Thomas Glacier

Location of Sentinel Range in Western Antarctica.

Central and southern Sentinel Range map.

Thomas Glacier (78°40′S 84°0′W / 78.667°S 84.000°W / -78.667; -84.000Coordinates: 78°40′S 84°0′W / 78.667°S 84.000°W / -78.667; -84.000) is a roughly Z-shaped glacier which drains the southeast slopes of Vinson Massif and flows for 17 nautical miles (31 km) through the south part of the Sentinel Range, Ellsworth Mountains, leaving the range between Doyran and Petvar Heights south of Johnson Spur.

The glacier was discovered by U.S. Navy Squadron VX-6 on photographic flights of December 14–15, 1959, and mapped by United States Geological Survey (USGS) from the photos. It was named by Advisory Committee on Antarctic Names (US-ACAN) for R. Admiral Charles W. Thomas, USCG, veteran of Antarctic expeditions in the 1950s.

Tributaries glaciers

Maps

Vinson Massif. Scale 1:250 000 topographic map. Reston, Virginia: US Geological Survey, 1988.
Antarctic Digital Database (ADD). Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research (SCAR), 1993–2016.

This article incorporates public domain material from the United States Geological Survey document "Thomas Glacier" (content from the Geographic Names Information System).

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