Description
150 miles long. Extend from Noatak River, Kaluluktok Creek, and Walker Lake at W end to Atigun River, Dietrich River, and Middle Fork Koyukuk River at E end, Brooks Range
History
Named in 1885 by Lieutenant H. T. Allen, USA, for William Crowninshield Endicott, 1826-1900, Secretary of War under President Grover Cleveland, 1885-89.