Aerial survey project no. 75S-20 was flown on May 4 and 12, 1975. These photos are a verbal scale of 1"=800'. The flight lines provide coverage for highway I-90 from 3 miles west of Blue Earth to the junction with highway 22.
Aerial survey project no. 75S-20 was flown on May 4 and 12, 1975. These photos are a verbal scale of 1"=800'. The flight lines provide coverage for highway I-90 from 3 miles west of Blue Earth to the junction with highway 22.
