Description
Nigu River is located heads in Imakturok Pass, flows NW 70 mi. to Etivluk River, 25 mi. NW of Howard Pass; Brooks Range
History
named in 1925 by Gerald FitzGerald (in Smith and Mertie, 1930, pl. 1), U.S. Geological Survey (USGS), for a multi-colored chert bluff near the stream's mouth.