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Sensitivity of Native Plant Species to Elevated Levels of Ozone In Third Annual Southern Appalachian Man and the Biosphere Conference. Gatlinburg, TN: Tennessee Valley Authority, 1992.
Effects of Acidic Precipitation on the Soil Chemistry and Bioavailability of Aluminum, Manganese, and Copper. Oak Ridge, TN: Oak Ridge National Laboratory, 1990.
"Assessment of Forest Decline in the Southern Appalachian Spruce-Fir Forest, USA." In Air Pollution and Forest Decline: Proceedings of the 14th International Meeting for Specialists in Air Pollution Effects on Forest Ecosystems, International Union of Forest Research O, 239-44. Birmensdorf, Switzerland: Eidgenössische Anstalt für das forstliche Versuchswesen, 1989.
"Frost Hardiness of Picea rubens Growing in Spruce Decline Regions of the Appalachians." Tree Physiology 5, no. 1 (1989): 25-37.
"High Metal Contents Found in Fulico Septica (L.) Wiggers and Some Other Slime Molds (Myxomycetes)." Karstenia 29 (1989): 37-44.
"Parks in Peril: On a Clear Day, You Can't See Forever Anymore." The Amicus Journal 10, no. 1 (1988): 3-5.
Stand Characteristics Associated with Potential Decline of Spruce-Fir Forests in the Southern Appalachians In Proceedings of the US/FRG Research Symposium: Effects of Atmospheric Pollutants on the Spruce-Fir Forests of the Eastern United States and the Federal Republic of Germany. Burlington, VT: U.S.D.A. Forest Service, 1988.
Critique of a Newspaper Article Dealing With Forest Condition In Great Smoky Mountains National Park. Great Smoky Mountains National Park, Science Division, 1987.
"Lead in Vegetation, Forest Floor, and Soils of the Great Smoky Mountains National Park." Environment International 13, no. 3 (1987): 235-246.
"A Multivariate Analysis of Forest Communities in the Western Great Smoky Mountains National Park." American Midland Naturalist 118, no. 1 (1987): 107-120.
"Airborne Trace Elements in Great Smoky Mountains, Olympic, and Glacier National Parks." Environmental Science & Technology 19, no. 1 (1985): 27-35.
The Effect of Balsam Woolly Aphid Infestation on Fuel Levels in Spruce-Fir Forests of Great Smoky Mountains National Park. National Park Service -- Southeast Region, 1985.
Survey of Lead in Vegatation, Forest Floor, and Soila of the Great Smoky Mountains National Park In Environmental Sciences Division publication. Oak Ridge, TN: Oak Ridge National Laboratory , 1985.
"Trace Elements in Tree Rings: Evidence of Recent and Historical Air Pollution." Science 224, no. 4648 (1984): 494-497.
The Balsam Woolly Aphid and Spruce-Fir Forests: A Summary of Pertinent Information for the Great Smoky Mountains National Park Interpretation Staff and the Tremont Environmental Education Center Staff In The Uplands Field Research Laboratory Volunteer-in-Parks Interpretation of Science Project. Gatlinburg, TN: Great Smoky Mountains Natural History Association , 1983.
Southern Appalachian Lichens: An Indexed Bibliography In Research/Resources Management Report. Uplands Field Research Laboratory, 1983.
Southern Appalachian Lichens: An Indexed Bibliography. University of Tennessee, 1983.
"Disturbance and Recovery of Plant Communities in Great Smoky Mountains National Park: Successional Dynamics and Concepts of Naturalness." In Successional Research and Environmental Pollutant Monitoring Associated with Biosphere Reserves, edited by M. A. Hemstrom and Jerry F. Franklin, 42-79. Washington, DC: US National Committee for Man and the Biosphere, 1981.
Seventh Annual Scientific Research Meeting, Great Smoky Mountains National Park, June 25-26, 1981 In Annual Scientific Research Meeting-National Park Service, Southeast Region. Gatlinburg, TN: U.S. Department of the Interior, National Park Service, 1981.
Aluminum Mobilization in Acid Stream Environments, Great Smoky Mountains National Park, USA In Ecological Impact of Acid Precipitation. Sandefjord, Norway: SNSF Project, 1980.
Modeling Forest Dynamics of the Southern Appalachian Spruce-fir Ecosystem. Durham, NC: Duke University, 1980.
State of the Parks, May 1980: A Report to the Congress. Government Printing Office, 1980.
Great Smoky Mountains Preliminary Study for Biosphere Reserve Pollutant Monitoring. Las Vegas, Nev. : Environmental Monitoring Systems Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; Springfield, Va. : National Technical Information Service distributor , 1979.
How Clean Is Our Air?: An Assessment of Air Quality in the Tennessee Valley. Tennessee Valley Authority, 1979.
Preliminary Investigation of Light Scattering and Visibility in Two Eastern National Parks In Civil Engineering. Vol. Master of Science. Virginia Polytechnic Institute and State University, 1979.
