Harlin Glacier. Mapped by USGS from surveys and U.S. Navy air photos, 1960-63. A descriptive name applied by US-ACAN because of the appearance of the feature, resembling that of a ship at sea. Mount Simmonds – A mountain standing higher and next westward of Mount Theaker along the north side of Robilliard Glacier. Surveyed in 1962-63 by USGS and in 1963-64 by New Zealand Geological Survey Antarctic Expedition (NZGSAE). Named by New Zealand Antarctic Place-Names Committee (NZ-APC) for G.A.E. Simmonds, New Zealand cartographer engaged in preparing final drawings of Antarctic maps, 1961-67. Mount Theaker – A mountain along the north wall of Robilliard Glacier, 3 mi NE of Mount Simmonds. Mapped by USGS from surveys and U.S. Navy aerial photographs, 1960-62. Named by US-ACAN for Paul R. Theaker, USARP biologist at McMurdo Station, 1967-68. Additional mountains include Welcome Mountain, Mount Van der Hoeven, Mount Weihaupt, Mount Stuart, Mount Lorius, Smith Bench, Mount Roberts, Daniels Range, and Morozumi Range. List of geological features Armstrong Platform A mainly ice-covered height, or small plateau, which is a northeastward extension of Pomerantz Tableland. The feature is 5 mi long and ranges from 1,200 to 1,800 m in elevation and rises directly north of Helfferich Glacier. Mapped by USGS from surveys and U.S. Navy aerial photographs, 1960-62. Named by US-ACAN for Richard L. Armstrong, USARP geologist at McMurdo Station, 1967-68. Helfferich Glacier A glacier about 8 mi long which drains the east slopes of Pomerantz Tableland southward of Armstrong Platform. Mapped by USGS from surveys and U.S. Navy air photos, 1960-62. Named by US-ACAN for Merritt R. Helfferich, USARP worker in the field of ionospheric physics at South Pole Station, 1967-68. Pomerantz Tableland A high (2,290 m) ice-covered tableland about 10 mi long, standing 15 mi NW of Daniels Range. Mapped by USGS from surveys and U.S. Navy air photos, 1960-62. Named by US-ACAN for Martin A. Pomerantz, Director of the Barthol Research Foundation and Chairman of the U.S. Committee for the International Year of the Quiet Sun, who carried on cosmic ray studies in the McMurdo Sound area, 1959–60 and 1960-61.MacPherson Peak is on the northwest end of Pomerantz Tableland. Robilliard Glacier A valley glacier, 17 mi long, which flows northeastward through the mountain range. It rises southward of Mount Simmonds and emerges from the mountains at Mount Shields, where it joins Kooperatsiya Ice Piedmont. Mapped by USGS from surveys and U.S. Navy air