<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chappelka, Arthur H</style></author><author><style face="normal" font="default" size="100%">Somers, Greg L</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Temporal Patterns of Foliar Ozone Smptoms on Tall Milkweed (Asclepias exaltata L.) in Great Smoky Mountains National Park</style></title><secondary-title><style face="normal" font="default" size="100%">Environmental Pollution</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Air quality</style></keyword><keyword><style  face="normal" font="default" size="100%">Ecosystem</style></keyword><keyword><style  face="normal" font="default" size="100%">Flora</style></keyword><keyword><style  face="normal" font="default" size="100%">Topography</style></keyword><keyword><style  face="normal" font="default" size="100%">Trails</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2007</style></year><pub-dates><date><style  face="normal" font="default" size="100%">October</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">149</style></volume><pages><style face="normal" font="default" size="100%">358-365</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">3</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Girardot, Steven P</style></author><author><style face="normal" font="default" size="100%">Ryan, P. Barry</style></author><author><style face="normal" font="default" size="100%">Smith, Susan M</style></author><author><style face="normal" font="default" size="100%">Davis, Wayne T</style></author><author><style face="normal" font="default" size="100%">Hamilton, Charles B</style></author><author><style face="normal" font="default" size="100%">Obenour, Richard A</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author><author><style face="normal" font="default" size="100%">Tromatore, Kimberly A</style></author><author><style face="normal" font="default" size="100%">Reed, Gregory D</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Ozone and PM2.5 Exposure and Acute Pulmonary Health Effects: A Study of Hikers in the Great Smoky Mountains National Park</style></title><secondary-title><style face="normal" font="default" size="100%">Environmental Health Perspectives</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Charlies Bunion</style></keyword><keyword><style  face="normal" font="default" size="100%">Health</style></keyword><keyword><style  face="normal" font="default" size="100%">Hiking</style></keyword><keyword><style  face="normal" font="default" size="100%">Tourism</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2006</style></year><pub-dates><date><style  face="normal" font="default" size="100%">July</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">114</style></volume><pages><style face="normal" font="default" size="100%">1044-1052</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">7</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Girardot, Steven P</style></author><author><style face="normal" font="default" size="100%">Tromatore, Kimberly A</style></author><author><style face="normal" font="default" size="100%">Lam, Yun F</style></author><author><style face="normal" font="default" size="100%">Malone, Ryan W</style></author><author><style face="normal" font="default" size="100%">Atterholt, Cynthia A</style></author><author><style face="normal" font="default" size="100%">Davis, Wayne T</style></author><author><style face="normal" font="default" size="100%">Hamilton, Charles B</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author><author><style face="normal" font="default" size="100%">Ryan, P. Barry</style></author><author><style face="normal" font="default" size="100%">Smith, Susan M</style></author><author><style face="normal" font="default" size="100%">Reed, Gregory D</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Preliminary Findings From the Great Smoky Mountains National Park Air Quality and Hiker Health Study</style></title><secondary-title><style face="normal" font="default" size="100%">Epidemiology</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Air quality</style></keyword><keyword><style  face="normal" font="default" size="100%">Charlies Bunion</style></keyword><keyword><style  face="normal" font="default" size="100%">Hiking</style></keyword><keyword><style  face="normal" font="default" size="100%">Pollution</style></keyword><keyword><style  face="normal" font="default" size="100%">Tourism</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2004</style></year><pub-dates><date><style  face="normal" font="default" size="100%">July</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">15</style></volume><pages><style face="normal" font="default" size="100%">S216-S216</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">4</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chappelka, Arthur H</style></author><author><style face="normal" font="default" size="100%">Neufeld, Howard S</style></author><author><style face="normal" font="default" size="100%">Davison, Alan W</style></author><author><style face="normal" font="default" size="100%">Somers, Greg L</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Ozone Injury on Cutleaf Coneflower (Rudbeckia laciniata) and Crown-Beard (Verbesina occidentalis) in Great Smoky Mountains National Park</style></title><secondary-title><style face="normal" font="default" size="100%">Environmental Pollution</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Air quality</style></keyword><keyword><style  face="normal" font="default" size="100%">Cherokee Orchard</style></keyword><keyword><style  face="normal" font="default" size="100%">Clingmans Dome</style></keyword><keyword><style  face="normal" font="default" size="100%">Flora</style></keyword><keyword><style  face="normal" font="default" size="100%">Pollution</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2003</style></year></dates><volume><style face="normal" font="default" size="100%">125</style></volume><pages><style face="normal" font="default" size="100%">53-59</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">1</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Neufeld, Howard S</style></author><author><style face="normal" font="default" size="100%">Lee, E. H</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author><author><style face="normal" font="default" size="100%">Hacker, W. David</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Seedling Insensitivity to Ozone for Three Conifer Species Native to Great Smoky Mountains National Park</style></title><secondary-title><style face="normal" font="default" size="100%">Environmental Pollution</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Air quality</style></keyword><keyword><style  face="normal" font="default" size="100%">Flora</style></keyword><keyword><style  face="normal" font="default" size="100%">Forests</style></keyword><keyword><style  face="normal" font="default" size="100%">Hemlocks</style></keyword><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword><keyword><style  face="normal" font="default" size="100%">Pollution</style></keyword><keyword><style  face="normal" font="default" size="100%">Trees -- Growth</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2000</style></year></dates><volume><style face="normal" font="default" size="100%">108</style></volume><pages><style face="normal" font="default" size="100%">141-151</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">2</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chappelka, Arthur H</style></author><author><style face="normal" font="default" size="100%">Skelly, John M</style></author><author><style face="normal" font="default" size="100%">Somers, Greg L</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author><author><style face="normal" font="default" size="100%">Hildebrand, Elisabeth</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Mature Black Cherry Used as a Bioindicator of Ozone Injury</style></title><secondary-title><style face="normal" font="default" size="100%">Water, Air, and Soil Pollution</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Black cherry</style></keyword><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword><keyword><style  face="normal" font="default" size="100%">Pollution</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1999</style></year><pub-dates><date><style  face="normal" font="default" size="100%">November</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">Springer</style></publisher><volume><style face="normal" font="default" size="100%">116</style></volume><pages><style face="normal" font="default" size="100%">261-266</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">1-2</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chappelka, Arthur H</style></author><author><style face="normal" font="default" size="100%">Somers, Greg L</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Visible Ozone Injury on Forest Trees in Great Smoky Mountains National Park, USA</style></title><secondary-title><style face="normal" font="default" size="100%">Water Air and Soil Pollution</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Cove Mountain</style></keyword><keyword><style  face="normal" font="default" size="100%">Ecosystem</style></keyword><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1999</style></year><pub-dates><date><style  face="normal" font="default" size="100%">November</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.springerlink.com/content/j014vr70431r11t7/</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">116</style></volume><pages><style face="normal" font="default" size="100%">255-260</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">1-2</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chappelka, Arthur H</style></author><author><style face="normal" font="default" size="100%">Somers, Greg L</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author><author><style face="normal" font="default" size="100%">Rosseau, P.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Empirical Evidence of Growth Decline Related to Visible Ozone Injury</style></title><secondary-title><style face="normal" font="default" size="100%">Forest Ecology and Management</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Black cherry</style></keyword><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword><keyword><style  face="normal" font="default" size="100%">Poplars</style></keyword><keyword><style  face="normal" font="default" size="100%">Trees -- Growth decline</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1998</style></year><pub-dates><date><style  face="normal" font="default" size="100%">May 12</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">Elsevier</style></publisher><volume><style face="normal" font="default" size="100%">104</style></volume><pages><style face="normal" font="default" size="100%">129</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">1-3</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chappelka, Arthur H</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author><author><style face="normal" font="default" size="100%">Somers, Greg L</style></author><author><style face="normal" font="default" size="100%">Nash, Bruce</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Evaluation of Ozone Injury on Foliage of Black Cherry (Prunus serotina) and Tall Milkweed (Asclepias exaltata) in Great Smoky Mountains National Park</style></title><secondary-title><style face="normal" font="default" size="100%">Environmental Pollution</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Air quality</style></keyword><keyword><style  face="normal" font="default" size="100%">Flora</style></keyword><keyword><style  face="normal" font="default" size="100%">Forests</style></keyword><keyword><style  face="normal" font="default" size="100%">Pollution</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1997</style></year></dates><volume><style face="normal" font="default" size="100%">95</style></volume><pages><style face="normal" font="default" size="100%">13-18</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">1</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Evans, Lance S</style></author><author><style face="normal" font="default" size="100%">Adamski, John H</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Relationships between Cellular Injury, Visible Injury of Leaves, and Ozone Exposure Levels for Several Dicotyledonous Plant Species at Great Smoky Mountains National Park</style></title><secondary-title><style face="normal" font="default" size="100%">Environmental and Experimental Botany</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Air pollution</style></keyword><keyword><style  face="normal" font="default" size="100%">Blackberries</style></keyword><keyword><style  face="normal" font="default" size="100%">Fauna</style></keyword><keyword><style  face="normal" font="default" size="100%">Flowering plants</style></keyword><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword><keyword><style  face="normal" font="default" size="100%">Sassafras</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1996</style></year></dates><publisher><style face="normal" font="default" size="100%">Elsevier</style></publisher><volume><style face="normal" font="default" size="100%">36</style></volume><pages><style face="normal" font="default" size="100%">229-237</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">2</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Neufeld, Howard S</style></author><author><style face="normal" font="default" size="100%">Lee, E. Henry</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author><author><style face="normal" font="default" size="100%">Hacker, W. David</style></author><author><style face="normal" font="default" size="100%">Yu, Ben-Hui</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Sensitivity of Seedlings of Black Cherry (Prunus serotina Ehrh.) to Ozone in Great Smoky Mountains National Park. I. Exposure-Response Curves for Biomass</style></title><secondary-title><style face="normal" font="default" size="100%">New Phytologist</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword><keyword><style  face="normal" font="default" size="100%">Trees -- Growth</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1995</style></year><pub-dates><date><style  face="normal" font="default" size="100%">July</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">130</style></volume><pages><style face="normal" font="default" size="100%">447-459</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">3</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>27</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Neufeld, Howard S</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Sensitivity of Sycamore Seedlings (Platanus occidentalis) to Ozone in Great Smoky Mountains National Park Data from 1989</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Air pollution</style></keyword><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword><keyword><style  face="normal" font="default" size="100%">Trees</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1993</style></year><pub-dates><date><style  face="normal" font="default" size="100%">December</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">U. S. Department of the Interior, National Park Service</style></publisher><isbn><style face="normal" font="default" size="100%">Technical Report NPS/NRTR-93/131</style></isbn><language><style face="normal" font="default" size="100%">eng</style></language></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>10</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chappelka, Arthur H</style></author><author><style face="normal" font="default" size="100%">Hildebrand, Elisabeth</style></author><author><style face="normal" font="default" size="100%">Skelly, John M</style></author><author><style face="normal" font="default" size="100%">Mangis, Deborah</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Effects of the Ambient Ozone Concentrations on Mature Eastern Hardwood Trees Growing in Great Smoky Mountains</style></title><secondary-title><style face="normal" font="default" size="100%">85th Annual Meeting and Exhibition, Air and Waste Management Association</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Air quality</style></keyword><keyword><style  face="normal" font="default" size="100%">Hardwood forests</style></keyword><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1992</style></year><pub-dates><date><style  face="normal" font="default" size="100%">June 21-26</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Kansas City, Missouri</style></pub-location><language><style face="normal" font="default" size="100%">eng</style></language><notes><style face="normal" font="default" size="100%">Chappelka is from Auburn University, Hildebrand and Skelly are from Penn State, Mangis is from National Park Service, Lakewood, Colorado, Renfro is from National Park Service, Gatlinburg</style></notes></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hacker, W. David</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Great Smoky Mountains Plants Studies for Ozone Sensitivity</style></title><secondary-title><style face="normal" font="default" size="100%">Park Science:  A Resource Management Bulletin</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Air pollution</style></keyword><keyword><style  face="normal" font="default" size="100%">Flora</style></keyword><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1992</style></year><pub-dates><date><style  face="normal" font="default" size="100%">Winter</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">12</style></volume><pages><style face="normal" font="default" size="100%">6-7</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">1</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>10</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chappelka, Arthur H</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Ozone Biomonitoring Trend Plots and Surveys in Great Smoky Mountains National Park</style></title><secondary-title><style face="normal" font="default" size="100%">Third Annual Southern Appalachian Man and the Biosphere Conference</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Air pollution</style></keyword><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword><keyword><style  face="normal" font="default" size="100%">Trees -- Growth decline</style></keyword><keyword><style  face="normal" font="default" size="100%">Vegetation monitoring</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1992</style></year><pub-dates><date><style  face="normal" font="default" size="100%">November</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">Tennessee Valley Authority</style></publisher><pub-location><style face="normal" font="default" size="100%">Gatlinburg, TN</style></pub-location><pages><style face="normal" font="default" size="100%">45</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>10</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hacker, W. David</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author><author><style face="normal" font="default" size="100%">Neufeld, Howard S</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Sensitivity of Native Plant Species to Elevated Levels of Ozone</style></title><secondary-title><style face="normal" font="default" size="100%">Third Annual Southern Appalachian Man and the Biosphere Conference</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Flora</style></keyword><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword><keyword><style  face="normal" font="default" size="100%">Pollution</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1992</style></year><pub-dates><date><style  face="normal" font="default" size="100%">November</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">Tennessee Valley Authority</style></publisher><pub-location><style face="normal" font="default" size="100%">Gatlinburg, TN</style></pub-location><pages><style face="normal" font="default" size="100%">24</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>10</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hacker, W. David</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Ozone Response of Selected Plant Species from the Great Smoky Mountains National Park</style></title><secondary-title><style face="normal" font="default" size="100%">First Annual Southern Appalachian Man and the Biosphere Conference</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Air pollution</style></keyword><keyword><style  face="normal" font="default" size="100%">Flora</style></keyword><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1990</style></year><pub-dates><date><style  face="normal" font="default" size="100%">November</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">Tennessee Valley Authority</style></publisher><pub-location><style face="normal" font="default" size="100%">Gatlinburg, TN</style></pub-location><pages><style face="normal" font="default" size="100%">40</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>27</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Renfro, James R</style></author><author><style face="normal" font="default" size="100%">Van Cleave, Becki</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">An Evaluation of the Backcountry Camping Permit System for 1983 and 1986 at Great Smoky Mountains National Park</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Backpacking</style></keyword><keyword><style  face="normal" font="default" size="100%">Camping</style></keyword><keyword><style  face="normal" font="default" size="100%">Tourism</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1989</style></year><pub-dates><date><style  face="normal" font="default" size="100%">April</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://diglib.lib.utk.edu/dotsdata/Renfro_AnEvaluationOfTheBackcountryCampingPermitSystemsFor1983And1986_1989.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Uplands Field Research Laboratory, Great Smoky Mountains National Park</style></publisher><pub-location><style face="normal" font="default" size="100%">Gatlinburg, TN</style></pub-location><language><style face="normal" font="default" size="100%">eng</style></language></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>27</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Peine, John Douglas</style></author><author><style face="normal" font="default" size="100%">Renfro, James R</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Visitor Use Patterns at Great Smoky Mountains National Park</style></title><secondary-title><style face="normal" font="default" size="100%">Research/Resources Management Report</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Economy</style></keyword><keyword><style  face="normal" font="default" size="100%">Tourism</style></keyword><keyword><style  face="normal" font="default" size="100%">Tourism -- Environmental impacts</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1988</style></year><pub-dates><date><style  face="normal" font="default" size="100%">August</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://archive.org/details/visitorusepatter00pein</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Uplands Field Research Laboratory</style></publisher><pub-location><style face="normal" font="default" size="100%">Gatlinburg, TN</style></pub-location><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>