Denver. Airports. Stapleton international. Security division Plans to bolster Stapleton security underway, RMN Ap 20, 1972 p.28 Tighter security doesn't faze Most Passengers* P08t Ap 23, 1972 P.49 New security Procedures out-lined in order to discourage hijackers and extortionista* Post Ap 25, 1972 p.2 Airport security tightened, but still lax in spots. Post Je 25, 1972 p.4
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