flows E to Sulatna River, 6 mi. NW of Monzonite Hills, Nowitna Low. 27 miles long.
Prospectors' name reported in 1911 by A. G. Maddren (in Brooks and others, 1921, p. 294-296), U.S. Geological Survey (USGS).
Antelope Creek, Beaver Creek, Bonanza Creek, Cottonwood Creek, Flint Creek, Little Bonanza Creek, Monzonite Creek, Tip Creek, Trail Creek, Valley Creek,