The bluff was discovered by the British Australian New Zealand Antarctic Research Expedition, 1929-31, under Mawson.

The Masson Range was discovered and named by the British Australian New Zealand Antarctic Research Expedition, 1929-31, under Douglas Mawson.

The three major ranges and other lesser features were sighted and named in February 1931 by the British Australian New Zealand Antarctic Research Expedition under Douglas Mawson.

On February 13, 1931, the British Australian New Zealand Antarctic Research Expedition (1929-31) under Douglas Mawson made a landing on nearby Scullin Monolith.

It was discovered in January 1930 by the British Australian New Zealand Antarctic Research Expedition under Mawson, who named it for Rt.

It was discovered on 12 January 1930 by the British Australian New Zealand Antarctic Research Expedition (BANZARE) under Mawson.

It was discovered and named in February 1931 by the British Australian New Zealand Antarctic Research Expedition under Mawson.

It was more accurately charted and first named on a geological sketch map illustrating the 1929 work of the British Australian New Zealand Antarctic Research Expedition under Douglas Mawson.

It was discovered in February 1931 by the British Australian New Zealand Antarctic Research Expedition under Mawson, who named it for Reverend James Gordon Hayes.

Discovered in February 1931 by the British Australian New Zealand Antarctic Research Expedition (BANZARE) under Mawson.