James D. KeyserJames D. Keyser conducts research for the Indigenous Cultures Preservation Society. He has taught anthropology at SUNY Buffalo and the University of Tulsa, and served as Northwest Regional Archaeologist for the USDA Forest Service. He is the author o Clan Crests and Shamans' Masks: Petroglyphs in Southeast Alaska (Indigenous Cultures Preservation society, 2012), Rock Art of the Oregon Country (Oregon Archaeological Society Press, 2010), Indian Rock Art of the Columbia Plateau (University of Washington Press, 1992); and coauthor of Plains Indian Rock Art (University of Washington Press, 2001). Read More Read Less