Sudoc Stem: C 31.230/2 - Blacklight Search Results

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1. Recurrent report of mileage and traffic data. Domestic trunklines, quarters [comparisons].

Corporate/Agency Authors:: Civil Aeronautics Board and Commerce Dept.
Publisher:: Civil Aeronautics Board
Date:: [1953.]
SuDoc number:: C 31.230/2:(date)

2. Recurrent report of mileage and traffic data. Domestic air mail trunk carriers arranged according to traffic volume, quarters [comparisons].

Corporate/Agency Authors:: Civil Aeronautics Board and Commerce Dept.
Publisher:: Civil Aeronautics Board
Date:: [1952-53.]
SuDoc number:: C 31.230/2:(date)