Brichebor Peak (Antarctica) of Mount Slaughter (3444 m). US mapping in 1961, 1988 and 2007. Brichebor Peak (Antarctica) Brichebor Peak ( \'vr&h 'bri-che-bor\) is the peak rising to 2900 m in Vinson Massif, Sentinel Range in Ellsworth Mountains, Antarctica, situated at the end of a side ridge descending southwestwards from Príncipe de Asturias Peak (4680 m). It surmounts Tulaczyk Glacier to the southeast and Cairns Glacier to the northwest. The peak is named after Brichebor Peak in Rila Mountain, Southwestern Bulgaria. Brichebor Peak is located at , which is 8.17 km south of Knutzen Peak (3373 m), 6.35 km southwest of Silverstein Peak
Mount Chapman (Antarctica) Mount Chapman (Antarctica) Mount Chapman is a mountain in Antarctica. It is a triple-peaked mountain, high, with very steep sides and a large rock cliff on its north side, situated at the western end of the Whitmore Mountains. It was named by the Advisory Committee on Antarctic Names for William H. Chapman of the U.S. Geological Survey (USGS), a cartographer with the Horlick Mountains Traverse (1958–59), who made a survey of the Whitmore Mountains on Jan. 2, 1959. Chapman spent several summer seasons in the Antarctic, including a survey in the Pensacola Mountains (1957–58) and the highly successful USGS Topo