Description
Mailbox Creek is located flows S from Twelvemile Mtn. to Middle Fork Koyukuk River, 23 mi. S of Wiseman, Brooks Range
History
This stream was reported as Branson Creek in 1899 by T. G. Gerdine, U.S. Geological Survey (USGS), but in 1956 U.S. Geological Survey (USGS) reported "Mailbox Creek" to be local usage.