A narrow, ice-covered island 16 nautical miles (30 km; 18 mi) long, lying in Block Bay.

Discovered on December 5, 1929, by the ByrdAE and named by Byrd for Bernt Balchen, chief pilot of the expedition.

Named by US-ACAN for Edward R. Weikman Jr., CMH2, United States Navy, Construction Mechanic at Byrd Station, 1967.

A group of rock exposures on the south side of Balchen Glacier between O'Connor Nunataks and Mount Perkins.

Discovered by the USAS in aerial flights over this area in 1940, and named for Clyde W. Griffith, machinist and tractor operator of this expedition.

A group of rock exposures rising above the ice near the head of Balchen Glacier, 5 nautical miles (9.3 km; 5.8 mi) northeast of Griffith Nunataks.

The glacier was photographed by the USAS (1939–41), led by Admiral Byrd, and was mapped by the USGS from surveys and United States Navy air photos (1959–65).

Discovered by the ByrdAE in 1929, and named for Adolph S. Ochs, publisher of the New York Times, a patron of the expedition.