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Shackleton Ice Shelf
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==Discovery and naming== The existence of this ice shelf was first made known by the [[United States Exploring Expedition, 1838-1842|USEE]] under [[Charles Wilkes]] who mapped a portion of it from the ''[[USS Vincennes (1826)|Vincennes]]'' in February 1840. It was explored by the [[Australian Antarctic Expedition]] under [[Douglas Mawson]] (1911β14) who named it for Sir [[Ernest Shackleton]]. The extent of the ice shelf was mapped in greater detail in 1955, using aerial photography obtained by US Navy [[Operation Highjump]], 1946β47. Further mapping by the Soviet Expedition of 1956 showed the portion eastward of [[Scott Glacier (East Antarctica)|Scott Glacier]] to be a part of this ice shelf.
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