The land containing this historic entrance was first surveyed and registered in 1798 under the name of Valentine Simons.

It was first surveyed in 1936 by the British Graham Land Expedition under Rymill.

First seen and roughly surveyed in 1909 by the French Antarctic Expedition under Charcot.

New Westminster was surveyed by the Royal Engineers under government direction.

It was first seen from a distance and roughly surveyed by the French Antarctic Expedition, 1908-10, under Charcot.

Discovered and first surveyed in 1909 by the French Antarctic Expedition under Charcot.

First roughly surveyed in 1936 by the BGE under Rymill.

The topic is also surveyed under Irish mythology, Mythological cycle.

It was surveyed under the name of Sylvania on July 9, 1869.

These are taxa that have been adequately surveyed, and are rare but not known to be under threat.