… Photo courtesy of Mattagami First Nation. jpg, KW, apsmc … home community of Mattagami First Nation. Advertisement 2 This … advancement, and advocacy of First Nation objectives and initiatives’. “ … Council along with the First Nations of Beaverhouse, Brunswick …… Photo courtesy of Mattagami First Nation. jpg, KW, apsmc … home community of Mattagami First Nation. Advertisement 2 This … advancement, and advocacy of First Nation objectives and initiatives’. “ … Council along with the First Nations of Beaverhouse, Brunswick …