Aerial survey project no. 68S-40 was flown on March 29, 1968. These photos are a verbal scale of 1"=500'. The flight line follows a north-south direction and provides coverage for highway 15 from the northern Sibley County line to Winthrop.
Aerial survey project no. 68S-40 was flown on March 29, 1968. These photos are a verbal scale of 1"=500'. The flight line follows a north-south direction and provides coverage for highway 15 from the northern Sibley County line to Winthrop.