[1] The Colwell Massif was named by the United States Advisory Committee on Antarctic Names (US-ACAN) in 1994 after Rita R. Colwell, marine microbiologist who has conducted field research in Antarctica; member of National Science Board (1983–90) who chaired Presidential committee on National Science Foundation roles in the polar regions; from 1991, President, Maryland Biotechnology Institute, University of Maryland.

Named by Advisory Committee on Antarctic Names (US-ACAN) (1994) after Ellen Stone Mosley-Thompson, glaciologist, Byrd Polar Research Center, Ohio State University, who from 1974 analyzed ice samples from Antarctica and conducted field research at South Pole, Siple Station, and Plateau Remote Camp.

Named by US-ACAN for Fiorenzo C. Ugolini, who studied Antarctic soil processes in the McMurdo Sound area in 1961-62 and 1962-63.

Named by US-ACAN in 1994 after Edwin D. Waddington, geophysicist, University of Washington; from 1990, field investigator at Taylor Dome in an extended program of glacier geophysical studies.

A conspicuous nunatak rising in Waddington Glacier, 1.5 nautical miles (2.8 km; 1.7 mi) south-southwest of Ugolini Peak.

Arcuate cliffs, 2,424 metres (7,953 ft) high, standing 1 nautical mile (1.9 km; 1.2 mi) south of Colwell Massif.

A distinctive pointed spire rising to 2,470 metres (8,100 ft) high, 3 nautical miles (5.6 km; 3.5 mi) south of Ugolini Peak.

A pointed, mostly ice-covered mountain, 2,450 metres (8,040 ft) high, located 4 nautical miles (7.4 km; 4.6 mi) south-southwest of Ugolini Peak.

[13] This article incorporates public domain material from websites or documents of the United States Geological Survey.