Description
Heads at 632432N 1423117W, flows NE 60 mi. to join Mosquito Fork to form South Fork Fortymile River, 56 mi. SW of Eagle; Yukon-Tanana High.
History
Prospector's name reported in 1896 by Spurr (1898, pl. 45), U.S. Geological Survey (USGS), as "Dennis Fork." by Captain W. R. Abercrombie, USA.