The Tribune photo, dated July 8, 1957, has the folllowing caption on the back: "NATIONAL SCOUTING EVENT--Some 80 Oakland area Boy Scouts emplane at the Oakland International Airport for the National Boy Scout Jamboree at Valley forge, Pa. and side visits to other attractions in the East." Another notation on the back reads "80 Scouts of Mt. Diablo Council______" The scouts and their leaders are posed on the ground and on the steps leading to the airplane. Flight bags are on the ground at the feet of the front row.