@proceedings {6021, title = {Third Annual Scientific Research Meeting, June 23-24, 1977}, journal = {Annual Scientific Research Meeting-National Park Service, Southeast Region}, year = {1977}, month = {June}, publisher = {U.S. Department of the Interior, National Park Service}, address = {Gatlinburg, TN}, keywords = {Trail erosion, Vegetation monitoring, Water quality, Wild boars, Woolly adelgids} }