View northeast over Pacific Electric Railroad. Ross Field Balloon School occupies portion on right side of photo over to the railroad tracks. The street marking its northern boundary would be Huntington Drive. The large rectangle just north of this street was Rancho Resevoir, converted into a swimming pool. The principal street marking east boundary of Balloon School property running north to south across this photo about at middle, is Santa Anita Avenue.
Writer Charles Cooper continues his series of articles called "Memories of Arcadia" with a history and description of the U.S. Army Balloon School that was at Camp Ross (or Ross Field) in Arcadia during World War I. The balloon school was located on the current site of Arcadia County Park.