Uses: Acorns (nuts) widely eaten as food by Acoma, Apache, Cocopah, Gosiute, Havasupai, Hualapai, Laguna, Mohave, Navajo, Papago, Pima, Southern Paiute, Tewa, Uintah Ute, Yavapai, and Yuma. Variously used for making tools/tool parts (digging sticks, handles, etc.), ceremonial/ritual purposes, and as a tannin (Apache). Sap may also be used as chewing gum or as an adhesive (Navajo).
Kimberley A. Ryan, Northern Arizona University Anthropology Laboratories