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Twentieth Century Changes in the Climate Response of Yellow Pines in Great Smoky Mountains National park, Tennessee, U.S.A.. Knoxville, TN: University of Tennessee, 2009.
The Ultimate Guide to Digital Nature Photography. Mountain Trail Press, 2009.
"Unraveling the Phytovirus World of the Great Smoky Mountains National Park." Phytopathology 99, no. 6 (2009): S112.
"Up at the Purchase: Research Outpost Engages Scientists and Students Under Backdrop of the Smokies." Smoky Mountain Living 9, no. 3 (2009): 76-79.
"Using Heterozygosity to Estimate a Percentage DNA Sequence Similarity for Environmental Species' Delimitation Across Basidiomycete Fungi." New Phytologist 182, no. 4 (2009): 795-798.
"The View From Above." National Parks (2009).
"The View From Above." National Parks 83, no. 3 (2009): 24-29.
Visual Survey of the Sugarland Mountain Trail in Sevier County, Tennessee. Gatlinburg, TN: Great Smoky Mountains National Park, 2009.
A Walk for Sunshine : A 2,160-mile Expedition for Charity on the Appalachian Trail. Expanded 3rd ed. Cincinnati, OH: Dreams Shared Publications, 2009.
"When the Park Becomes a Classroom." Smoky Mountain Living 9, no. 3 (2009): 68-71.
"White Cap Memories." Smoky Mountain Historical Society Journal and Newsletter 35, no. 2 (2009): 10-11.
Wilderness in National Parks: Playground or Preserve. University of Washington Press, 2009.
A Window of Opportunity: Cades Cove and the National Park Service. Ithaca, NY: Cornell University, 2009.
"On the Wings of Death." Smokies Life Magazine 3, no. 2 (2009): 36-39.
World Environmental & Water Resources Congress 2009: Great Rivers. Electronic ed. American Society of Civil Engineers, 2009.
"Xiphinema bemardi n. sp (Nematoda: Longidoridae) from the Great Smoky Mountain National Park." Journal of Nematology 41, no. 2 (2009): 111-119.
"Age Structure and Spatial Patterning of Trillium Populations in Old-Growth Forests." Plant Ecology 199, no. 1 (2008): 43-54.
All Taxa Biodiversity Inventory In Subcommittee on National Parks of the Committee on Energy and Natural Resources. 110-2 ed. Washington, DC: U.S. G.P.O, 2008.
American Indian Places: A Historical Guidebook. Boston, MA: Houghton Mifflin Co., 2008.
Appalachian Trail Guide to North Carolina-Georgia : Including the Great Smoky Mountains National Park. 13th ed. Appalachian Trail Conservancy, 2008.
The Appalachian Trail Official Map. Chattahoochee National Forest: Springer Mountain to Bly Gap, Georgia. Appalachian Trail Conservancy, 2008.
Appalachian Trail official map. Damascus, Virginia to Indian Grave Gap, Tennessee, including Roan Highlands and Laurel Fork Falls. Harper's Ferry, West Virginia: Appalachian Trail Conservancy, 2008.
Appalachian Trail official map. Indian Grave Gap to Davenport Gap, including Max Patch and Big Bald . Harper's Ferry, West Virginia: Appalachian Trail Conservancy, 2008.
The Appalachian Trail Official Map. Nantahala National Forest: Bly Gap to Fontana Dam, North Carolina. Appalachian Trail Conservancy, 2008.















































