Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Westmoreland County, PA
Summary
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 integrated steel making facility with its own coke operations, open hearth furnaces, blast furnaces, blooming and billet mills and, most recently, continuous bloom caster. The firm has been a major manufacturer of seamless tubing.
Unprocessed Field note material exists for this structure: N259
Survey number: HAER PA-253
Building/structure dates: 1902 Initial Construction
Building/structure dates: 1917- 1918 Subsequent Work
Building/structure dates: 1942 Subsequent Work
Building/structure dates: 1981 Subsequent Work
Building/structure dates: 1907 Subsequent Work
Building/structure dates: 1913 Subsequent Work
Building/structure dates: 1936-1937 Subsequent Work
Building/structure dates: 1950-1955 Subsequent Work
Building/structure dates: 1956 Subsequent Work
Building/structure dates: 1958-1959 Subsequent Work
Building/structure dates: 1966 Subsequent Work
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