East Antarctic Tundra Ecoregion The Budd, Knox, and Sabrina Coasts of East Antarctica were first reported by the U.S. Exploring Expedition in 1840. They are all part of Wilkes Land, named for the officer in charge of the expedition. From west to east, the Knox Coast extends from Cape Hordern (S66o15’ E100o31’), to the Hatch … More Budd, Knox, and Sabrina Coasts