It was first roughly plotted from air photos by the Third German Antarctic Expedition between 1938 and 1939.

Plotted from air photos by the German Antarctic Expedition (1938-39).

All of these geographic features were plotted from surveys and air photos by the Sixth Norwegian Antarctic Expedition (1956-60).

It was first plotted from air photos by the Third German Antarctic Expedition, 1938-39.

Plotted from air photos taken from ANARE aircraft in 1956.

Plotted from air photos taken by ANARE in 1956 and 1957.

Discovered and first plotted from air photos by the German Antarctic Expedition, 1938-39.

It was first plotted from air photos taken by the Lars Christensen Expedition, 1936-37.

First plotted from air photos by German Antarctic Expedition, 1938-39.

First plotted from air photos taken by the Lars Christensen Expedition, 1936-37.