Lambert Glacier

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An icefall feeding into the Lambert Glacier, Antarctica.

Lambert Glacier ( 71°0′S, 70°0′E) is a major glacier in Antarctica. At about 25 miles (80km) wide, over 120 miles (400 km) long, and about 2,500 metres deep, it hold the Guinness world record for the world's biggest glacier. It drains a large area to the east and south of the Prince Charles Mountains and flows northward to the Amery Ice Shelf. This glacier was delineated and named in 1952 by American geographer John H. Roscoe who made a detailed study of this area from aerial photographs taken by USN Operation Highjump, 1946-47. He gave the name "Baker Three Glacier", using the code name of the Navy photographic aircraft and crew that made three flights in this coastal area in March 1947 resulting in geographic discoveries. The glacier was described in Gazetteer No. 14, Geographic Names of Antarctica (U.S. Board on Geographic Names, 1956), but the feature did not immediately appear on published maps. As a result the name Lambert Glacier, applied by ANCA in 1957 following mapping of the area by ANARE (Australian National Antarctic Research Expeditions) in 1956, has become established for this feature. Named for Bruce P. Lambert, Director of National Mapping in the Australian Department of National Development. It is also part of Lambert Grabens.