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Steel alloy manufacture. Allegheny Ludlum Steel Corporation, Brackenridge, Pennsylvania. Quality in the manufacture of steel requires constant control and research. This chemist is weighing the elements of a steel alloy to determine its exact composition. Analysis is determined to 1/1000 of 1 percent of each element in the alloy

Steel alloy manufacture. Allegheny Ludlum Steel Corporation, Brackenri...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Houses in slum area in Pittsburgh, Pennsylvania

Houses in slum area in Pittsburgh, Pennsylvania

Public domain photograph of apartment building, residential property, free to use, no copyright restrictions image - Picryl description

Steel manufacture, Allegheny-Ludlum. Here is a row of charging boxes loaded with limestone, the main ingrediant in the production of quality steel. These boxes will shortly dump their loads into open hearth furnaces

Steel manufacture, Allegheny-Ludlum. Here is a row of charging boxes l...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Posters in use. Office of Emergency Management (OEM) production posters displayed on the pay shack of the Allegheny Ludlum Steel Corporation in Brackenridge, Pennsylvania

Posters in use. Office of Emergency Management (OEM) production poster...

Public domain image of personnel, army, group of people in uniform, parade, historic place, military activity, free to use, no copyright restrictions - Picryl description

Steel alloy manufacture. Allegheny Ludlum Steel Corporation, Brackenridge, Pennsylvania. Open hearth steel is also made at this plant. Raw materials are charged into an open hearth furnace by means of this charging mechanism. The open hearth furnaces have a capacity of about 100 tons of steel per heat

Steel alloy manufacture. Allegheny Ludlum Steel Corporation, Brackenri...

Public domain photograph of 1930s-1940s train station, train car, no copyright restrictions image - Picryl description

Houses in slum area of Pittsburgh, Pennsylvania

Houses in slum area of Pittsburgh, Pennsylvania

Picryl description: Public domain image of a victorian era building, victorian house, 19th century architecture, free to use, no copyright restrictions.

Jones Laughlin steel company. Pittsburgh, Pennsylvania

Jones Laughlin steel company. Pittsburgh, Pennsylvania

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description

Pittsburgh, Pennsylvania - safety film negatives, Library of Congress

Pittsburgh, Pennsylvania - safety film negatives, Library of Congress

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Pittsburgh, Pennsylvania - safety film negatives, Library of Congress

Pittsburgh, Pennsylvania - safety film negatives, Library of Congress

Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl... More

A poster comes to life. "I know now where we get the stuff for battleships and guns--and even radio parts. And with men like you producing this stuff we need and backing us up, we can't lose this war." Chief Evans speaks to the steelworkers on his visit to an Allegheny-Ludlum mill. Touring the plant, Evans got his initiation into a new battlefront where weapons for the Army and Navy are forged. Welder Woolslayer (standing left) and Sergeant Vineyard stand by after the assistant plant superintendent (seated) introduced Evans to the audience. Allegheny-Ludlum Steel, Pittsburgh, Pennsylvania

A poster comes to life. "I know now where we get the stuff for battles...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Pittsburgh, Pennsylvania (vicinity). Champion no. 1 coal cleaning plant. Washing coal

Pittsburgh, Pennsylvania (vicinity). Champion no. 1 coal cleaning plan...

Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Coal. Miners leaving the cage after coming up from the mine bottom

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsbu...

Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Empty car returning to the "cage" where it will be lowered down into the mine from the tipple

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsbu...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Rotary dump which empties coal cars into a chute which conveys the coal to railroad cars beneath

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsbu...

Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.

Pittsburgh, Pennsylvania (vicinity). Champion no. 1 coal cleaning plant. Farm lands over the coal beds

Pittsburgh, Pennsylvania (vicinity). Champion no. 1 coal cleaning plan...

Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl... More

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Slate is loaded into separate cars in the mine and when the "trips" come into the tripple, the slate is dumped onto a conveyor belt which dumps it into moving overhead cars which carry the refuse a mile up the hill where it is dumped

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsbu...

Picryl description: Public domain image of a quarry, mine, excavation, or mining site, free to use, no copyright restrictions.

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Miners getting their head and safety lamps

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsbu...

Public domain photograph of worker, people working, free to use, no copyright restrictions image - Picryl description

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsbu...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

A poster comes to life. He doesn't wear a sergeant's stripes or a captain's bars, but he's an essential soldier of the home front, just as vital to the winning of this war as the men in uniform on America's myriad battlefields. A steelworker, whose job includes shoveling limestone into an electric furnace, is helping to produce the weapons to smash the Axis

A poster comes to life. He doesn't wear a sergeant's stripes or a capt...

Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.

Pittsburgh, Pennsylvania (vicinity). Westland coal mine. Enroute to work

Pittsburgh, Pennsylvania (vicinity). Westland coal mine. Enroute to wo...

Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl... More

Pittsburgh (vicinity), Pennsylvania. Montour Number Four mine of the Pittsburgh Coal Company. Miners in the room where lamps are kept

Pittsburgh (vicinity), Pennsylvania. Montour Number Four mine of the P...

Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.

A poster comes to life. Standing in the white-hot glare of a twenty-five ton electric furnace where scrap metal and alloy materials are combined under terrific heat treatment, welder George Woolslayer tells Sergeant Vineyard and Chief Evans how this molten metal will be forged into the guns and tanks and ships with which they will beat the Axis. Allegheny-Ludlum Steel, Pittsburgh, Pennsylvania

A poster comes to life. Standing in the white-hot glare of a twenty-fi...

Public domain photograph of 1930s-1940s industrial development, no copyright restrictions image - Picryl description

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Setting off a powder blast with the warning order "fire"

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsbu...

Picryl description: Public domain image of a mine, mining, free to use, no copyright restrictions.

A poster comes to life. "She's just about your age, too." Aviation-radio Chief John Evans tells Georgia Ann Woolslayer about his own daughter in the course of the servicemen's visit at the Woolslayer's house. The comforts of home looked pretty good to Evans and Sergeant Vineyard who spent Sunday with the family of their poster colleague George Woolslayer. Allegheny-Steel, Pittsburgh, Pennsylvania

A poster comes to life. "She's just about your age, too." Aviation-rad...

Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description

A black and white photo of a graffiti on a wall. Office of War Information Photograph

A black and white photo of a graffiti on a wall. Office of War Informa...

Public domain photograph - United States during the 1930s and 1940s, Farm Security Administration, New Deal, free to use, no copyright restrictions image - Picryl description

Pittsburgh, Pennsylvania (vicinity). Champion no. 1 coal cleaning plant. Cleaned coal being loaded into railroad cars

Pittsburgh, Pennsylvania (vicinity). Champion no. 1 coal cleaning plan...

Picryl description: Public domain photo of an industrial building, factory or warehouse, free to use, no copyright restrictions image.

Pittsburgh, Pennsylvania. Clem Carson, a Greyhound bus driver, packing the suitcase which he takes with him on a run

Pittsburgh, Pennsylvania. Clem Carson, a Greyhound bus driver, packing...

Picryl description: Public domain photograph of farmers, vendors, store, 1930s, Great Depression, economic conditions, free to use, no copyright restrictions.

Purchasing bread in a Lithuanian bakery. The bread in the foreground is Lithuanian rye. Pittsburgh, Pennsylvania

Purchasing bread in a Lithuanian bakery. The bread in the foreground i...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

A man and a woman standing in front of a cross. Office of War Information Photograph

A man and a woman standing in front of a cross. Office of War Informat...

Title and other information from print in lot. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl... More

Pittsburgh, Pennsylvania. A girl cleaner scraping the paint from a bus which is to be repainted at the Greyhound garage

Pittsburgh, Pennsylvania. A girl cleaner scraping the paint from a bus...

Picryl description: Public domain photograph of a car, 1930s, free to use, no copyright restrictions.

Pittsburgh, Pennsylvania. The waiting room at the Greyhound bus terminal

Pittsburgh, Pennsylvania. The waiting room at the Greyhound bus termin...

Public domain photograph of bus station, bus terminal, free to use, no copyright restrictions image - Picryl description

Pittsburgh, Pennsylvania. The waiting room at the Greyhound bus terminal

Pittsburgh, Pennsylvania. The waiting room at the Greyhound bus termin...

Public domain photograph of bus station, bus terminal, free to use, no copyright restrictions image - Picryl description

A black and white photo of two men behind bars. Office of War Information Photograph

A black and white photo of two men behind bars. Office of War Informat...

Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl... More

Pitcairn, Pennsylvania. Miss Mary DaVanzo, twenty-two, employed at the Pennsylvania Railroad steel car shop boiler room as a stationary firemen's helper, earning seventy-two cents per hour. She lives on a farm in nearby Delmont and was formerly a waitress in the Mercy Hospital, Pittsburgh

Pitcairn, Pennsylvania. Miss Mary DaVanzo, twenty-two, employed at the...

Picryl description: Public domain image of industrial or agricultural worker, 1930s, 20th-century, free to use, no copyright restrictions. show less

An old photo of a woman working on a machine. Office of War Information Photograph

An old photo of a woman working on a machine. Office of War Informatio...

Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl... More

West Penn Bridge, Pennsylvania Railroad, spanning Allegheny River, Pittsburgh, Allegheny County, PA

West Penn Bridge, Pennsylvania Railroad, spanning Allegheny River, Pit...

Significance: Built to provide railroad access to Washington's Landing, the bridge has become a signature bridge in Pittsburgh. The elegant double intersection Pratt truss frames a dramatic view of Pittsburgh a... More

Monongahela Incline Plane, Connecting North side of Grandview Avenue at Wyoming Street with West Carson Street near Smithfield Street, Pittsburgh, Allegheny County, PA

Monongahela Incline Plane, Connecting North side of Grandview Avenue a...

Significance: The first constructed and oldest passenger incline plane in Pittsburgh, this system retains the 1882 safety brake and bull wheel and 1935 electrical system including drive motors, operating brakes... More

Monongahela Incline Plane, Connecting North side of Grandview Avenue at Wyoming Street with West Carson Street near Smithfield Street, Pittsburgh, Allegheny County, PA

Monongahela Incline Plane, Connecting North side of Grandview Avenue a...

Significance: The first constructed and oldest passenger incline plane in Pittsburgh, this system retains the 1882 safety brake and bull wheel and 1935 electrical system including drive motors, operating brakes... More

14-16 Eloise Street (House), Pittsburgh, Allegheny County, PA

14-16 Eloise Street (House), Pittsburgh, Allegheny County, PA

Written data includes photocopies of location maps & floor plans. Significance: 14-16 Eloise Street is representative of the brick row housing and duplexes that were built in this section of Allegheny after a d... More

Morse School Annex, Sarah Street between Twenty-fourth & Twenty-fifth Streets, Pittsburgh, Allegheny County, PA

Morse School Annex, Sarah Street between Twenty-fourth & Twenty-fifth ...

Written data includes sketches & photocopies of maps. Significance: The structure is a strange mixture of relatively new and daring structural concepts and a hopelessly outdated exterior shell. It is a "mule" w... More

Morse School Annex, Sarah Street between Twenty-fourth & Twenty-fifth Streets, Pittsburgh, Allegheny County, PA

Morse School Annex, Sarah Street between Twenty-fourth & Twenty-fifth ...

Written data includes sketches & photocopies of maps. Significance: The structure is a strange mixture of relatively new and daring structural concepts and a hopelessly outdated exterior shell. It is a "mule" w... More

John J. Muse House, Muse's Lane, McKeesport, Allegheny County, PA

John J. Muse House, Muse's Lane, McKeesport, Allegheny County, PA

Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.

U.S. Steel National Tube Works, Auxiliary Buildings, Along Monongahela River, McKeesport, Allegheny County, PA

U.S. Steel National Tube Works, Auxiliary Buildings, Along Monongahela...

Survey number: HAER PA-380-E Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description

U.S. Steel National Tube Works, Auxiliary Buildings, Along Monongahela River, McKeesport, Allegheny County, PA

U.S. Steel National Tube Works, Auxiliary Buildings, Along Monongahela...

Survey number: HAER PA-380-E Public domain photograph of industrial building, landscape, architecture, free to use, no copyright restrictions image - Picryl description

U.S. Steel National Tube Works, Auxiliary Buildings, Along Monongahela River, McKeesport, Allegheny County, PA

U.S. Steel National Tube Works, Auxiliary Buildings, Along Monongahela...

Survey number: HAER PA-380-E Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description

U.S. Allegheny Arsenal, N. C. O. Quarters, Thirty-ninth Street, Pittsburgh, Allegheny County, PA

U.S. Allegheny Arsenal, N. C. O. Quarters, Thirty-ninth Street, Pittsb...

Unprocessed Field note material exists for this structure: FN-9, FN-11 Survey number: HABS PA-8-1-D

Virginia Medical Center, Aspinwall Division, Administration Building, 5103 Delafield Avenue, Aspinwall, Allegheny County, PA

Virginia Medical Center, Aspinwall Division, Administration Building, ...

Significance: The Administration Building is associated with the continued growth and expansion of the veteran's hospital at Aspinwall. Constructed in 1938, the building housed the facility's administrative off... More

Broadhead Manor, Northern corner of Broadhead Fording & Mazette Roads, Pittsburgh, Allegheny County, PA

Broadhead Manor, Northern corner of Broadhead Fording & Mazette Roads,...

Significance: Broadhead Manor, first occupied in February 1944, is among Pittsburgh's earliest public housing projects. At the beginning of World War II, the tremendous demand for shipbuilding resulted in a 6,0... More

Allequippa Terrace, Wadsworth Hall, Burrows & Wadsworth Streets, Pittsburgh, Allegheny County, PA

Allequippa Terrace, Wadsworth Hall, Burrows & Wadsworth Streets, Pitts...

Survey number: HABS PA-6222-B Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description

North Side Market, Federal & East Ohio Streets, Pittsburgh, Allegheny County, PA

North Side Market, Federal & East Ohio Streets, Pittsburgh, Allegheny ...

Public domain scan of an architecture diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.

Gulf Filling Station, Corner of Route 51 & West Liberty Avenue, Pittsburgh, Allegheny County, PA

Gulf Filling Station, Corner of Route 51 & West Liberty Avenue, Pittsb...

Written data includes site & floor plans. Significance: The Gulf Filling Station (Meineke Garage) is a good example of early 20th century transportation-related architecture. This building is an unusual example... More

Schenley Park Bridge over Panther Hollow, Spanning Panther Hollow at Panther Hollow Road, Pittsburgh, Allegheny County, PA

Schenley Park Bridge over Panther Hollow, Spanning Panther Hollow at P...

Significance: The bridge includes design elements from the City Beautiful movement while utilizing Pittsburgh's "native" industry: steel. An elegant three-hinged steel arch, the bridge is a contributing structu... More

Carnegie Institute of Technology, Administration Building, Frew Street, Pittsburgh, Allegheny County, PA

Carnegie Institute of Technology, Administration Building, Frew Street...

Survey number: HABS PA-1172 Building/structure dates: before 1963 Subsequent Work

Carnegie Institute of Technology, Administration Building, Frew Street, Pittsburgh, Allegheny County, PA

Carnegie Institute of Technology, Administration Building, Frew Street...

Survey number: HABS PA-1172 Building/structure dates: before 1963 Subsequent Work

Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, Allegheny County, PA

Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...

Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More

Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, Allegheny County, PA

Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...

Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More

John F. Singer House, 1318 Singer Place, Pittsburgh, Allegheny County, PA

John F. Singer House, 1318 Singer Place, Pittsburgh, Allegheny County,...

Significance: One of the finest and most elaborate Pittsburgh mansions built in the Gothic Revival style. Survey number: HABS PA-433 Building/structure dates: ca. 1869 Initial Construction

John F. Singer House, 1318 Singer Place, Pittsburgh, Allegheny County, PA

John F. Singer House, 1318 Singer Place, Pittsburgh, Allegheny County,...

Significance: One of the finest and most elaborate Pittsburgh mansions built in the Gothic Revival style. Survey number: HABS PA-433 Building/structure dates: ca. 1869 Initial Construction

U.S. Steel Homestead Works, Machine Shop No. 2, Along Monongahela River, Homestead, Allegheny County, PA

U.S. Steel Homestead Works, Machine Shop No. 2, Along Monongahela Rive...

See also HAER PA-200 for additional documentation. Includes written data (pages 138 through 141). Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the ... More

1207 Federal Street (House), Pittsburgh, Allegheny County, PA

1207 Federal Street (House), Pittsburgh, Allegheny County, PA

Written data includes photocopies of location maps & floor plans. Significance: 1207 Federal Street is representative of the commercial buildings that fronted on this section of Federal Street in Allegheny by t... More

U.S. Steel Homestead Works, Open Hearth Steelmaking Plant, Along Monongahela River, Homestead, Allegheny County, PA

U.S. Steel Homestead Works, Open Hearth Steelmaking Plant, Along Monon...

Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the nation's most important steel mills and the Mon Valley's status as the pre-eminent iron and steel ... More

St. Mary's Roman Catholic School, Northwest corner of Church Avenue & Guthrie Street, McKees Rocks, Allegheny County, PA

St. Mary's Roman Catholic School, Northwest corner of Church Avenue & ...

Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.

St. Mary's Roman Catholic School, Northwest corner of Church Avenue & Guthrie Street, McKees Rocks, Allegheny County, PA

St. Mary's Roman Catholic School, Northwest corner of Church Avenue & ...

Public domain photograph of window, architectural element, free to use, no copyright restrictions image - Picryl description

U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela River, Homestead, Allegheny County, PA

U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela Riv...

See also HAER PA-200 for additional documentation. Includes written data (pages 76 through 94). Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the na... More

U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela River, Homestead, Allegheny County, PA

U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela Riv...

See also HAER PA-200 for additional documentation. Includes written data (pages 76 through 94). Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the na... More

U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela River, Homestead, Allegheny County, PA

U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela Riv...

See also HAER PA-200 for additional documentation. Includes written data (pages 76 through 94). Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the na... More

U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela River, Homestead, Allegheny County, PA

U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela Riv...

See also HAER PA-200 for additional documentation. Includes written data (pages 76 through 94). Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the na... More

McKee's Rocks Bridge, Spanning Ohio River at Chartiers Avenue (State Route 3014), McKees Rocks, Allegheny County, PA

McKee's Rocks Bridge, Spanning Ohio River at Chartiers Avenue (State R...

Significance: The bridge is an outstanding example of a long-span metal through arch bridge constructed by Allegheny County as part of an intensive bridge-building campaign during the late 1920s and early 1930s... More

Washington Crossing Bridge, Spanning Allegheny River at Fortieth Street (State Route 2124), Pittsburgh, Allegheny County, PA

Washington Crossing Bridge, Spanning Allegheny River at Fortieth Stree...

See also HABS PA-1179 for additional documentation. Includes drawings. Significance: The bridge is an outstanding example of a long-span metal deck arch bridge. Its unique architectural details, forged in a suc... More

John M. Bracken Hotel, 100-104 Anderson Street, Pittsburgh, Allegheny County, PA

John M. Bracken Hotel, 100-104 Anderson Street, Pittsburgh, Allegheny ...

Written data & photo caption pages include sketches. Significance: The Bracken Hotel, built in 1892, is one of the last remnants in this part of what was once the City of Allegheny, annexed to Pittsburgh in 190... More

John M. Mitchell House, 524 Third Avenue, Pittsburgh, Allegheny County, PA

John M. Mitchell House, 524 Third Avenue, Pittsburgh, Allegheny County...

Unprocessed Field note material exists for this structure: FN-74 Survey number: HABS PA-42 Building/structure dates: after. 1845- before. 1860 Initial Construction

George Westinghouse Bridge, Spanning Turtle Creek at Lincoln Highway (U.S. Route 30), East Pittsburgh, Allegheny County, PA

George Westinghouse Bridge, Spanning Turtle Creek at Lincoln Highway (...

Significance: Hailed as "America's Longest Concrete-Arch Bridge" when it opened in 1932, the bridge's main span remains one of the longest concrete arch spans in the U.S. This structure represents the highest e... More

Munhall Homesteads, Longfellow Drive, Munhall, Allegheny County, PA

Munhall Homesteads, Longfellow Drive, Munhall, Allegheny County, PA

Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description

Virginia Medical Center, Aspinwall Division, Ambulatory Quarters, 5103 Delafield Avenue, Aspinwall, Allegheny County, PA

Virginia Medical Center, Aspinwall Division, Ambulatory Quarters, 5103...

Significance: The Ambulant Quarters is one of the original structures erected by the United States Veterans' Bureau at Aspinwall in 1924. The building originally housed ambulatory tuberculosis patients, who wer... More

Jones & Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, opposite South Twenty-seventh Street, Pittsburgh, Allegheny County, PA

Jones & Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mi...

Survey number: HAER PA-48 Building/structure dates: 1893 Initial Construction

U.S. Steel Duquesne Works, Primary Mill, Along Monongahela River, Duquesne, Allegheny County, PA

U.S. Steel Duquesne Works, Primary Mill, Along Monongahela River, Duqu...

See also HAER PA-115 for additional documentation. Includes written data (pages 211 through 226). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

James Miller House, Pittsburgh vicinity, Library, Allegheny County, PA

James Miller House, Pittsburgh vicinity, Library, Allegheny County, PA

Unprocessed Field note material exists for this structure: FN-34 Survey number: HABS PA-410 Building/structure dates: ca. 1804- ca. 1808 Initial Construction Building/structure dates: after 1808 Subsequent Work

Pittsburgh & Castle Shannon Railroad, South Hills Junction, Pittsburgh, Allegheny County, PA

Pittsburgh & Castle Shannon Railroad, South Hills Junction, Pittsburgh...

Significance: This former 40-inch, narrow-guage railroad was purchased in 1871 by the Pittsburgh & Castle Shannon Railroad Company. In 1909, Pittsburgh Railways Company, lessee, began electrifying and convertin... More

Fort Pitt Blockhouse, 25 Penn Avenue, Point State Historic Park, Pittsburgh, Allegheny County, PA

Fort Pitt Blockhouse, 25 Penn Avenue, Point State Historic Park, Pitts...

Significance: The structure was erected on the west side of the ramparts of Fort Pitt as greater protection against Indian attacks. It is the only known remaining 18th century building in the Pittsburgh vicinit... More

U.S. Steel Homestead Works, Press Shop No. 2, Along Monongahela River, Homestead, Allegheny County, PA

U.S. Steel Homestead Works, Press Shop No. 2, Along Monongahela River,...

See also HAER PA-200 for additional documentation. Includes written data (pages 134 & 135). Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the nation... More

U.S. Steel Homestead Works, Press Shop No. 2, Along Monongahela River, Homestead, Allegheny County, PA

U.S. Steel Homestead Works, Press Shop No. 2, Along Monongahela River,...

See also HAER PA-200 for additional documentation. Includes written data (pages 134 & 135). Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the nation... More

Bessemer & Lake Erie Railroad, Allegheny River Bridge, Spanning Allegheny River, East of Pennsylvania Turnpike (I-76), Oakmont, Allegheny County, PA

Bessemer & Lake Erie Railroad, Allegheny River Bridge, Spanning Allegh...

Significance: The bridge was designed by two U.S. Steel subsidiaries - the railroad and the American Bridge Company - as a showpiece for their parent company. This structure not only introduced new silicon stee... More

Blair Heights, Building No. 8, Maple Avenue, Clairton, Allegheny County, PA

Blair Heights, Building No. 8, Maple Avenue, Clairton, Allegheny Count...

Survey number: HABS PA-6642-B Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description

Blair Heights, Building No. 8, Maple Avenue, Clairton, Allegheny County, PA

Blair Heights, Building No. 8, Maple Avenue, Clairton, Allegheny Count...

Survey number: HABS PA-6642-B Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description

Penn & Liberty Avenues (Commercial Buildings), Harper Building, 723-725 Liberty Avenue, Pittsburgh, Allegheny County, PA

Penn & Liberty Avenues (Commercial Buildings), Harper Building, 723-72...

Written data includes sketches & photocopies of maps & photographs. Significance: The Harper Building is significant as a tribute to John Arunah Harper, a prominent financier, organizer, and philanthropist in l... More

Hogg-Brunot House, 216 Stockton Avenue, Pittsburgh, Allegheny County, PA

Hogg-Brunot House, 216 Stockton Avenue, Pittsburgh, Allegheny County, ...

Significance: This a fine example of a large Greek Revival Pittsburgh town house of the mid-nineteenth century. The general plan, with the exception of minor interior alterations is unchanged. Survey number: ... More

U.S. Steel Homestead Works, Along Monongahela River, north of Eighth Avenue, Homestead, Allegheny County, PA

U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...

Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More

Pittsburgh & Castle Shannon Railroad, Reflectorville Viaduct, Overbrook Trolley Line, crossing near Edgebrook Avenue, Pittsburgh, Allegheny County, PA

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

U.S. Allegheny Arsenal, Commandants' Quarters, Fortieth Street, Pittsburgh, Allegheny County, PA

U.S. Allegheny Arsenal, Commandants' Quarters, Fortieth Street, Pittsb...

Public domain scan of an architecture diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.

1223-1225 Federal Street (House), Pittsburgh, Allegheny County, PA

1223-1225 Federal Street (House), Pittsburgh, Allegheny County, PA

Written data includes photocopies of location maps & floor plans. Significance: 1223-1225 Federal Street is representative of the commercial buildings that fronted on this section of Federal Street in Allegheny... More

English-Oliver House, 845 Ridge Avenue, Pittsburgh, Allegheny County, PA

English-Oliver House, 845 Ridge Avenue, Pittsburgh, Allegheny County, ...

Significance: Originally built in 1871-74, the house was remodeled in 1892-93 after the designs of the Boston firm of Shepley, Rutan, and Coolidge. One of the finest of the Pittsburgh millionaires'' mansions, i... More

Charles Brewer House, 1131 Western Avenue, Pittsburgh, Allegheny County, PA

Charles Brewer House, 1131 Western Avenue, Pittsburgh, Allegheny Count...

Unprocessed Field note material exists for this structure: FN-73 Survey number: HABS PA-41 Building/structure dates: ca. 1830 Initial Construction Building/structure dates: after. 1861- before. 1925 Subsequent Work

Charles Brewer House, 1131 Western Avenue, Pittsburgh, Allegheny County, PA

Charles Brewer House, 1131 Western Avenue, Pittsburgh, Allegheny Count...

Unprocessed Field note material exists for this structure: FN-73 Survey number: HABS PA-41 Building/structure dates: ca. 1830 Initial Construction Building/structure dates: after. 1861- before. 1925 Subsequent Work

Pittsburgh & Steubenville Extension Railroad Tunnel, Between Fifth & Sixth Streets, East of Grant Street, Pittsburgh, Allegheny County, PA

Pittsburgh & Steubenville Extension Railroad Tunnel, Between Fifth & S...

Significance: The Pittsburgh and Steubenville Extension Railroad Tunnel was a section of the Pittsburgh rail link between the Pennsylvania Railroad's western terminus and the eastern terminus of the Steubenvill... More

U.S. Steel Homestead Works, 160" Plate Mill, Along Monongahela River, Homestead, Allegheny County, PA

U.S. Steel Homestead Works, 160" Plate Mill, Along Monongahela River, ...

See also HAER PA-301 for additional documentation. Includes drawings & written data. See also HAER PA-200 for additional documentation. Includes written data (pages 110 through 119). Significance: As a group, t... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

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 downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

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 downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

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 downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

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

Smithfield Street Bridge, Spanning Monongahela River on Smithfield Street, Pittsburgh, Allegheny County, PA

Smithfield Street Bridge, Spanning Monongahela River on Smithfield Str...

Significance: Designed by Gustav Lindenthal, one of America's most famous bridge engineers, as a two-lane bridge. One lane was erected in 1883, and another was added in 1891. The span is Pittsburgh's most gra... More

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