Craig, Douglas. 2004. ?Beyond Snaketown: Household Inequality And Political Power In Early Hohokam Society?. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=766021551&sid=5&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Ferguson, CW. 1983. ?Bristlecone Pine Project Status?.

Haeberli, Von, and H Rothlisberger. 1975. ?Beobachtungen Zum Mechanisums Und Zu Den Auswirkungen Con Kalbungen Am Grubengletscher?.

Scott, BeasleyRoy. 1972. ?Bristlecone Pine (Pinus Longaeva) In Relation To Environmental Factors And Soil Properties In East-Central Nevada?. Watershed Management. Watershed Management. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com.ezproxy1.library.arizona.edu/pqdweb?did=760211211&sid=4&Fmt=1&clientId=43922&RQT=309&VName=PQD.

Ferguson, CW. 1968. ?Bristlecone Pine Science And Esthetics?.

Bill To Authorize, Construct And Maintain The Central Arizona Project, Arizona-New Mexico And For Other Purposes. 1963. Washington, D.C. : U.S. Government Printing Office.

Douglass, AE. 1907. ?Boating Down The Colorado?. University Of Arizona Monthly 8 (No. 1). University Of Arizona Monthly.