帕圖克森特山脈
DeWitt Nunatak () is a nunatak, high, along the face of an ice escarpment west of Snake Ridge, in the Patuxent Range, Pensacola Mountains. It was mapped by the United States Geological Survey from surveys and from U.S. Navy air photos, 1956–66, and was named by the Advisory Committee on Antarctic Names for Steven R. DeWitt, a meteorologist at Palmer Station, winter 1966.