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Seasonal variation in nitrate reductase activity in needles of high-elevation red spruce trees." Canadian Journal of Forest Research 22, no. 3 (1992): 375-380.
"Soil Organic Carbon Dynamics along a Climatic Gradient in a Southern Appalachian Spruce-fir Forest." Canadian Journal of Forest Research 37, no. 7 (2007): 1161-1172.
"Soil Organic Carbon Dynamics Along a Climatic Gradient in a Southern Appalachian Spruce-Fir Forest." Canadian Journal of Forest Research 37, no. 7 (2007): 1161-1172.
"The Species-Area Relationship of the Southern Appalachian High Peaks: Vascular Plant Richness and Rare Plant Distributions." Castanea 49, no. 2 (1984): 47-61.
"Two Decades of Change in a Great Smoky Mountains Spruce-Fir Forest." Bulletin of the Torrey Botanical Club 115, no. 1 (1988): 25-31.
""A Great Smokies Park Botanical Discovery." National Parks 41, no. 232 (1967): 22.
Mountains of Color." National Parks 75, no. 9-10 (2001): 32-34.
"Birds of Appalachian Spruce-Fir Forests: Dynamics of Habitat-Island Communities In The Southern Appalachian Spruce-Fir Ecosystem: Its Biology and Threats. Gatlinburg, TN: Uplands Field Research Laboratory, 1984.
Changes in the Great Smoky Mountains Fraser Fir Forest (1990-2000) In Report to the Great Smoky Mountains National Park. Knoxville, TN: University of Tennessee, 2004.
Comments on the Fungi of the Spruce-Fir Forest of the Southern Appalachian Mountains In The Southern Appalachian Spruce-Fir Ecosystem: Its Biology and Threats. Gatlinburg, TN: Uplands Field Research Laboratory, 1984.
A Fractal Approach to Analysis of Tree Ring Increments In Analyses of Great Smoky Mountain Red Spruce Tree Ring Data. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Northern Research, 1988.
Herpetofauna of the Spruce-Fir Ecosystem in the Southern Appalachian Mountain Regions, With Emphasis on the Great Smoky Mountains National Park In The Southern Appalachian Spruce-Fir Ecosystem: Its Biology and Threats. Gatlinburg, TN: Uplands Field Research Laboratory, 1984.
History of Disturbance in Spruce-fir Forests of the SARRMC Intensive Study Sites -- Mt. Rogers National Recreation Area, Black Mountains, and Great Smoky Mountains. Southern Appalachian Spruce-fir Ecosystem Assessment Program, 1985.
Late-Quaternary History of the Spruce-Fir Ecosystem in the Southern Appalachian Mountain Region In The Southern Appalachian Spruce-Fir Ecosystem: Its Biology and Threats. Gatlinburg, TN: Uplands Field Research Laboratory, 1984.
Lead in Vegetation, Forest Floor Material, and Soils of the Spruce-Fir Zone, GSMNP In The Southern Appalachian Spruce-Fir Ecosystem: Its Biology and Threats. Gatlinburg, TN: Uplands Field Research Laboratory, 1984.
Mammals of the Spruce-Fir Forest in Great Smoky Mountains National Park In The Southern Appalachian Spruce-Fir Ecosystem: Its Biology and Threats. Gatlinburg, TN: Uplands Field Research Laboratory, 1984.
Preliminary Report No. 4: Balsam Woolly Aphid Detection Survey. Atlanta, GA: U.S. Forest Service, 1963.
Pre-Park Disturbance in the Spruce-Fir Forests of Great Smoky Mountains National Park In The Southern Appalachian Spruce-Fir Ecosystem: Its Biology and Threats. Gatlinburg, TN: Uplands Field Research Laboratory, 1984.
Recreational Impacts in the Southern Appalachian Spruce-Fir Ecosystem In The Southern Appalachian Spruce-Fir Ecosystem: Its Biology and Threats. Gatlinburg, TN: Uplands Field Research Laboratory, 1984.
Secondary Succession in the Spruce-Fir Forest of the Great Smoky Mountains National Park In Management Report. Atlanta, GA: National Park Service, Southeast Regional Office, 1976.
Soils in the Spruce-Fir Region of the Great Smoky Mountains In The Southern Appalachian Spruce-Fir Ecosystem: Its Biology and Threats. Gatlinburg, TN: Uplands Field Research Laboratory, 1984.
Southern Appalachian Red Spruce--Fraser Fir Forests In Analyses of Great Smoky Mountain Red Spruce Tree Ring Data. New Orleans, LA: U.S. Department of Agriculture, Forest Service,, 1988.
The Status of the Balsam Woolly Aphid in North Carolina and Tennessee. Asheville, NC: U.S. Forest Service, 1963.
Status of the Balsam Woolly Aphid in the Great Smoky Mountains National Park --- 1976 In Management Report. Gatlinburg, TN: Uplands Field Research Laboratory, 1976.
Status of the Balsam Woolly Aphid in the Southern Appalachians - 1966. Asheville, N.C.: U.S. Forest Service, 1967.