Bannister, Bryant, Jeffrey S Dean, and William J Robinson. 1969. Tree-Ring Dates From Utah S-W Southern Utah Area. Tucson: University of Arizona.

Bannister, Bryant, Jeffrey S Dean, and William J Robinson. 1968. Tree-Ring Dates From Arizona C-D Eastern Grand Canyon-Tsegi Canyon-Kayenta Area. Tree-Ring Dates. Tree-Ring Dates. Tucson: University of Arizona.