flows N to Middle Fork Fortymile River, 58 mi. SW of Eagle, Yukon- Tanana High.
Named by prospectors; shown on a 1902 manuscript map by E. J. Chamberlain, U.S. Deputy Surveyor.
Enterprise Creek, Fish Creek, Gold Bottom Creek, Gold Run, Jim Creek, Little Whiteman Creek, Manila Creek, McKinley Creek, Missoula Creek, Pennsylvania Creek, Pittsburgh Creek, Portage Creek, Silver Bow Creek, Van Milligan Creek, Watson Fork,
Valleys: