heads on Boston Dome, flows W to Main Creek, 9 mi. SW of Ruby, Kilbuck-Kuskokwim Mts.; 9.5 miles long.
Prospectors' name reported in 1908 by A. G. Maddren, (in Brooks and others, 1909, p. 230), U.S. Geological Survey (USGS).
Boston Creek, Grayling Creek, Little Bonanza Creek, Lower Niklaremut Creek, Main Creek, Short Creek, Upper Niklaremut Creek,
Valleys: