| November 1, 1982 |
Map generated by the
Great Circle Mapper -
copyright © Karl L. Swartz.
| American Central Airlines |
Cadillac
Manistee
Marshfield
Wisconsin Rapids
Sheboygan
| Chicago O'Hare |
| Beloit/ Janesville |
Dubuque
Clinton
Waterloo
| Minneapolis/ Saint Paul |
| Sioux City |
Omaha
Des Moines
Ottumwa