Incomplete record, heads in Canada, flows NW to Fortymile River, 36 mi. SE of Eagle, Yukon-Tanana High.
Named by prospectors and reported in 1896 by Spurr (1898, pl. 46), U.S. Geological Survey (USGS).
Fortymile River, Liberty Fork, North Ladue River,
Streams:Alma Creek, Arkansas Creek, Baby Creek, Brophy Creek, Camp Creek, Canyon Creek, Discovery Creek, Glasier Creek, Hall Creek, Iles Creek, Jack Creek, Kal Creek, King Solomon Creek, Liberty Fork O-Brien Creek, Little Miller Creek, Mariner Creek, Moose Creek, Powee Creek, Sam Patch Creek, Skukum Creek, Smith Creek, Snow Creek, South Boundary Creek, Trail Creek, Woods Creek,
Valleys: