Description
Rainbow Gulch is located extends NW to Middle Fork Koyukuk River, 7 mi. NW of Poss Mtn. and 39 mi. W of Chandalar, Brooks Range.
History
Local name reported in 1956 by T. E. Taylor, U.S. Geological Survey (USGS).
Yukon-Koyukuk County · Alaska
Rainbow Gulch is located extends NW to Middle Fork Koyukuk River, 7 mi. NW of Poss Mtn. and 39 mi. W of Chandalar, Brooks Range.
Local name reported in 1956 by T. E. Taylor, U.S. Geological Survey (USGS).