Virginia Cooperative ExtensionAppleton, Bonnie Lee, 1948-2012Koci, Joel2013-07-302013-07-302000http://hdl.handle.net/10919/23480[3] pagesapplication/pdfen-USVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.LD5655 .A762 no.430Trees -- Effect of air pollution onExtension publication46637960