66 ° 46' 41.002" N,
147 ° 33' 9" W
Yukon-Koyukuk (CA)
656 ft (199.95 m)
in course of Fortymile Creek, 29 mi. N of Beaver, Yukon Flats
HistoryLocal name derived from Fortymile Creek; obtained in 1956 by U.S. Geological Survey (USGS).
Forty and One-half Mile Creek, Fortymile Creek, Fortytwo Mile Creek,