It was first roughly mapped by the British Antarctic Expedition, 1907-09.

It was first seen from the air and roughly mapped by the United States Antarctic Service, 1939-41.

It was first seen and roughly mapped by the Byrd Antarctic Expedition, 1928-30.

It was roughly mapped by Discovery Investigations personnel in 1960-61.

The peak was roughly mapped by the British in 1968 and the Spanish in 1991.

The feature is roughly mapped on the 1874 chart by the Challenger expedition.

First photographed from the air and roughly mapped by the German Antarctic Expedition, 1938-39.

First seen and roughly mapped by the Byrd Antarctic Expedition, 1928-30.

The northern portion of Wilkins Sound was first seen and roughly mapped in 1910 on the expedition.

The point was roughly mapped by the Belgian Antarctic Expedition, 1897-99.