U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph of industrial workers, factory building, work, assembly line, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph of industrial workers, factory building, work, assembly line, free to use, no copyright restrictions image - Picryl description
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...
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, Skelp Mill Building, Along Monongahela...
Survey number: HAER PA-380-B Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Skelp Mill Building, Along Monongahela...
Survey number: HAER PA-380-B Building/structure dates: 1906 Public domain photograph of manufacturing workers, factory building, assembly line, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Skelp Mill Building, Along Monongahela...
Survey number: HAER PA-380-B Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 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...
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...
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, Skelp Mill Building, Along Monongahela...
Survey number: HAER PA-380-B Building/structure dates: 1906 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...
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...
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, Skelp Mill Building, Along Monongahela...
Survey number: HAER PA-380-B Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph of manufacturing workers, factory building, assembly line, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph of manufacturing workers, factory building, assembly line, free to use, no copyright restrictions image - Picryl description
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, Central Boiler House, Along Monongahel...
Survey number: HAER PA-380-D Building/structure dates: 1950 Initial Construction
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 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...
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...
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, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 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...
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...
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, Open Hearth Steelmaking Plant, Along M...
Survey number: HAER PA-380-C Building/structure dates: 1930 Building/structure dates: 1963 Building/structure dates: 1984 Demolished
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph of manufacturing workers, factory building, assembly line, free to use, no copyright restrictions image - Picryl description
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...
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...
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, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph of manufacturing workers, factory building, assembly line, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph of manufacturing workers, factory building, assembly line, free to use, no copyright restrictions image - Picryl description
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...
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...
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...
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, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 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...
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, Skelp Mill Building, Along Monongahela...
Survey number: HAER PA-380-B Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Skelp Mill Building, Along Monongahela...
Survey number: HAER PA-380-B Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph of manufacturing workers, factory building, assembly line, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 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...
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...
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...
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...
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, Skelp Mill Building, Along Monongahela...
Survey number: HAER PA-380-B Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Central Boiler House, Along Monongahel...
Survey number: HAER PA-380-D Building/structure dates: 1950 Initial Construction
U.S. Steel National Tube Works, Open Hearth Steelmaking Plant, Along M...
Survey number: HAER PA-380-C Building/structure dates: 1930 Building/structure dates: 1963 Building/structure dates: 1984 Demolished
U.S. Steel National Tube Works, Skelp Mill Building, Along Monongahela...
Survey number: HAER PA-380-B Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph of manufacturing workers, factory building, assembly line, free to use, no copyright restrictions image - Picryl description
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, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 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...
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, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...
Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description