The 6,500-year-old weapons, found in a cave near Marfa, could be among the oldest near-complete set of wood and stone hunting tools found in North America. The 6,500-year-old weapons, found in a cave near Marfa, could be among the oldest near-complete set of wood and stone hunting tools found in North America. Research, Rock and Stone, Hunting and Trapping, Tools, Archaeology and Anthropology, Sul Ross State University, Texas State University, University of Kansas, Marfa (Tex), North America, Texas, Alpine (Tex) NYT > Science