Mark Jefferson (front row center) with former students at the annual meeting of the Association of American Geographers(AAG) In Ypsilanti 1931.
Front row left to right: I. Bowman, C. Colby, M. Jefferson, A. Parkins, G. Miller.
Back row: W. Gregory, Darrell Davis, R. Platt, C. Caulkins.
(Courtesy of Eastern Michigan University Archives)