Elspeth
Aspen Island

References

Bowers, Janice Emily. The Mountains Next Door. Tucson: University of Arizona Press, 1991.

Petrides, George A. and Olivia. Western Trees. Boston: Houghton Mifflin Company, 1992.

Shaw, Daniel and Mary Stuever. Philmont Fieldguide. Philmont Scout Ranch, Cimarron, New Mexico: Boy Scouts of America, 1985.

Trimble, Stephen. The Sagebrush Ocean. Reno, Nevada: University of Nevada Press, 1989.

Tweit, Susan J. The Great Southwest Nature Factbook. Portland: Alaska Northwest Books, 1992.

U.S. Department of Agriculture. Trees Native to the Forests of Colorado. Durango, Colorado: San Juan Mountains Association, 1999.

Wheelwright, Jeff. "2002: The Year of Cloning." Discover, January 2003, pp. 28-31.

Zwinger, Ann. Beyond the Aspen Grove. Tucson: University of Arizona Press, 1981.

Zwinger, Ann and Barbara Sparks. Aspen: Blazon of the High Country. Salt Lake City: Peregrine Smith Books, 1991.



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