Biblio
“Chronological Analysis Of Tsegi Phase Sites In Northeastern Arizona”. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=758014861&sid=11&Fmt=1&clientId=43922&RQT=309&VName=PQD.
. 1967. “Dendroclimatic Variability In The American Southwest A.d. 680 To 1970”. Tucson: Laboratory of Tree-Ring Research.
. 1977. 
Expanded Tree-Ring Chronologies For The Southwestern United States. Chronology Series Iii. Chronology Series Iii. Tucson: Laboratory of Tree-Ring Research.
. 1978. 
Tree-Ring Dates From Colorado W Durango Area. Tucson: University of Arizona.
. 1975. 