Aerial survey project no. 70S-14 was flown on April 16, 1970. These photos are a verbal scale of 1"=250'. The flight line provides coverage for highway 169 from Blue Earth to 4 miles north of Blue Earth.
Aerial survey project no. 70S-14 was flown on April 16, 1970. These photos are a verbal scale of 1"=250'. The flight line provides coverage for highway 169 from Blue Earth to 4 miles north of Blue Earth.