Duquesne Steel Works
Plant here began in 1886. Acquired by Andrew Carnegie, 1890; by U.S. Steel, 1901. Workers here implemented advances in rolling mill & blast furnace processes before 1914; in pollution control, 1953. At peak of operations they manned six blast furnaces. Plant was in service until 1984.
David Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford Libraries
Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov
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