Engle, James Blaine. 2000. ?A Computer-Assisted Tree-Ring Chronology Composition System?. Electrical And Computer Engineering. Electrical And Computer Engineering. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=729088511&sid=4&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Elson, Mark. 1996. ?An Ethnographic Perspective On Prehistoric Platform Mounds Of The Tonto Basin, Central Arizona?. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=739658101&sid=23&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Earle, Christopher J. 1986. ?Reconstructing The Flow Of The Sacramento River Since 1560?. Geoscience. Geoscience. University of Arizona.

Elliott, Deborah. 1979. ?The Stability Of The Northern Canadian Tree Limit: Current Regenerative Capacity?. Geography. Geography. University of Colorado. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=751614031&sid=5&Fmt=1&clientId=43922&RQT=309&VName=PQD.

Effland, Richard. 1979. ?A Study Of Prehistoric Spatial Behavior: Long House Valley, Northeastern Arizona?. Anthropology. Anthropology. Arizona State University. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=760047031&sid=27&Fmt=1&clientId=43922&RQT=309&VName=PQD.

Estes, Eugene Todd. 1969. ?The Dendrochronology Of Three Tree Species In The Central Mississippi Valley?. Botany. Botany. Southern Illinois University. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=755447421&sid=11&Fmt=1&clientId=43922&RQT=309&VName=PQD.