at W end of Sadlerochit Mts., at head of Tamayariak River, 50 mi. NW of Mount Michelson, Brooks Range
Leffingwell (1919, p. 116) wrote, "On the top of Red Hill at the west end of the Sadlerochit Mts.***."
Black Island,
Mount Copleston, Red Hill,
Shubelik Mountains,
Ignek Creek, Nanook Creek,
Canning Valley, Ignek Valley,