70 mi. NW of Tok Junction, 90 mi. SW of Eagle, Yukon-Tanana High.
Prospectors' name thought to be for Arthur Harper, 1835-1897, Yukon River valley pioneer. Name shown on a 1911 U.S. Geological Survey (USGS) fieldsheet. (from Orth, Donald J. Dictionary of Alaska Place Names. Washington, DC: GPO, 1967.)