… with 23 northern Ontario First Nations last year. “(This) … the closure of Mississauga First Nation Operations.” Band council … Members of Mississauga First Nation participated in a peaceful … measures being enforced. Mississauga First Nation sign in June 2023 …… with 23 northern Ontario First Nations last year. “(This) … the closure of Mississauga First Nation Operations.” Band council … Members of Mississauga First Nation participated in a peaceful … measures being enforced. Mississauga First Nation sign in June 2023 …