on SE tip of Koyukuk I., in Yukon River, 19 mi. NE of Nulato, Koyukuk Low.
Local name reporetd in 1954 by U.S. Geological Survey (USGS).
Bishop Rock, Koyukuk Mountain,
Islands:Bishop Rock Island, Koyukuk Island, Milady Island, Whontleya,
Locales:Mountains:Rivers:Koyukuk River, Pilot Mountain Slough,
Streams:Hodegaden Creek, Woodyard Creek,
Routes:Over the Hill Portage, Over-The-Hill Portage,
Cities: