Whitmill Nunatak is one of the Grossman Nunataks

Grossman Nunataks

Grossman Nunataks is a group of about a dozen nunataks in Palmer Land, rising 1,300-1,500 m in elevation and running NW-SE for 18 nautical miles between Lyon Nunataks and Sky-Hi Nunataks. The group includes features from Smith Nunataks and Whitmill Nunatak in the northwest to Gaylord Nunatak and...

, lying in the west part of the group 5 nautical miles (9 km) south-southwest of Smith Nunataks

Smith Nunataks

Smith Nunataks are two nunataks close together, lying 5 nautical miles north-northeast of Whitmill Nunatak in the northwest part of Grossman Nunataks, Palmer Land. Mapped by United States Geological Survey from surveys and U.S. Navy aerial photographs, 1961–68, and Landsat imagery, 1973-74....

, in Palmer Land

Palmer Land

Palmer Land is that portion of the Antarctic Peninsula which lies south of a line joining Cape Jeremy and Cape Agassiz. This application of Palmer Land is consistent with the 1964 agreement between US-ACAN and UK-APC, in which the name Antarctic Peninsula was approved for the major peninsula of...

. Mapped by United States Geological Survey

United States Geological Survey

The United States 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, and the natural hazards that threaten it. The organization has four major science disciplines, concerning biology,...

 (USGS) from surveys and U.S. Navy aerial photographs, 1961-68. Named by Advisory Committee on Antarctic Names

Advisory Committee on Antarctic Names

The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...

 (US-ACAN) in 1987 after Leland D. Whitmill, USGS cartographer, a member of the field party on Darwin Glacier

Darwin Glacier (Antarctica)

Darwin Glacier is a large glacier flowing from the polar plateau eastward between the Darwin and Cook Mountains to the Ross Ice Shelf. The glacier was mapped by the British National Antarctic Expedition , and the whole area traversed by New Zealand parties of the Commonwealth Trans-Antarctic...

 and Byrd Glacier

Byrd Glacier

The Byrd Glacier is a major glacier in Antarctica, about 136 km long and 24 km wide, draining an extensive area of the polar plateau and flowing eastward between the Britannia Range and Churchill Mountains to discharge into the Ross Ice Shelf at Barne Inlet.Named by the NZ-APC after Rear...

, 1978-79.