Treaties — Nature of treaty — Interpretation — Treaty rights — Agreement between Canada, First Nations and Government of Yukon establishing consultative process for development of land use plans in Yukon portion of the Peel Watershed — Umbrella Final Agreement between Government of Canada, Council for Yukon Indians and Government of Yukon, 1993 — Whether subject to international law principles for treaty interpretation — Whether Yukon Government’s approval of proposed land use plan contravening consultative process set out in agreement — Modern treaties — Role of courts in resolving disputes concerning modern treaty implementation

Territory — Agreement recognizing traditional territories of First Nations in Yukon portion of the Peel Watershed, and their right to participate in management of public resources in that area — The law of Canada