Authorized map of the Second Byrd Antarctic Expedition (2)

Coloured pictorial map of Antarctica celebrating the groundbreaking radio broadcasts to and from the second Byrd Antarctic Expedition. This expedition took place between 1933 and 1935, and followed an earlier expedition from 1928 to 1930. It was led by the US polar explorer and naval officer Richard Evelyn Byrd (1888-1957, depicted at upper right as the head in the cartouche). The Byrd expeditions laid the foundations for Operation Highjump, during World War II, and the later Operation Deep Freeze that established permanent bases in Antarctica in the 1950s. The inset at upper left shows the routes taken from the USA and New Zealand. The inset at lower right shows the Bay of Whales and the Ross Ice Shelf. The main map shows named physical features (mostly along the coast and in the Ross Sea) and indicates areas unexplored.
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