sentences:  Peoples of the Northwest Pacific Coast would trade dentalium into the Great Plains, Great Basin, Central Canada, Northern Plateau and Alaska for other items including many foods, decorative materials, dyes, hides, macaw feathers which came from Central America, turquoise from the American Southwest, as well as many other items.Nuu-chah-nulth peoples were the primary harvesters of dentalium shells.Among the Northwest Coastal tribes, the shells were valued for both trade and adornment.