Description
Mammoth Creek is located flows SW to Mastodon Creek, 20 mi. NW of Ophir and 50 mi. NW of Mcgrath, Kilbuck-Kuskokwim Mts.
History
Prospectors name published in 1921 by U.S. Geological Survey (USGS).
Yukon-Koyukuk County · Alaska
Mammoth Creek is located flows SW to Mastodon Creek, 20 mi. NW of Ophir and 50 mi. NW of Mcgrath, Kilbuck-Kuskokwim Mts.
Prospectors name published in 1921 by U.S. Geological Survey (USGS).