The Nisga’a Lisims Government provides links to Maps & Land Use Plan:
http://www.nisgaalisims.ca/downloads
Also, the BC Government has maps of the 34 Nisga’a names that were adopted as part of the Nisga’a Treaty, 11 May 2000. Click upper or lower portion of map for a view of Nisga’a Lands, and to access details about each name.
http://www.geobc.gov.bc.ca/base-mapping/atlas/bcnames/showcase/Nisga’a.htm