Biblio
Tree-Ring Dates From Utah S-W Southern Utah Area. Tucson: University of Arizona.
. 1969. 
Tree-Ring Dates From Arizona C-D Eastern Grand Canyon-Tsegi Canyon-Kayenta Area. Tree-Ring Dates. Tree-Ring Dates. Tucson: University of Arizona.
. 1968. 
Tree-Ring Dates From Arizona N-Q Verde-Showlow-St. Johns Area. Tucson: University of Arizona.
. 1966. 