Relief shown by contours, tints, and spot heights.
Includes ancillary map of Milwaukee. Scale 1:250,000.
Includes location map and gradient tints diagram.
Description based on: 38th ed. (May 4, 1989); title from panel.
Vols. for <1989-> consult appropriate issue of Notices to airmen, NOTAMs, and flight information publications for supplemental data and current information.