W of Iditarod River, 11.7 mi. SW of Flat and 49 mi. NE of Holy Cross, Kilbuck-Kuskokwim Mts.
Prospectors' name published in 1921 by U.S. Geological Survey (USGS).
Haystack Butte, Swinging Dome,
Streams:Bonanza Creek, Fairbanks Creek, Glacier Creek, Julie Creek, Little Eldorado Creek, Otter Creek, Pedro Creek, Tango Creek, Timber Creek, Trail Creek, Willow Creek, Zimmerman Creek,
Cities: