Sonoran Desert: Physical Aspects: Plants: Vegetation Change and Arroyo Cutting in Southeastern Arizona During the Past Century

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Vegetation Change and Arroyo Cutting in Southeastern Arizona During the Past Century: An Historical Review.

Figure 1: Grasslands in the upper San Pedro Valley, northern Sonora

From:
James Rodney Hastings, Institute of Atmospheric Physics, The University of Arizona.
Vegetation Change and Arroyo Cutting in Southeastern Arizona During the Past Century: An Historical Review.
In Arid Lands Colloquia 1958-1959.University of Arizona.

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Last Updated: October 22, 2002
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