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U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... 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, 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, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... 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, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... 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, 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, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... 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, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... 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, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... 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, 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, 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, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... 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, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... 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, 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, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... 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, 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, 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, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... 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, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... 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, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... More

U.S. Steel Duquesne Works, Basic Oxygen Steelmaking Plant, Along Monon...

See also HAER PA-115 for additional documentation. Includes written data (pages 190 through 210). Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward inte... 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

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