canyon co...
Unprocessed Field note material exists for this structure: N558 Survey number: HABS NM-154
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 ...
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
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
![[Confluence of Edre (i.e., Erdre) and Loire, Nantes, France]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4OTAvMDEvMDEvY29uZmx1ZW5jZS1vZi1lZHJlLWllLWVyZHJlLWFuZC1sb2lyZS1uYW50ZXMtZnJhbmNlLTEwMjQuanBn/40/29/webp "[Confluence of Edre (i.e., Erdre) and Loire, Nantes, France]")
[Confluence of Edre (i.e., Erdre) and Loire, Nantes, France]
Historic Sites Public domain photograph - photochrome print, colorized, free to use, no copyright restrictions image - Picryl description
Architectural art "Vortex, Stream, and Confluence" at Lloyd D. George ...
Artist: Howard Ben Tre, 2000. Granite; 3 with 9 meter diameter circular seating areas. Photographed as part of an assignment for the General Services Administration. Title information, date, and subject note pr... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Gilbert Bridge, U.S. Route 52, spanning Guyandotte River near confluen...
Significance: The Gilbert Bridge, which was constructed during the "Good Roads Movement" of the 1920s, allowed for the economic and geographic expansion of Gilbert, West Virginia by providing safe and convenien... More
Chickamauga National Military Park Tour Roads, Alexander's Bridge, At ...
Significance: Alexander's Bridge, the Connecting Roadway (HAER No. GA-95-B), and Gordon's Slough Bridge (HAER No. GA-95-C) are contributing features to the Chickamauga and Chattanooga National Military Park. T... More
Clifton Townsite, Confluence of Chase Creek & San Francisco River, Cli...
Survey number: HABS AZ-165 National Register of Historic Places NRIS Number: 90000339
Clifton Townsite, Confluence of Chase Creek & San Francisco River, Cli...
Survey number: HABS AZ-165 National Register of Historic Places NRIS Number: 90000339
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Agness Guard Station, Residence, Confluence of Rogue & Illinois Rivers...
Significance: CCC administrative site used by Siskiyou National Forest as a guard station constructed by the first CCC camp established in SW Oregon. The materials for it were brought up the Rogue River by boa... More
Agness Guard Station, Residence, Confluence of Rogue & Illinois Rivers...
Significance: CCC administrative site used by Siskiyou National Forest as a guard station constructed by the first CCC camp established in SW Oregon. The materials for it were brought up the Rogue River by boa... More
West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...
Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More
West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...
Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More
West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...
Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More
West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...
Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More
Mispillion Lighthouse, Beacon Tower, South bank of Mispillion River at...
Significance: The beacon tower is associated with Mispillion Lighthouse, one of three surviving lighthouses in Delaware, and is an early example of the importance of steel-frame tower construction in providing ... More
Charlestown Navy Yard, Pier 11, Charlestown Waterfront at confluence o...
Significance: Pier 11 is significant as the last pier built at Charlestown Navy Yard. It is also the largest. It was originally a narrow timber pier constructed during World War II to serve in degaussing ship... More
Charlestown Navy Yard, Pier 11, Charlestown Waterfront at confluence o...
Significance: Pier 11 is significant as the last pier built at Charlestown Navy Yard. It is also the largest. It was originally a narrow timber pier constructed during World War II to serve in degaussing ship... More
Tapacito Pueblito, North of confluence of Tapacito & Largo Canyons, Du...
Significance: The Pueblo Revolt of 1680 and subsequent Spanish reconquest of 1692 forced many Pueblo tribes to flee westward and seek temporary refuge with the Navajo. Tapacito Pueblito was one such refugee si... More
Tapacito Pueblito, North of confluence of Tapacito & Largo Canyons, Du...
Significance: The Pueblo Revolt of 1680 and subsequent Spanish reconquest of 1692 forced many Pueblo tribes to flee westward and seek temporary refuge with the Navajo. Tapacito Pueblito was one such refugee si... More
Largo School Pueblito, South of Largo Canyon School & opposite conflue...
Unprocessed Field note material exists for this structure: N561 Survey number: HABS NM-157
Back Run Bridge (Ruin), Approximately 2,000 feet (610 meters) upstream...
Significance: The bridge abutments along Back Run are part of an impressive list of engineering structures built by the Harrisville Southern Railroad, a Ritchie County short line. They were built with the labo... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More
Johnstown Local Flood Protection Project, Beginning on Conemaugh River...
Significance: The project is significant example of a specialized engineering structure designed by the U.S. Army Corps of Engineers in 1937-38 and constructed between 1938-43. It was then the second largest fl... More