Aerial survey project no. 77S-23 was flown on April 22, 1977. These photos are a verbal scale of 1"=250'. The flight lines provide coverage for highway 16 and bridge 4454 over the Blue Earth River 0.7 miles east of Blue Earth.
Aerial survey project no. 77S-23 was flown on April 22, 1977. These photos are a verbal scale of 1"=250'. The flight lines provide coverage for highway 16 and bridge 4454 over the Blue Earth River 0.7 miles east of Blue Earth.
