References 

Arno, Stephen F., and Ramona P. Hammerly. Northwest Trees: Identifying and Understanding the Region's Native Trees. Seattle, WA: Mountaineers, 2007. Print.

Busse, Matt D., P.H. Cochran, Gary O. Fiddler, William E. Hopkins, William H. Johnson, Alice W. Ratcliff, Gregg M. Riegel, and Carol J. Shestak. "Developing Resilient Ponderosa Pine Forests with Mechanical Thinning and Prescribed Fire in Central Oregon's Pumice Region." Canadian Journal of Forest Research 39.6 (2009): 1171. General OneFile. Web. 16 Sept. 2013.

Dickson, Tom. "Ponderosa Pine." Montana Fish Wildlife and Parks. Montana Outdoors, n.d. Web. 30 Sept. 2013.

Friederici, Peter. Ecological Restoration of Southwestern Ponderosa Pine Forests. Washington, D.C.: Island, 2003. Print.

Gilbertson, Robert L. Fungi That Decay Ponderosa Pine. Tucson: University of Arizona, 1974. Print.

Lang, Frank A. "Ponderosa Pine." Oregon Encyclopedia. Portland State University, 2008. Web. 16 Sept. 2013.

Moerman, Daniel E. Native American Ethnobotany. Timber Press: Portland, Oregon 1998  (410-412)

Snyder, Marc. "Interactions between Abert's Squirrel and Ponderosa Pine: The Relationship between Selective Herbivory and Host Plant Fitness." The American Naturalist. 6th ed. Vol. 141. Chicago: University of Chicago, 1993. 866-79. Print.

Van, Pelt Robert. Forest Giants of the Pacific Coast. Vancouver: Global Forest Society in Association with University of Washington, Seattle., n.d. Print.

Wennerberg, Sarah. "Ponderosa Pine." Plant Guide. USDA & NRCS, 29 July 2004. Web. 16 Sept. 2013. 

References for Photographs

Carlson, Paul. Ponderosa Pine Cones. N.d. Photograph. N.p.

Lawson & C.Lawson. Pinus Ponderosa. N.d. Photograph. USDA Natural Resources Conservation Service. USDA. Web.

National Park Service. Abert's Squirrel. 2008. Photograph. Wikimedia Commons. Web.

Oregon State University. Record Ponderosa Pine Found. N.d. Photograph. The Bulletin. A Western Communications Company, 14 Oct. 2013. Web.

Ruiz, Seb. Massive Ponderosa Pine Tree. 2007. Photograph. Tuolumne Meadows, California, US. State Symbols USA. State Symbols USA. Web. 

Siegmund, Walter. Pinus Ponderosa. 2005. Photograph. Klamath Marsh National Wildlife Refuge. Wikimedia Commons. 26 May 2013. Web.

Simmonson, M. Pacific Ponderosa Pine. 2007. Photograph. Lassen National Forest, California. Wikimedia Commons. Web.

Tactical Intelligence. Gathering and Processing Pine Nuts. N.d. Photograph. TacticalIntelligence.net. Web.