This 1947 map helps explain the 3-pronged approach to exploring the South Pole led by Admiral Cruzen.

 

Capt. Richard H. Cruzen, USN, commander of Task Force Sixty Eight, the task force which made the U.S. Navy’s 1947 Antarctic Expedition. The native of Gallatin, MO, later achieved the rank of Admiral. [Official USN photography, filed June 25, 1946; #702828]