is a large, mainly ice-covered plateau
situated east of the southern part of the Washington Escarpment
in the Pensacola Mountains
. Mapped by United States Geological Survey
(USGS) from surveys and U.S. Navy
air photos, 1956-66. Named by Advisory Committee on Antarctic Names
(US-ACAN) after the Bell UH-1 "Iroquois" helicopter
which has greatly facilitated field operations in Antarctica.