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By: Hovermale, Ralph A. - Plucknett, William K. - Sears, Paul G.Type: ArticleIn: Transactions of the Kentucky Academy of ScienceVolume: 18Series:Issue: 2-3Date: 1957-08Page Range: 47--54Publication Info: [Lexington, Ky.], Kentucky Academy of Science, 1923-1997Subjects: