Hallman, Christine Lee. 2010. ?Unraveling Environmental Factors That Affect Pinus Longaeva Growth In The White Mountains, California?. Geography. Geography. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=2108905281&sid=32&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Sheppard, Paul. 1995. ?Reflected-Light Image Analysis Of Conifer Tree Rings For Dendrochronological Research?. Geosciences. Geosciences. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=742087251&sid=3&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Sheppard, Paul. 1984. ?Fire Regime Of The Lodgepole Pine (Pinus Contorta Var. Murrayana) Forests Of The Mt. San Jacinto State Park Wilderness, California?. Ithaca: Cornell University.