Tollefson Nunatak () is a
nunatak
A nunatak (from Inuit ''nunataq'') is the summit or ridge of a mountain that protrudes from an ice field or glacier that otherwise covers most of the mountain or ridge. They are also called glacial islands. Examples are natural pyramidal peaks. ...
lying 5 nautical miles (9 km) west of
Olander Nunatak, being one of several scattered and somewhat isolated nunataks located 40 nautical miles (70 km) north of the
Merrick Mountains
The Merrick Mountains () are a cluster of mountains, 13 km (8 mi) long, standing 11 km (7 mi) northeast of the Behrendt Mountains in Ellsworth Land, Antarctica. Discovered and photographed from the air by the Ronne Antarctic ...
, in
Palmer Land
Palmer Land () is the portion of the Antarctic Peninsula, Antarctica that lies south of a line joining Cape Jeremy and Cape Agassiz. This application of Palmer Land is consistent with the 1964 agreement between the Advisory Committee on Antarctic N ...
. Mapped by
United States Geological Survey
The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, ...
(USGS) from surveys and
U.S. Navy
The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage of ...
air photos, 1961–67. Named by
Advisory Committee on Antarctic Names
The Advisory Committee on Antarctic Names (ACAN or US-ACAN) is an advisory committee of the United States Board on Geographic Names responsible for recommending commemorative names for features in Antarctica.
History
The committee was established ...
(US-ACAN) for
T.W. Tollefson, construction electrician at
Eights Station
Eights Station was an Antarctic permanent exploration base from January 1963 to November 1965, located on Ellsworth Land
Ellsworth Land is a portion of the Antarctic continent bounded on the west by Marie Byrd Land, on the north by Bellingshau ...
in 1963.
Nunataks of Palmer Land
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