Biblio
“Elevated Atmospheric Carbon Dioxide Impacts Carbon Dynamics In A C(4)-Sorghum-Soil Agroecosystem: An Application Of Stable Carbon Isotopes (Delta Carbon-13) In Tracing The Fate Of Carbon In The Atmosphere-Plant-Soil Ecosystem”. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=885700691&sid=10&Fmt=2&clientId=43922&RQT=309&VName=PQD.
. 2005. . 2006.
“Landscape Fire History And Age Structure Patterns In The Sky Islands Of Southeastern Arizona”. School Of Natural Resources. School Of Natural Resources. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=1144189411&sid=5&Fmt=2&clientId=43922&RQT=309&VName=PQD.
. 2006. “Preclassic Excavations At Punta De Chimino, Peten, Guatemala: Investigating Social Emplacement On An Early Maya Landscape”. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=1296087131&sid=2&Fmt=2&clientId=43922&RQT=309&VName=PQD.
. 2006. “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. “Human Response To Environmental Hazards: Sunset Crater As A Case Study”. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=1564017781&sid=16&Fmt=2&clientId=43922&RQT=309&VName=PQD.
. 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.
. 2008. . 2009.
“Extracting Cultural Information From Ship Timber”. Anthropology / Nautical Archaeology. Anthropology / Nautical Archaeology. Texas A&M University. http://search.proquest.com/docview/856582319?accountid=8360.
. 2010. 
“Deciphering Arctic Climate In A Past Greenhouse World: Multiproxy Reconstructions Of Pliocene Climate”. Geoscience. Geoscience. University of Arizona.
. 2011.