Circular seal for Joliet, Illinois, featuring a map of Illinois with a star, icons of a cityscape, wind turbines, riverboat, lyre, and torch, and highway signs for I-55 and I-80. Text: Crossroads of Mid-America.

Circular seal for Joliet, Illinois, featuring a map of Illinois with a star, icons of a cityscape, wind turbines, riverboat, lyre, and torch, and highway signs for I-55 and I-80. Text: Crossroads of Mid-America.