Pryor Glacier (70°5′S160°10′E) is a glacier flowing northeastward, to the north of Mount Shields and Yermak Point, into Rennick Bay. The feature is about 30 nautical miles (60 km) long and forms a physical separation between Wilson Hills and Usarp Mountains. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy aerial photographs, 1960-62. Named by Advisory Committee on Antarctic Names (US-ACAN) for Madison E. Pryor, scientific leader at McMurdo Station (1959) and U.S.