Collinsville, city (1990 pop. 22,446), Madison co., SW Ill.; settled 1817, inc. 1872. Once a coal-mining center, the city now has food-products and clothing industries. Nearby are the Cahokia Mounds, the Native American earthworks.

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

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


Play Hangman

Play Poptropica

Play Same Game

Try Our Math Flashcards