Platypus Ridge
Encyclopedia
Platypus Ridge is a large ice-covered ridge bordering the west side of the mouth of Lillie Glacier
Lillie Glacier
Lillie Glacier is a large glacier, about 160 km long and 16 km wide, between Bowers Mountains on the west and Concord and Anare Mountains on the east, flowing to Ob' Bay on the coast and forming the Lillie Glacier Tongue. The glacier tongue was discovered by the British Antarctic Expedition,...

. It extends northeast from Bowers Mountains
Bowers Mountains
Bowers Mountains is a group of north-south trending mountains in Antarctica, about 145 km long and 56 km wide, bounded by the coast on the north and by the Rennick, Canham, Black and Lillie glaciers in other quadrants. The seaward end was first sighted in February 1911 from the Terra...

 to the head of Ob' Bay. Its position was fixed by S.L. Kirkby, surveyor
Surveying
See Also: Public Land Survey SystemSurveying or land surveying is the technique, profession, and science of accurately determining the terrestrial or three-dimensional position of points and the distances and angles between them...

 with ANARE (Australian National Antarctic Research Expeditions
Australian National Antarctic Research Expeditions
The Australian National Antarctic Research Expeditions is the historical name for the Australian Antarctic Program administered for Australia by the Australian Antarctic Division .-The ANARE Name:...

) (Thala Dan
Thala Dan
MV Thala Dan was one of a fleet of icebreaking cargo-passenger ships operated by the Danish J. Lauritzen A/S Lines, and chartered to, inter alia, ANARE...

) in February 1962. Named by ANARE after this monotreme mammal, native only to Australia.
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