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This diagram shows how the pilots of the 'Untin' Bowler, a Sikorsky amphibion airplane owned by the Chicago Tribune, plan to avoid the dangerous, foggy, mountainous region of Greenland while flying there.
9 x 15.4 cm
- still image
- These materials are either in the public domain, according to U.S. copyright law, or permission has been obtained from rights owners. The digital version and supplementary materials are available for all educational uses worldwide.
- The Janet A. Ginsburg Chicago Tribune Image Collection
- Chicago Sunday Tribune (June 30, 1929), p. 4
- Chicago Tribune (Firm)