extends 1.5 mi. NE from O'Keefe Hills to headwaters of Crooked Creek, 17 mi. WSW of Chandalar, Brooks Range.
Local name reported in 1956 by T. E. Taylor, U.S. Geological Survey (USGS).
Big Jim Creek, Big Spruce Creek, King Creek, Long Creek, Mellow Creek, Phoebe Creek, Robert Creek, Sawlog Creek, Shady Creek, Short Creek, Simplex Creek, Wolf Creek,
Valleys: