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Along the Blue Ridge Parkway. Englewood, CO: Westcliffe Publishers, 1997.
North Carolina Reflections In North Carolina Little Books. Englewood, CO: Westcliffe Publishers, 1998.
North Carolina Wildflowers., 2000.
Great Smoky Mountain Impressions. Farcountry Press, 2002.
Air Quality In Great Smoky Mountains National Park management folio. rev. ed. Great Smoky Mountains Association, 2006.