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Margolis, Ellis Quinn. 2003. ?Stand Replacing Fire History And Aspen Ecology In The Upper Rio Grande Basin?. Department Of Renewable Natural Resources. Department Of Renewable Natural Resources. Tucson: University of Arizona.

Wienk, Cody Lee. 2001. ?Restoring Ponderosa Pine Forests In The Black Hills, South Dakota?. Department Of Renewable Natural Resources. Department Of Renewable Natural Resources. Tucson: University of Arizona.

Kaib, Mark J. 1998. ?Fire History In Riparian Canyon Pine-Oak Forests And The Intervening Desert Grasslands Of The Southwest Borderlands: A Dendroecological, Historical, And Cultural Inquiry?. School Of Renewable Natural Resources. School Of Renewable Natural Resources. Tucson: University of Arizona.

Speer, James Hardy. 1997. ?A Dendrochronological Record Of Pandora Moth (Coloradia Pandora, Blake) Outbreaks In Central Oregon?. Geoscience. Geoscience. Tucson: University of Arizona.

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