Heads at 683625N, 1564545W, flows N to the Ipnavik River, 5 mi WNW of Smith Mountain Lakes, Brooks Range.
Named for Walter R. Blankenship, who was a field hand for U.S. Geological Survey (USGS) northern Alaska field parties from 1924-1926.
Lisburne Ridge,
Ipnavik River,
Blankenship Creek, Medial Creek,