Los Angeles Airways, Helicopter System1961-01-01unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_038_14_0000_4_147This map showcases the Los Angeles Airways' Helicopter System, highlighting the airline routes. On the reverse side, there's an image of the Los Angeles Airways' Copterliner, specifically the Sikorsky Model S-61. This map was originally connected to Items 146 and 148. It is a topographic map measuring 8 1/2 by 11 inches.