Iknouk River adopted 6 August 1953 on 103 P, not Iknouk Creek as labelled on BC Lands' map 3M, 1929. Form of name changed to Xnukw (River) per Nisga'a Treaty, Appendix F-3, effective 11 May 2000.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office