Butler, city (1990 pop. 15,714), seat of Butler co., W Pa. inc. as a borough 1817, as a city 1917. It is located in an area with coal, natural gas, oil, and limestone resources. Glass and plastic products, machinery, and abrasives are made. Moraine State Park is there.

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

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

Browse By Subject

Play Poptropica Worlds

Download Poptropica and play for free!

Explore a limitless universe of uncharted islands
App store
Google Play