Patuxent Range

The Patuxent Range is a major range of the Pensacola Mountains, comprising the Thomas Hills, Anderson Hills, Mackin Table and various nunataks and ridges bounded by the Foundation Ice Stream, Academy Glacier and the Patuxent Ice Stream. Discovered and partially photographed on January 13, 1956 in the course of a transcontinental nonstop plane flight by personnel of U.S. Navy Operation Deep Freeze I from McMurdo Sound to Weddell Sea and return.

Named by Advisory Committee on Antarctic Names (US-ACAN) for the Naval Air Station Patuxent River (at Cedar Point, Maryland) located on the south side of the mouth of the Patuxent River. The range was mapped in detail by USGS from surveys and U.S. Navy air photos, 1956-66.

Thomas Hills

The Thomas Hills is a linear group of hills, long, between Foundation Ice Stream and MacNamara Glacier at the northern end of the Patuxent Range. Named by US-ACAN at the suggestion of Captain Finn Ronne, U.S. Navy Reserve (USNR), leader at Ellsworth Station, 1957. Charles S. Thomas was Secretary of the Navy, 1954-57, during the first few years of the Deep Freeze operations.

List of geographic features

• O'Connell Nunatak () is a peaked rock nunatak, , standing 6 nautical miles (11 km) south-southeast of Mount Murch in the southern Anderson Hills. Named by US-ACAN for Richard V. O'Connell, seismologist at Amundsen-Scott South Pole Station, winter......
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