COMPOSITE GAZETTEER OF ANTARCTICA

rising to 1545m, S side of Read Mountains, Shackleton Range, was photographed from the air by USN in 1967 and surveyed from the ground by BAS from Halley, 1968-71; in association with the names of eminent geologists in this area, named after Sir Henry Thomas de la Beche (1796-1855), first Director-General, Geological Survey of Great Britain (now Institute of Geological Sciences), 1835-55, and founder of the Museum of Practical Geology (now Geological Museum), London (APC, 1974, p.3; BAS 250P sheet SU 26-30/1, 1-DOS 1978).

A sharp-crested ridge rising to 1,600 m between Murchison Cirque and Arkell Cirque on the S side of Read Mountains, Shackleton Range. Photographed from the air by the U.S. Navy, 1967, and surveyed by BAS, 1968-71. In association with the names of geologists grouped in this area, named in 1971 by the UK-APC after Sir Henry Thomas de la Beche (1796-1855), English geologist, first Director-General, Geological Survey of Great Britain (later Institute of Geological Sciences), 1835-55.

An ice-covered island about 28 km long and 4-6 km wide, with numerous outcrops exposed along its flanks, extending NNW-SSE, on the eastern side of the Amery Ice Shelf. Delineated from air photographs taken by U S N Operation Highjump (1946-47). Named after Lieut. R.A. Gillock, U S N, navigator on USN Operation Highjump flights in the vicinity.