Webb, GE. Anon.1979. A.E. Douglass and the Canals of Mars. The Astronomy Quarterly 3, no. No. 9. The Astronomy Quarterly.

Tausch, Robin. Anon.1980. Allometric Analysis of Plant Growth in Woodland Communities. Range Science. Range Science. Utah State University. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=749271331&sid=1&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Welch, John. Anon.1996. The archaeological measures and social implications of agricultural commitment. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=739663551&sid=2&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Pedicino, Lisa Christina. Anon.1997. Carbon Isotopic Variations in 7 Southwestern U.S. Plants from Herbarium Collections of the Last 150 Years. School of Renewable Natural Resources. School of Renewable Natural Resources. University of Arizona.

Woodhouse, Connie Ann. Anon.1996. Climate variability in the southwestern United States as reconstructed from tree-ring chronologies. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=739718221&sid=24&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Warburton, Miranda. Anon.1985. Culture change and the Navajo Hogan. Anthropology. Anthropology. Washington State University. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=753300051&sid=19&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Wendland, Wayne Marcel. Anon.1971. Dating the Temporal Limits of Climatic Episodes During the Holocene. University of Wisconsin. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=758273691&sid=8&Fmt=1&clientId=43922&RQT=309&VName=PQD.

van der Water, Peter. Anon.1999. delta(13)C and stomatal density variability in modern and fossil leaves of key plants in the western United States. Geosciences. Geosciences. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=731687391&sid=11&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Wright, William Edward. Anon.2001. Delta-deuterium and delta-oxygen-18 in mixed conifer systems in the United States southwest: The potential of delta-oxygen-18 in Pinus ponderosa tree rings as a natural environmental recorder. Geoscience. Geoscience. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=728996441&sid=11&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Woodhouse, Connie. Anon.1989. A Dendrochronological Study of the Great Salt Lake Basin. Department of Geography. Department of Geography. Salt Lake City: University of Utah.

Schweingruber, Fritz H, Kontic, Raymond, and Winkler-Seifert, Amanda. Anon.1983. Eine jahrringanalytische Studie zum Nadelbaumsterben in der Schweiz. Berichte Rapports. Berichte Rapports. Birmensdorf: Eidgenossische Anstalt fur das Forstliche Versuchswesen.

McKenna, Peter,, and Windes, Thomas. Anon.2001. Going Against the Grain-Wood Production in Chacoan Society. American Antiquity. American Antiquity.

Katz, Morris, Atkinson, HJ, and Wyatt, FA. Anon.n.d. The Hydrogen Ion Concentration Base Exchange Capacity and Sulphate Content of Soils. In .

Webb, GE. Anon.1978. The Infatigable Astronomer. The Journal of Arizona History. The Journal of Arizona History.

Woolfenden, Wallace. Anon.1996. Late Quaternary vegetation history of the southern Owens Valley region, Inyo County, California. Geosciences. Geosciences. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=739577661&sid=22&Fmt=2&clientId=43922&RQT=309&VName=PQD.

West, Carla Van. Anon.1990. Modeling prehistoric climatic variability and agricultural production in southwestern Colorado: A GIS approach. Anthropology. Anthropology. Washington State University. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=747133751&sid=7&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Wiseman, Fredrick Matthew. Anon.1974. Paleoecology and the Prehistoric Maya: A History of Man-Land Relationships in the Tropics. Geoscience. Geoscience. University of Arizona.

Wilkinson, Margot Carolina. Anon.1997. Reconstruction of historical fire regimes along an elevation and vegetation gradient in the Sacramento Mountains, New Mexico. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=738180921&sid=4&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Winter, Larrabee C. Anon.1976. Relationships Among Climate, Tree-Ring Widths and Grass Production on the Santa Rita Experimental Range. Geoscience. Geoscience. University of Arizona.

of Washington, Carneigie Institution. Anon.1929. Reports on the Conferences of Cycles. Washington, D.C. : Carneige Institution.

Wienk, Cody Lee. Anon.2001. Restoring Ponderosa Pine Forests in the Black Hills, South Dakota. Department of Renewable Natural Resources. Department of Renewable Natural Resources. Tucson: University of Arizona.

Wright, Robert Dennison. Anon.1963. Some Ecological Studies on Bristlecone Pine in the White Mountains of California. Plant Science. Plant Science. University of California. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com.ezproxy2.library.arizona.edu/pqdweb?did=763335561&sid=2&Fmt=1&clientId=43922&RQT=309&VName=PQD.

Wood, Michelle Lee. Anon.1996. Synoptic Dendroclimatology in the Upper Marmada River Basin: An Exploratory Study in Central Asia. Geoscience. Geoscience. University of Arizona.

Robinson, William J, Harrill, Bruce G, and Warren, Richard L. Anon.1975. Tree-Ring Dates from Arizona H-I Flagstaff Area. Tucson: University of Arizona.

Bannister, Bryant, William, Robinson J, and Warren, Richard L. Anon.1967. Tree-Ring Dates from Arizona J Hopi Mesas Area. Tucson: University of Arizona.