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The configuration of the iceport is continuously changing. A survey by the Byrd expedition in 1934 determined that the feature lay at the junction of two separate ice systems, the movements of which are influenced by the presence of Roosevelt Island. Cdr. Glen Jacobsen, USN, who visited in the Atka in January 1955, found that calving of the ice shelf rendered the iceport temporarily unusable. The feature was so named by Ernest Shackleton in the Nimrod, January 24, 1908, because of the large number of whales seen in it.
Geography of Antarctica