FAA Chart: VFR Sectional CINCINNATI SCIN (Current Edition)
FAA Chart: VFR Sectional DETROIT SDET (Current Edition)
FAA Chart: VFR Sectional ST LOUIS SSTL (Current Edition)
FAA Chart: VFR Sectional CHICAGO SCHI (Current Edition)
Aeronautical Chart User's Guide (FAA Handbooks series)