Biblio
. 1977. History of Droughts in Washington State_1977.pdf (45.75 MB)
“Ramifications Of Chronology Building In Bristlecone Pine”. Tucson: Laboratory of Tree-Ring Research.
. 1963. Ferguson_Ramifications of Chronology Building in Bristlecone Pine_1963.pdf (14.7 MB)“Some Aspects Of The Use Of The Annual Rings In Trees In Climatic Study”. The Smithsonian Report For 1922. The Smithsonian Report For 1922.
. 1922. Douglass, AE_Some Aspects of the Use of the Annual Rings of Trees in Climatic Study_1922.pdf (20.6 MB)“Climate Of Rebellion: The Relationship Between Climate Variability And Indigenous Uprisings In Mid-Eighteenth-Century Sonora”. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=795926481&sid=4&Fmt=2&clientId=43922&RQT=309&VName=PQD.
. 2004. “Fire History And Fire Climate Relationships In Upper Elevation Forests Of The Southwestern United States”. School Of Natural Resources. School Of Natural Resources. Tucson: University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=1375523671&sid=1&Fmt=2&clientId=43922&RQT=309&VName=PQD.
. 2007. . 1996.