of the range. Mapped by USGS from surveys and U.S. Navy air photos, 1960–64. Named by US-ACAN for Joseph D. Sheets, journalist on U.S. Navy Operation Deep Freeze 1965–67. Mount Soyat Mount Soyat is a prominent mountain in the western side of the Wisconsin Range, rising on the east side of Reedy Glacier just north of the junction of Norfolk Glacier. Mapped by USGS from surveys and U.S. Navy air photos, 1960–64. Named by US-ACAN for Commander David Soyat, U.S. Navy, air operations officer with Squadron VX-6 at McMurdo Station, winter 1962. Key Geological features Gierloff Nunataks Gierloff Nunataks () is a group of nunataks lying 8 nautical miles (15 km) northwest of Lentz Buttress, at the northern side of the range. Mapped by USGS from surveys and U.S. Navy air photos, 1960–64. Named by US-ACAN after George B. Gierloff, builder, Byrd Station winter party, 1961. Lentz Buttress Lentz Buttress () is a prominent rock bluff 5 mi ENE of Faure Peak, rising to 2,800 m and forming a projection along the northern side of the Wisconsin Plateau. Mapped by USGS from surveys and U.S. Navy air photos, 1960–64. Named by US-ACAN for Lieutenant Malcolm W. Lentz, U.S. Navy, officer in charge of the South Pole Station winter party, 1962. Perkins Canyon Perkins Canyon is a canyon at the head of Quonset Glacier, between Ruseski Buttress and Mount LeSchack, along the northern side of the range. Mapped by USGS from surveys and U.S. Navy air photos, 1959–60. Named by US-ACAN for David M. Perkins, geomagnetist, Byrd Station winter party, 1961. Ruseski Buttress Ruseski Buttress () is a buttress rock or spur forming the south portal to Perkins Canyon along the northern side of the range. Mapped by USGS from surveys and U.S. Navy air photos, 1959–60. Named for Lieutenant Peter P. Ruseski (MC) U.S. Navy, of the Byrd Station winter party, 1958. Features Angus Nunatak Baker Nunatak Brinton Nunatak Davisville Glacier Feeley Peak Ford Nunataks Garczynski Nunatak Gibbon Nunatak Goodwin Peak Griffith Peak Haworth Mesa Hueneme Glacier Martens Peak McCrilliss Nunatak Mickler Spur Moran Buttress Mount Bolton Mount Brecher Mount Frontz Mount Huckaby Mount McNaughton Mount Neder Mount Sweatt Mount Vito Murtaugh Peak Norfolk Glacier Quonset Glacier Reedy Glacier Saunders Rock Sisco Mesa Spencer Nunatak Spiers Nunatak Walters Peak Widich Nunatak References Mountain ranges of Marie Byrd Land Transantarctic Mountains University of Wisconsin–Madison