Portrait of America's Number One Opportunity Market Served by Los Angeles Airways, Helicopter System1961-01-01unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_038_14_0000_4_146This map showcases the Los Angeles Airways' Helicopter System, originally linked to Items 147 and 148. It is a topographic airline map measuring 17 by 21 7/8 inches and is inscribed with Av. Gen., Los Angeles Airways.