flows W to Tolstoi Creek, 19 mi. NW of Ophir and 50 mi. NW of McGrath, Kilbuck-Kuskokwim Mts. 3.3 miles long.
Prospectors' name published in 1921 by U.S. Geological Survey (USGS).
Baker Creek, Basin Creek, Boob Creek, Deep Creek, Dome Creek, Donovan Creek, Frisco Creek, Hurst Creek, Ledge Creek, Madison Creek, Mammoth Creek, Mastodon Creek,