flows SE 10 mi. to join Liberty Fork to form O'Brien Creek, 22 mi. S of Eagle; Yukon-Tanana High.
prospectors' name obtained in 1898 by E. C. Barnard, U.S. Geological Survey (USGS).
Fortymile River, Liberty Fork,
Streams:Alma Creek, Boundary Creek, Bow Creek, Columbia Creek, Dewey Creek, Dick Dale Creek, Dime Creek, Discovery Fork, Dome Creek, Flat Creek, Georgie Creek, Glasier Creek, King Solomon Creek, Liberty Fork O-Brien Creek, Little Johnny Creek, Little Miller Creek, McKinley Creek, Moose Creek, North Fork O-Brien Creek, Powee Creek, Quartz Creek, Queen of Sheba Creek, Sam Patch Creek, Snow Creek, South Boundary Creek, Teddys Fork, Trail Creek, Union Creek,
Valleys: