Biblio
. 1983. “The Effects Of Fire Exclusion On Growth In Mature Ponderosa Pine In Northern Arizona”. Geoscience. Geoscience. Tucson: University of Arizona.
 Sutherland, Elaine Kennedy_The Effects of Fire Exclusion on Growth in Mature Ponderosa Pine in Northern Arizona_1983.pdf (1.51 MB)
 Sutherland, Elaine Kennedy_The Effects of Fire Exclusion on Growth in Mature Ponderosa Pine in Northern Arizona_1983.pdf (1.51 MB). 1976. “A Tree Ring Analysis Of Four Tree Species Growing In Southeastern New York State”. Geoscience. Geoscience. University of Arizona.
. 1965. “The Differentiation Of Tracheary Elements From The Cambium Of Pinus Edulis Engelm: The Correlation Of Differentiation With Measured Ring Width And Environmental Factors”. Botany. Botany. University of Arizona.

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