@article {6435,
	title = {Status of the Balsam Woolly Aphid Adelges piceae (Ratz.) in the Southern Appalachians-1972},
	year = {1973},
	month = {April},
	institution = {U.S. Forest Service},
	address = {Asheville, NC},
	keywords = {Fraser fir, Woolly adelgids},
	issn = {73-1-35},
	url = {http://diglib.lib.utk.edu/dotsdata/Ward_StatusOfTheBalsamWoollyAphidInTheSouthernAppalachians_1973.pdf},
	author = {Ward, J. D and Wilson, E. T and McDowell, W. E}
}
@article {11855,
	title = {Evaluation of Southern Pine Beetle Infestations on the Cheoah Ranger District, Nantahala National Forest, NC and Great Smoky Mountains National Park, NC and TN},
	year = {1971},
	pages = {16},
	publisher = {U.S. Department of Agriculture },
	chapter = {1-7},
	keywords = {Forests, Trees -- Diseases and pests},
	author = {Barry, Patrick J and Ward, James D and McDowell, W. E}
}
@article {6403,
	title = {An Evaluation of Southern Pine Beetle Infestations on the Great Smoky Mountains National Park},
	year = {1971},
	month = {October},
	institution = {U.S. Forest Service},
	address = {Asheville, NC},
	keywords = {Beetles, Fighting Creek, Fontana Lake, Trees -- Diseases and pests},
	issn = {72-1-14},
	url = {http://diglib.lib.utk.edu/dotsdata/Ward_AnEvaluationOfSouthernPineBeetleInfestationsOnTheGreatSmokyMountainsNationalPark_1971.pdf},
	author = {Ward, J. D and Wilson, E. T and McDowell, W. E}
}
@article {5659,
	title = {An Evaluation of Southern Pine Beetle Infestations, Great Smoky Mountains National Park in Tennessee and North Carolina},
	year = {1970},
	month = {March},
	publisher = {U.S. Forest Service},
	address = {Asheville, NC},
	keywords = {Aerial photographs, Beetles, Cades Cove, Fauna -- Population densities},
	issn = {Report No. 70-1-47},
	url = {http://archive.org/details/evaluationofsout00ward},
	author = {Ward, J. D and McDowell, W. E}
}
