Aerial survey project no. 68F-17 was flown on November 24, 1968. These photos are a verbal scale of 1"=500'. The flight lines provide coverage for highway 60 from Worthington to the Iowa State line.
Aerial survey project no. 68F-17 was flown on November 24, 1968. These photos are a verbal scale of 1"=500'. The flight lines provide coverage for highway 60 from Worthington to the Iowa State line.
