The Thomas Hills () are a linear group of hills, long, between

Foundation Ice Stream Foundation Ice Stream is a major ice stream in Antarctica's Pensacola Mountains. The ice stream drains northward for along the west side of the Patuxent Range and the Neptune Range to enter the Ronne Ice Shelf westward of Dufek Massif. The Unit ...

and MacNamara Glacier at the north end of the Patuxent Range in the

Pensacola Mountains The Pensacola Mountains are a large group of mountain ranges of the Transantarctic Mountains System, located in the Queen Elizabeth Land region of Antarctica. Geography They extend 450 km (280 mi) in a NE-SW direction. Subranges of the ...

, Antarctica.

Exploration and name

The Thomas Hills were mapped by the

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 from

United States 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 ...

air photos, 1956–66. They were named by the United States

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) at the suggestion of Captain

Finn Ronne Finn Ronne (December 20, 1899 – January 12, 1980) was a Norwegian-born U.S. citizen and Antarctic explorer. Background Finn Ronne was born in Horten, in Vestfold county, Norway. His father, Martin Rønne (1861–1932), was a polar explorer w ...

United States Navy Reserve The United States Navy Reserve (USNR), known as the United States Naval Reserve from 1915 to 2005, is the Reserve Component (RC) of the United States Navy. Members of the Navy Reserve, called Reservists, are categorized as being in either the Sele ...

, leader at Ellsworth Station, 1957.

Charles S. Thomas Charles Spalding Thomas (December 6, 1849June 24, 1934) was a United States senator from Colorado. Born in Darien, Georgia, he attended private schools in Georgia and Connecticut, and served briefly in the Confederate Army. Biography Thomas gra ...

was

United States Secretary of the Navy The secretary of the Navy (or SECNAV) is a statutory officer () and the head (chief executive officer) of the United States Department of the Navy, Department of the Navy, a military department (component organization) within the United States D ...

, 1954–57, during the first few years of United States Navy

Operation Deep Freeze Operation Deep Freeze (OpDFrz or ODF) is codename for a series of United States missions to Antarctica, beginning with "Operation Deep Freeze I" in 1955–56, followed by "Operation Deep Freeze II", "Operation Deep Freeze III", and so on. (There w ...

Location

The Thomas Hills run in a northeast direction between the

and the MacNamara Glacier. They parallel the Anderson Hills on the south side of the MacNamara Glacier. Features, from west to east, include Mount Yarbrough, Nance Ridge, Martin Peak and Mount Warnke.

Features

Mount Yarbrough

. A ridge-like mountain, high, standing southwest of Nance Ridge. Named by US-ACAN for Leonard S. Yarbrough, industrial engineer at Plateau Station, 1965-66.

Nance Ridge

. A rock ridge northeast of Mount Yarbrough. Named by US-ACAN for Vernon L. Nance, radioman at Palmer Station, winter 1966.

Martin Peak

. A peak, high, standing northeast of Nance Ridge. Named by US-ACAN for Christopher Martin, biologist at Palmer Station, 1966-67.

Mount Warnke

. A mountain, high, standing northeast of Martin Peak. Named by US-ACAN for Detlef A. Warnke, biologist at Palmer Station, 1966-67.

References

Sources

* * * {{Authority control Hills of Queen Elizabeth Land Pensacola Mountains