Decatur and Macon County : streetmap & resource guide : [Illinois] / CommunityLink, a publishing service of Craig Williams Creative, Inc. ; cartography by Jim Balsitis and staff
Scale approximately 1:39,000 (W 89°05ʹ40ʺ--W 88°48ʹ11ʺ/N 39°56ʹ32ʺ--N 39°45ʹ25ʺ). Scale approximately 1:113,000 (W 89°13ʹ09ʺ--W 88°44ʹ43ʺ/N 40°03ʹ21ʺ--N 39°39ʹ09ʺ).