Added aerial photo coverage for all of Yankton County South Dakota a total area of 532 square miles in the year 1956. View of Yankton College Historic District located in Yankton South Dakota in 1956.
Added aerial photo coverage for all of Yankton County South Dakota a total area of 532 square miles in the year 1956. View of Yankton College Historic District located in Yankton South Dakota in 1956.