Southard Promontory is a notable promontory, 6 nautical miles (11 km) long and 2 nautical miles (3.7 km) wide, which juts into northwest Mill Inlet

Mill Inlet

Mill Inlet is an ice-filled inlet which recedes 8 miles in a northwest direction and is some 20 miles wide at its entrance between Cape Robinson and Monnier Point, along the east coast of Graham Land. It was charted by the Falkland Islands Dependencies Survey in 1947 and named for Hugh Robert Mill...

 between Breitfuss Glacier

Breitfuss Glacier

Breitfuss Glacier is a glacier long, which flows southeast from Avery Plateau into Mill Inlet to the west of Cape Chavanne, on the east coast of Graham Land. It was charted by the Falkland Islands Dependencies Survey and photographed from the air by the Ronne Antarctic Research Expedition in 1947...

 and Alberts Glacier

Alberts Glacier

Alberts Glacier is a heavily crevassed glacier in Antarctica. It is about long, and flows east from Avery Plateau, Graham Land, until entering Mill Inlet between Balch Glacier and Southard Promontory. The glacier was photographed from the air by the U.S. Navy in 1968...

, on the Foyn Coast

Foyn Coast

Foyn Coast is that portion of the east coast of the Antarctic Peninsula between Cape Alexander and Cape Northrop. Discovered in 1893 by a Norwegian expedition under Captain Carl Anton Larsen, who named it for Svend Foyn, Norwegian whaler of Tønsberg whose invention of the grenade harpoon greatly...

, Graham Land

Graham Land

Graham Land is that portion of the Antarctic Peninsula which lies north of a line joining Cape Jeremy and Cape Agassiz. This description of Graham Land is consistent with the 1964 agreement between the British Antarctic Place-names Committee and the US Advisory Committee on Antarctic Names, in...

. The promontory is bordered by steep rock cliffs which rise 1,500 m to a relatively flat and snow covered upper surface. It was photographed from the air by Ronne Antarctic Research Expedition

Ronne Antarctic Research Expedition

The Ronne Antarctic Research Expedition was an expedition from 1947-1948 which researched the area surrounding the head of the Weddell Sea in Antarctica.-Background:...

 (RARE) and surveyed from the ground by Falkland Islands Dependencies Survey (FIDS) in 1947. In association with the names of Antarctic cartographers grouped in this area, named by the United Kingdom Antarctic Place-Names Committee (UK-APC) after Rupert B. Southard, Jr., Chief, National Mapping Division, 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), 1979–86; Chief, Office of International Activities (with responsibility for USGS field parties working in Antarctica), 1961–64; U.S. Representative to the SCAR Working Group

Working Group

Working Group can mean:*Working group, an interdisciplinary group of researchers; or*Working Group , kennel club designation for certain purebred dog breeds; or...

 on Geodesy and Cartography, 1964–79; Chairman, Domestic Names Committee of the USBGN, 1983-87 (Chairman, USBGN, 1988–90).