REU:Gina Collignon  
 

Sources Cited

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Sarr, D. A. 1995. Grazing, Graminoids and Hysteresis: Investigating Relationships Between Livestock Production, Riparian Communities, and Ecosystem Recovery in the southern Sierra Nevada, California. University of California, Santa Barbara, Santa Barbara, CA.

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USDA. 2004. Commercial Pack Stock Use Authorizations for the Ansel Adams and John Muir Wildernessess. Forest Service, Pacific Southwest Region.

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