Formerly Kinnamax Indian Reserve 15, Kincolith Band. Extinguished per Nisga'a Treaty and transferred, with extension, to fee-simple interest: District Lot 8067, Range 5 Coast Land District. Name changed to X'anmas (site) 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
X'anmas is actually the name of the entire watershed. Kinnamax IR 15 was a small reserve situated at the mouth of Ksi X'anmas [formerly Kwinamass River] where, according to the Land Ownership & Occupancy Study, 1982-83, "Anjoks Txaalaxhatkw" or Txaalaxhatkw's camp site was situated.
Source: Nisga'a Tribal Council / Ayuukhl Nisga'a Department, Aiyansh BC