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First published online July, 1979

Airport Activity Statistics of Certificated Route Air Carriers,12 Months Ended December 31,1977. Federal Aviation Administration,Office of Management Systems,800 Independence Avenue,S.W.,Washington,D.C. 20591 and Financial & Traffic Data Section,Civil Aeronautics Board,1825 Connecticut Avenue,N.W.,Washington,D.C. 20428. December 31,1977. 309p