This historical map portrays the area of Turtle Lake in 1947, primarily covering McLean County. Featuring a scale of 1:62500, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Turtle Lake region at the time. Published in 1947, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.