Recherche dans la collection - North Atlantic Ocean with adjacent countries / compiled, drawn and printed at the Office of the Surveyor General, Ottawa. [Ottawa, Ont.]: Dept. of the Interior, 1932. [cartographic material]

"This map has been designed to facilitate the study of aerial routes between Canada and Europe." Includes table of scale errors along different parallels of latitude. Shows Imperial Conference trans-Atlantic air and water route; British air routes; canadian air routes temporarily suspended and those surveyed; U.S. air routes operating and those temporarily suspended; European air routes operating; proposed trans-Atlantic air routes. Prepared for the use of Imperial Economic Conference, 1932 in conjunction with the document Inter-imperial communications. Ottawa, Ont.: F.A. Acland, 1932.

Scale 1:9,504,000

The microfiche version is NMC24869