Supplementary memorandum on air freight operations and the railroads ...
Published: 1940
Place of publication: Chicago
Language: eng
Number of pages: 12
Subjects: Transport planes; Railroads; Freight
Notes: Cover-title.

Supplement to A brief study and a plan for the participation of the American railroads in air freight operations in the United States, by Lester N. Selig and others. [1940]