http://pec.lib.wvu.edu/record/P187111938The Removal of soot, deposited by smoke from industrial sources, on apples grown in the bottomlands along the Ohio River in the northern panhandle of West Virginia.<p> Journal article reprint from:<em> Proceedings of the American Society for Horticultural Science</em>, 1938.</p>Brown, Dillon S.Sudds, R. H.Apples--West Virginia.Soot.14256