flows SW to Nowitna River 1.5 mi. E of its junction with Lost River, 15 mi. NE of Monzonite Hills, Kilbuck-Kuskokwim Mts.
Local name reported in 1915 by Eakin (in Brooks and others, 1916, pl. 10), U.S. Geological Survey (USGS).
Little Mud River, Lost River,