“Cowlitz Territory” for the purposes of this rule includes but is not limited to, the geographic area to which the CIT held aboriginal title as designated by the Indian Claims Committee Docket 218, the Sahaptin Texts, various legal and historical documents, elder testimony, and the usual and accustomed practices of the CIT. Generally, “Cowlitz territory” means the entire Cowlitz and Lewis River watersheds in what is now known as Southwest Washington State, commonly referred to by the public as Department of Fish & Wildlife (DF&W) Region 5 as of January 1, 2000; and that part of Mount Rainier National Park which sheds water into the Cowlitz River. Roughly, the northern boundary is the Puget Sound watershed and the summit of Mount Rainier; the eastern boundary is the crest of the Cascade Range and the Yakama Indian Reservation; the southern boundary is the Columbia River; and the western boundary is that large part of the Willapa Hills, which do not shed water directly into the Pacific Ocean.