1991 Map of O'Fallon

This historical map portrays the area of O'Fallon in 1991, primarily covering St. Clair County. Featuring a scale of 1:24000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the O'Fallon region at the time. Published in 1991, it is one of 2 known editions of this map due to revisions or reprints.