The highest peak of this small range is Mount Elkins, which was named after Terence James Elkins, ionospheric physicist with ANARE at Mawson Station in 1960.
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It is one of several plotted as a part of "Flatøy" ("flat island") by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936–37, but was found to be a separate island by the Australian National Antarctic Research Expeditions in 1954 and named for John Béchervaise, officer in charge at Mawson Station in 1955 and 1959.
Named by ANCA for Squadron Leader Douglas Leckie, RAAF, who commanded the Antarctic Flight at Mawson Station, 1956, and who piloted the Auster aircraft from which Phillip Law sighted and plotted these peaks.
The Williams Rocks were named by the ANCA for J. Williams, assistant diesel mechanic at Mawson Station in 1962, who assisted in a triangulation of the Williams Rocks and the erection of a beacon.