extends SE to Sullivan Creek, 34 mi. ESE of Tanana, Yukon-Tanana Highlands.
Prospectors' name reported in 1931 by J. B. Mertie, U.S. Geological Survey (USGS).
Manley Hot Springs Dome, Roughtop Mountain,
Ridges:Bean Ridge, Boulder Ridge, Serpentine Ridge, Serpentine Ridge,
Streams:Streams:Big Denver Creek, Blowback Creek, Cache Creek, Camp Creek, Cooney Creek, Deep Creek, Dome Creek, Gold Basin Creek, Killarney Creek, Little Boulder Creek, Little Denver Creek, McCloud Ranch Creek, Orum Creek, Quartz Creek, Queen Twin Creek, Ready Money Creek, Sandusky Creek, Sullivan Creek, Tamarack Creek, Woodchopper Creek,
Valleys:Dalton Gulch, Ferguson Draw, Harter Gulch, Hokeley Gulch, Idaho Gulch, Innesvale Gulch, Irish Gulch, Miller Gulch, Tofty Gulch,
Cities: