The empty desert stretches out beyond the 40-acre University of Arizona campus in 1922. The buildings identified are (1) Engineering College, built in 1919; (2) Old Main, built in 1891; and (3) Cochise Hall, a dormitory built in 1922. Today the campus has expanded to 180 acres from Park Avenue area to Campbell Avenue. Speedway cuts diagonally across the pictures. The intersection of Speedway and Campbell is marked.