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Parks in Peril: On a Clear Day, You Can't See Forever Anymore." The Amicus Journal 10, no. 1 (1988): 3-5.
"Managing the Great Smoky Mountains National Park Biosphere Reserve for Biological Diversity." In Second US-USSR Symposium on Air Pollution Effects on Vegetation, 173-179. Great Smoky Mountains National Park, 1989.
"Atmospheric Pollutant Deposition to High Elevation Ecosystems." Atmospheric Environment 24A, no. 11 (1990): 2767-2776.
"Intensive 1-Month Investigation of Trace Metal Deposition and Throughfall at a Mountain Spruce Forest." Water, Air and Soil Pollution 53, no. 3/4 (1990): 213-226.
"Ozone Response of Selected Plant Species from the Great Smoky Mountains National Park In First Annual Southern Appalachian Man and the Biosphere Conference. Gatlinburg, TN: Tennessee Valley Authority, 1990.
Seasonal Patterns of Photosynthesis and Respiration of Red Spruce Saplings from Two Elevations in Declining Southern Appalachian Stands." Canadian Journal of Forest Research 20, no. 5 (1990): 485-495.
"Characteristics and Origins of Haze in the Continental United States." Earth-Science Reviews 33, no. 1 (1992): 1-36.
"The Effects of Stream Acidity on Benthic Invertebrate Communities in the South-Eastern United-States." Freshwater Biology 27, no. 2 (1992): 193-209.
"Great Smoky Mountains Plants Studies for Ozone Sensitivity." Park Science: A Resource Management Bulletin 12, no. 1 (1992): 6-7.
"Ozone Biomonitoring Trend Plots and Surveys in Great Smoky Mountains National Park In Third Annual Southern Appalachian Man and the Biosphere Conference. Gatlinburg, TN: Tennessee Valley Authority, 1992.
Clear: A Clearer Look at Eastern Air Resources. Denver, CO: National Park Service, 1993.
Sensitivity of Sycamore Seedlings (Platanus occidentalis) to Ozone in Great Smoky Mountains National Park Data from 1989. U. S. Department of the Interior, National Park Service, 1993.
Synchronic Large-scale Disturbances and Red Spruce Growth Decline." Canadian Journal of Forest Research 23 (1993): 1361-1374.
"Two Hundred Year Variation of Southern Red Spruce Radial Growth as Estimated by Spectral Analysis." Canadian Journal of Forest Research 23 (1993): 291-301.
"Characterization of Ambient Ozone Levels in the Great Smoky Mountains National Park." Journal of Applied Meteorology 33, no. 4 (1994): 465-472.
""Views Threatened at Two National Parks." National Parks 68, no. 11-12 (1994): 10-11.
Evaluating the Effectiveness of Air Quality Management within the Class I Area of Great Smoky Mountains National Park." Environmental Management 19, no. 4 (1995): 515-526.
"Final Report: Southeastern Aerosol and Visibility Study In SEAVS. Great Smoky Mountains National Park: National Park Service, Electric Power Research Institute, 1995.
"Fuel for Tomato Farm Imperils the Smokies." National Parks 69, no. 1-2 (1995): 18-19.
Air Pollution Issues Great Smoky Mountains National Park In EPA National Air Pollutant Emission Trends, 1990-1994., 1996.
Relationships between Cellular Injury, Visible Injury of Leaves, and Ozone Exposure Levels for Several Dicotyledonous Plant Species at Great Smoky Mountains National Park." Environmental and Experimental Botany 36, no. 2 (1996): 229-237.
""Tennessee Reneges on Agreement." National Parks 70, no. 5-6 (1996): 13-15.
On a Clear Day." National Parks 71, no. 11-12 (1997): 26-29.
"Seasonal Variations in Aerosol Composition and Acidity at Shenandoah and Great Smoky Mountains National Parks." Journal of the Air & Waste Management Association 47, no. 3 (1997): 411-418.
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