Plum

Plum, borough (1990 pop. 25,609), Allegheny co., SW Pa. on the Allegheny River, in a bituminous coal area; founded 1788, inc. 1956. It is a residential suburb of Pittsburgh. Apples and nursery stock are grown and there is dairying.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: U.S. Political Geography