Heading 10.5 mi NW of the Asses Ears and flowing NE 5 mi. then SE to the Inmachuk River, 2.5 mi upstream from the mouth of Pinnell River, 20 mi. N of Imuruk Lake, Seward Peninsula High.
Prospectors' name reported in 1901 by D. L. Reaburn (in Mendenhall, 1902, pl. 4a), U.S. Geological Survey (USGS).
Asses Ears, Black Butte, Crossfox Butte, Mount Foster, Skeleton Butte, Virginia Butte,
Pillars:Rivers:Streams:American Creek, Arizona Creek, Collins Creek, Cue Creek, Cunningham Creek, Eureka Creek, Fink Creek, Hannum Creek, Iron Creek, June Creek, Magnet Creek, May Creek, Milroy Creek, Mystic Creek, Nelson Creek, Old Glory Creek, Perry Creek, Rex Creek, Sullivan Creek, Washington Creek, West Creek,
Valleys:Eureka Gulch, Logan Gulch, Snow Gulch,
Cities: