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Published online by Cambridge University Press: 27 October 2009
page 650 note 2 See the Polar Record, Vol. 5, No. 40, 1950, p. 619Google Scholar.
page 652 note 1 R4D and C-47 are respectively the U.S. Navy and U.S. Air Force designations of the Douglas DC-3. The weight of the aircraft is approximately 13½ tons.
page 652 note 2 Oceanographic data were also obtained in the Beaufort Sea in 1951 by a team of geophysicists sponsored by the U.S.Air Force. See below.