The Greater Mankato Area Air Photo Collection includes digitized large-scale air photos from 1959 and 1967.
To explore individual digitized air photos, use this Digital Map Library GIS Tool developed by graduate student Ira Raber.
These air photos are located at Minnesota State University, Mankato, Department of Geography and are usable under a Creative Commons-Attribution-Non-Commercial license (http://creativecommons.org/licenses/by-nc/4.0).