flows W to Cutoff Slough, 28 mi. NE of Roundabout Mtn., Koyukuk Low.
Koyukuk Indian name obtained in 1955 at Huslia by U.S. Geological Survey (USGS).
Dulbi Flats,
Treat Island,
Hadokhten Lake, Nododehon Lake,
Nogoyalna Slough,
Messy Slough,