Tracing prehistoric sources of obsidian, Chapter 7, in Brown, P.E., and Stone, C.L., eds., Granite Reef: A study in desert archaeology

Brown, P.E., 1982, Tracing prehistoric sources of obsidian, Chapter 7, in Brown, P.E., and Stone, C.L., eds., Granite Reef: A study in desert archaeology: Tempe, Arizona State University, Anthropological Research Papers no. 26, Anthropological Field Studies no. 3, p. 227-241.