Historical Marker
A Quincy "Copperhead"
Historical marker location:
440 Maine Street, Quincy, Illinois
( Marker is at the intersection of Maine Street and 5th Street, on the right when traveling east on Maine Street.)
Marker installed: 2010
Looking for Lincoln.
The Illinois State Police, founded in 1922, is one of the oldest state police agencies in the United States. The agency is responsible for enforcing state laws, protecting state property, and providing security for the governor and other state officials.