List of References

Riparian Zone:

Arizona-Sonora Desert Museum Newsletter; sonorensis, "Riparian Habitats," Tucson, Arizona; summer 1988.

Carr, John N.; Arizona Wildlife Viewing Guide; Falcon Press Publishing Co., Inc.; Helena, Montana; 1992.

The Nature Conservancy - Friends of Hassayampa; "Hassayampa River Preserve," Wickenburg, Arizona.

Lower Colorado River Valley:

Alden, Peter, Friederici, Peter; Cassie, Brian; Kahl, Jonathan D.W.; Leary, Patrick;Leventer, Amy; Zomlefer, Wendy B; National Audubon Society, Field Guide to the Southwestern States, Alfred A. Knopf; New York; 1999.

MacMahon, James A.; National Audubon Society Nature Guides: Deserts; Alfred A. Knopf; New York; 1985.

National Park Service, Department of the Interior; Organ Pipe National Monument Official Map and Guide; Ajo, Arizona; 2000.

U.S. Fish and Wildlife Service, Department of the Interior; Cabeza Prieta National Wildlife Refuge pamphlets (Amphibians and Reptiles, Balance in the Sonoran Desert, Birds, Desert Bighorn Sheep, El Camino del Diablo, and Mammals) and Kofa National Wildlife Refuge pamphlet; Ajo, Arizona; 2000.

Whitaker, John O.; National Audubon Society, Field Guide to North American Mammals; Alfred A. Knopf; New York; 1980.

Sonoran Desert Upland:

Alden, Peter, Friederici, Peter; Cassie, Brian; Kahl, Jonathan D.W.; Leary, Patrick;Leventer, Amy; Zomlefer, Wendy B; National Audubon Society, Field Guide to the Southwestern States, Alfred A. Knopf; New York; 1999.

MacMahon, James A.; National Audubon Society Nature Guides: Deserts; Alfred A. Knopf; New York; 1985.

National Park Service, Department of the Interior; Saguaro East National Monument Official Map and Guide; Tucson, Arizona; 2000.

Central Mountains:

Alden, Peter, Friederici, Peter; Cassie, Brian; Kahl, Jonathan D.W.; Leary, Patrick;Leventer, Amy; Zomlefer, Wendy B; National Audubon Society, Field Guide to the Southwestern States, Alfred A. Knopf; New York; 1999.

Elmore, Francis H.;Shrubs and Trees of the Southwest Uplands; Southwest Parks and Monuments Association; Tucson, Arizona; 1976.

National Park Service, Department of the Interior; Tuzigoot National Monument Official Map and Guide; Tuzigoot, Arizona; 2000.

National Park Service, Department of the Interior; Wupaki National Monument Official Map and Guide; Flagstaff, Arizona; 2000.

Canyonlands:

Alden, Peter, Friederici, Peter; Cassie, Brian; Kahl, Jonathan D.W.; Leary, Patrick;Leventer, Amy; Zomlefer, Wendy B; National Audubon Society, Field Guide to the Southwestern States, Alfred A. Knopf; New York; 1999.

Elmore, Francis H.;Shrubs and Trees of the Southwest Uplands; Southwest Parks and Monuments Association; Tucson, Arizona; 1976.

National Park Service, Department of the Interior; Glen Canyon Dam National Monument Official Map and Guide; Page, Arizona; 2000.

Life on a Sky Island:

Alden, Peter, Friederici, Peter; Cassie, Brian; Kahl, Jonathan D.W.; Leary, Patrick;Leventer, Amy; Zomlefer, Wendy B; National Audubon Society, Field Guide to the Southwestern States, Alfred A. Knopf; New York; 1999.

Arizona-Sonora Desert Museum Newsletter; sonorensis, "Mountain Habitats," Tucson, Arizona; summer 1989.

King, Philip; The Evolution of North America; Princeton University Press, Princeton, N.J.;1977.

MacMahon, James A.; National Audubon Society Nature Guides: Deserts; Alfred A. Knopf; New York; 1985.

U.S. Geological Survey; Status and Trends of the Nation's Biological Resources: Regional Trends in Biological Resources, Southwest Region.

Whitaker, John O.; National Audubon Society, Field Guide to North American Mammals; Alfred A. Knopf; New York; 1980.

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