Obsidian geology and archaeology in the North American southwest - Shackley, M. Steven (Tucson University of Arizona Press, 2005)
Keywords: Indians of North America -- Southwest, New -- Antiquities; Obsidian -- Southwest, New; Obsidian implements -- Southwest, New; Indians of North America -- Implements -- Southwest, New; Indians of North America -- Commerce -- Southwest, New; Indians of North America -- Southwest, New -- Ethnic identity; Intergroup relations -- Southwest, New -- History; Archaeological geology -- Southwest, New; Southwest, New -- Antiquities