@article {6169, title = {A Study of Ambient Air Quality and Visibility in the Great Smoky Mountains National Park}, year = {1982}, month = {February}, pages = {218}, institution = {Virginia Polytechnic Institute and State University}, address = {Blacksburg, VA}, keywords = {Air pollution, Air quality, Ozone, Visibility}, issn = {Final report, Contract no. CX500081549}, author = {Thomas Stephens and David McCready} }