POSTER airmail plane at Reno Nevada c 1920 Object number A 2009 33 Medium paper photo emulsion Airmail employees transferring airmail bags from one de Havilland DH 4B aircraft to another at Reno Nevada airmail field September 8 1920 Post Office Department completed western leg nation's transcontinental flyway Mail was flown through Reno its way between San Francisco California New York City New York 1921 Transcontinental Air Mai