West Mifflin(redirected from West Mifflin, Pennsylvania)
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West Mifflin,borough (1990 pop. 23,644), Allegheny co., SW Pa., a suburb SE of PittsburghPittsburgh
, city (1990 pop. 369,879), seat of Allegheny co., SW Pa., at the confluence of the Allegheny and the Monongahela rivers, which there form the Ohio River; inc. 1816. A major inland port of entry, it is located at the junction of east-west transportation arteries.
..... Click the link for more information. , on the Monongahela River. Transportation equipment, fabricated metal products, and asphalt are produced in West Mifflin.