As the air age developed, a necessity of a new mapping approach became obvious, one which would show the new highways of aviation. While the map is rich with roads, towns, terrain, etc, it is for landmarks in relation to the bands of air that would be used for take off and landing into region air fields. Issued during the war years, these maps many times are noted as "Restricted" and will include "Danger Areas".
This chart spans from the rural Illinois towns of Petersburg and Morrison, east across southern Michigan and central Indiana to Lima OH.
Condition is very good. Image size is approximately 42.2.5 x 24.5 (inches)