Broad River Bridge, Spanning Broad River at U.S. Highway 29, Gaffney, ...
Significance: The completion of this 1,035' span was the last section of a larger project to improve U.S. Highway 29 across South Carolina. The structure is unusual because of its skewed through truss spans. ... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Fuel & Utilities Plant, Along Monongahela R...
See also HAER PA-115 for additional documentation. Includes written data (pages 239 through 248). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More
U.S. Steel Duquesne Works, Fuel & Utilities Plant, Along Monongahela R...
See also HAER PA-115 for additional documentation. Includes written data (pages 239 through 248). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More
U.S. Steel Duquesne Works, Fuel & Utilities Plant, Along Monongahela R...
See also HAER PA-115 for additional documentation. Includes written data (pages 239 through 248). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More
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
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
U.S. Steel Edgar Thomson Works, Along Monongahela River, Braddock, All...
Significance: Named after the president of the Pennsylvania Railroad and early financial backer of the enterprises, was the first integrated Bessener steel works constructed in the Pittsburgh district by Andrew... More
Santa Fe Railroad, Sanitary & Ship Canal Bridge, Spanning Sanitary & S...
Significance: This bridge is one of seven surviving swing bridges built in 1899 across the Sanitary and Ship Canal. Survey number: HAER IL-39 Building/structure dates: 1899 Initial Construction
Broad River Bridge, Spanning Broad River at U.S. Highway 29, Gaffney, ...
Significance: The completion of this 1,035' span was the last section of a larger project to improve U.S. Highway 29 across South Carolina. The structure is unusual because of its skewed through truss spans. ... More
Smith River Bridge, CA State Highway 199 Spanning Smith River, Crescen...
Significance: The Smith River Bridge was a rare California example of the cantilever highway truss bridge, a bridge type that enjoyed brief popularity during the decade spanning the late 1920s to the late 1930s... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Fuel & Utilities Plant, Along Monongahela R...
See also HAER PA-115 for additional documentation. Includes written data (pages 239 through 248). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More
U.S. Steel Duquesne Works, Fuel & Utilities Plant, Along Monongahela R...
See also HAER PA-115 for additional documentation. Includes written data (pages 239 through 248). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More
The Homestead riot / drawn by W.P. Snyder after a photograph by Dabbs,...
The Pinkerton men leaving the barges after the surrender. Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
![[Carnegie Steel Company, "Lucy" furnace, Pittsburgh, Pennsylvania]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MDAvMDEvMDEvY2FybmVnaWUtc3RlZWwtY29tcGFueS1sdWN5LWZ1cm5hY2UtcGl0dHNidXJnaC1wYS0xMDI0LmpwZw%3D%3D/40/32/webp "[Carnegie Steel Company, \"Lucy\" furnace, Pittsburgh, Pennsylvania]")
[Carnegie Steel Company, "Lucy" furnace, 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
Mrs. Frank Merchant and her children. They have a two-floor apartment-...
Picryl description: Public domain image of children in poverty during the Great Depression, migrant workers, free to use, no copyright restrictions.
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
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
Pennsylvania Railroad, Pickering Creek Trestle, Spanning Pickering Cre...
Significance: The trestle is significant as a high trestle with both horizontal and vertical curvature. Unprocessed Field note material exists for this structure: N596 Survey number: HAER PA-521 Building/str... More
Santa Fe Railroad, Sanitary & Ship Canal Bridge, Spanning Sanitary & S...
Significance: This bridge is one of seven surviving swing bridges built in 1899 across the Sanitary and Ship Canal. Survey number: HAER IL-39 Building/structure dates: 1899 Initial Construction
Broad River Bridge, Spanning Broad River at U.S. Highway 29, Gaffney, ...
Significance: The completion of this 1,035' span was the last section of a larger project to improve U.S. Highway 29 across South Carolina. The structure is unusual because of its skewed through truss spans. ... More
Smith River Bridge, CA State Highway 199 Spanning Smith River, Crescen...
Significance: The Smith River Bridge was a rare California example of the cantilever highway truss bridge, a bridge type that enjoyed brief popularity during the decade spanning the late 1920s to the late 1930s... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Fuel & Utilities Plant, Along Monongahela R...
See also HAER PA-115 for additional documentation. Includes written data (pages 239 through 248). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More
U.S. Steel Duquesne Works, Fuel & Utilities Plant, Along Monongahela R...
See also HAER PA-115 for additional documentation. Includes written data (pages 239 through 248). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More
U.S. Steel Duquesne Works, West bank of Monongahela River along State ...
Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integrated steel producing ventures in the Monongahela Valley of western Pennsylvania. Constructed af... More
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
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
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
Ohio Works of the Carnegie Steel Co., Youngstown, O.
Public domain photograph - panorama, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel Edgar Thomson Works, Along Monongahela River, Braddock, All...
Significance: Named after the president of the Pennsylvania Railroad and early financial backer of the enterprises, was the first integrated Bessener steel works constructed in the Pittsburgh district by Andrew... More
Broad River Bridge, Spanning Broad River at U.S. Highway 29, Gaffney, ...
Significance: The completion of this 1,035' span was the last section of a larger project to improve U.S. Highway 29 across South Carolina. The structure is unusual because of its skewed through truss spans. ... More
Smith River Bridge, CA State Highway 199 Spanning Smith River, Crescen...
Significance: The Smith River Bridge was a rare California example of the cantilever highway truss bridge, a bridge type that enjoyed brief popularity during the decade spanning the late 1920s to the late 1930s... More
Smith River Bridge, CA State Highway 199 Spanning Smith River, Crescen...
Significance: The Smith River Bridge was a rare California example of the cantilever highway truss bridge, a bridge type that enjoyed brief popularity during the decade spanning the late 1920s to the late 1930s... More
Smith River Bridge, CA State Highway 199 Spanning Smith River, Crescen...
Significance: The Smith River Bridge was a rare California example of the cantilever highway truss bridge, a bridge type that enjoyed brief popularity during the decade spanning the late 1920s to the late 1930s... More
Smith River Bridge, CA State Highway 199 Spanning Smith River, Crescen...
Significance: The Smith River Bridge was a rare California example of the cantilever highway truss bridge, a bridge type that enjoyed brief popularity during the decade spanning the late 1920s to the late 1930s... More
Smith River Bridge, CA State Highway 199 Spanning Smith River, Crescen...
Significance: The Smith River Bridge was a rare California example of the cantilever highway truss bridge, a bridge type that enjoyed brief popularity during the decade spanning the late 1920s to the late 1930s... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Fuel & Utilities Plant, Along Monongahela R...
See also HAER PA-115 for additional documentation. Includes written data (pages 239 through 248). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More
Mrs. Merchant and baby in the living room of their apartment. They hav...
Picryl description: Public domain image of children in poverty during the Great Depression, migrant workers, free to use, no copyright restrictions.
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
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
Pennsylvania Railroad, Pickering Creek Trestle, Spanning Pickering Cre...
Significance: The trestle is significant as a high trestle with both horizontal and vertical curvature. Unprocessed Field note material exists for this structure: N596 Survey number: HAER PA-521 Building/str... More
Broad River Bridge, Spanning Broad River at U.S. Highway 29, Gaffney, ...
Significance: The completion of this 1,035' span was the last section of a larger project to improve U.S. Highway 29 across South Carolina. The structure is unusual because of its skewed through truss spans. ... More
Smith River Bridge, CA State Highway 199 Spanning Smith River, Crescen...
Significance: The Smith River Bridge was a rare California example of the cantilever highway truss bridge, a bridge type that enjoyed brief popularity during the decade spanning the late 1920s to the late 1930s... More
Smith River Bridge, CA State Highway 199 Spanning Smith River, Crescen...
Significance: The Smith River Bridge was a rare California example of the cantilever highway truss bridge, a bridge type that enjoyed brief popularity during the decade spanning the late 1920s to the late 1930s... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Fuel & Utilities Plant, Along Monongahela R...
See also HAER PA-115 for additional documentation. Includes written data (pages 239 through 248). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More
U.S. Steel Duquesne Works, Fuel & Utilities Plant, Along Monongahela R...
See also HAER PA-115 for additional documentation. Includes written data (pages 239 through 248). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More
U.S. Steel Duquesne Works, Fuel & Utilities Plant, Along Monongahela R...
See also HAER PA-115 for additional documentation. Includes written data (pages 239 through 248). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More
U.S. Steel Duquesne Works, Fuel & Utilities Plant, Along Monongahela R...
See also HAER PA-115 for additional documentation. Includes written data (pages 239 through 248). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More
The labor troubles at Homestead, Pennsylvania - Attack of the strikers...
Illus. in: Frank Leslie's illustrated weekly, July 14, 1892, p. 41 (title page).
Carnegie Steel Company, "Lucy" furnace, Pittsburgh, Pennsylvania
Title from jacket. "G 6064" on negative. Detroit Publishing Co. no. 039100. Gift; State Historical Society of Colorado; 1949.
U.S. Steel Duquesne Works, West bank of Monongahela River along State ...
Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integrated steel producing ventures in the Monongahela Valley of western Pennsylvania. Constructed af... More
Pennsylvania Railroad, Pickering Creek Trestle, Spanning Pickering Cre...
Significance: The trestle is significant as a high trestle with both horizontal and vertical curvature. Unprocessed Field note material exists for this structure: N596 Survey number: HAER PA-521 Building/str... More
Pennsylvania Railroad, Pickering Creek Trestle, Spanning Pickering Cre...
Significance: The trestle is significant as a high trestle with both horizontal and vertical curvature. Unprocessed Field note material exists for this structure: N596 Survey number: HAER PA-521 Building/str... More
Broad River Bridge, Spanning Broad River at U.S. Highway 29, Gaffney, ...
Significance: The completion of this 1,035' span was the last section of a larger project to improve U.S. Highway 29 across South Carolina. The structure is unusual because of its skewed through truss spans. ... More
Broad River Bridge, Spanning Broad River at U.S. Highway 29, Gaffney, ...
Significance: The completion of this 1,035' span was the last section of a larger project to improve U.S. Highway 29 across South Carolina. The structure is unusual because of its skewed through truss spans. ... More
Smith River Bridge, CA State Highway 199 Spanning Smith River, Crescen...
Significance: The Smith River Bridge was a rare California example of the cantilever highway truss bridge, a bridge type that enjoyed brief popularity during the decade spanning the late 1920s to the late 1930s... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More
U.S. Steel Duquesne Works, Blast Furnace Plant, Along Monongahela Rive...
See also HAER PA-115 for additional documentation. Includes written data (pages 55 through 158). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integ... More