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2011
Kirkwood, Scott. "Breathe it in." National Parks 85, no. 3 (2011): 10-11.
2003
Nichols, Becky J.. "Great Smokies Species Numbers Continue to Climb." In Natural Resource Year in Review - 2002: A Portrait of the Year in Natural Resource Stewardship and Science in the National Park System, edited by Natural Resource Information Division, 20. Washington, D.C.: National Park Service, 2003.
Himot, Kate. "Ten Most Endangered." National Parks 77, no. 3-4 (2003): 24-25.
2002
Jeffords, James M.. "The Clean Air Challenge." National Parks 76, no. 11-12 (2002): 16-17.
Ayers, Harvard, and Joy Oakes. Code Red: America's Five Most Polluted National Parks. Appalachian Voices, National Parks Conservation Association, Our Children's Earth Foundation, 2002.
Wilkinson, Todd. "Losing the Forest and the Trees." National Parks 76, no. 11-12 (2002): 18-22.

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