@book {882, title = {A Directory of Tree-Ring Dated Prehistoric Sites in the American Southwest}, year = {1991}, publisher = {Laboratory of Tree-Ring Research}, organization = {Laboratory of Tree-Ring Research}, address = {Tucson}, keywords = {Archaeology, dendrochrononology, directory, native american, Prehistoric, quadrangle series, site, southwest, tree ring}, author = {Robinson, William J. and Catherine M. Cameron} }