along Tubutulik River, on E side of Darby Mts., 37 mi. SE of Imuruk Lake, Seward Peninsula Highlands. 6 miles wide.
Local name published on a precinct map of Seward Peninsula by Monroe and Hutchins; corrected up to June 1903 by Arthur Gibson.
Admiral Creek, Big Bar Creek, Big Creek, Boulder Creek, Boulder Creek, Butte Creek, Carbon Creek, Caribou Creek, Decon Creek, Granite Creek, Grouse Creek, Haven Creek, Jones Pup Creek, Lost Creek, Moonlight Creek, Nutmoyuk Creek, Otter Creek, Rock Creek, Timber Creek, Trail Creek, Vulcan Creek,
Valleys: