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Federal
Unified Sea Ice Thickness Climate Data Record, 1947 Onward, Version 1
National Aeronautics and Space Administration —
The Unified Sea Ice Thickness Climate Data Record, 1947 Onward is the result of a concerted effort to collect as many observations as possible of Arctic and Antarctic... -
Federal
International Geophysical Year, 1957-1958: Drifting Station Alpha Documentary Film, Version 1
National Aeronautics and Space Administration —
This film documents the activities that occurred on Drifting Station Alpha in the Arctic Ocean during the International Geophysical Year, 1957 to 1958. The film is...