Morino, Kiyomi Ann. 2008. ?Using False Rings To Reconstruct Local Drought Severity Patterns On A Semiarid River?. Geography And Regional Development. Geography And Regional Development. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=1500068401&sid=3&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Kipfmueller, Kurt Foster. 2003. ?Fire-Climate-Vegetation Interactions In Subalpine Forests Of The Selway-Bitterroot Wilderness Area, Idaho And Montana, Usa?. Geography And Regional Development. Geography And Regional Development. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=765957031&sid=4&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Hessl, Amy. 2000. ?Aspen: Ecological Processes And Management Eras In Northwestern Wyoming, 1807--1998?. Geology And Geography. Geology And Geography. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=731957311&sid=11&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Morino, Kiyomi Ann. 1996. ?Reconstruction And Interpretation Of Historical Patterns Of Fire Occurrence In The Organ Mountains, New Mexico?. Department Of Renewable Natural Resources. Department Of Renewable Natural Resources. Tucson: University of Arizona.

Robinson, William J, and Ronald H Towner. 1993. A Directory Of Tree-Ring Dated Native American Sites In The American Southwest. Tucson: Laboratory of Tree-Ring Research.

Woodhouse, Connie. 1989. ?A Dendrochronological Study Of The Great Salt Lake Basin?. Department Of Geography. Department Of Geography. Salt Lake City: University of Utah.

Kuivinen, Karl C. 1980. ?Comparative Analysis Of Climatic Reconstructions Derived From Tree-Ring And Ice Core Indicators In Southern Greenland?. University of Nebraska.

Lawson, Merlin P. 1972. ?The Climate Of The Great American Desert?. Clark University.

Douglass, AE. 1906. ?Physical Geography?. Tempe Normal School. Tempe Normal School.