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By: Lundgren, Allen L. - Wambach, Robert F., - Lake States Forest Experiment Station (Saint Paul, Minn.)Edition:Publication info: St. Paul, Minn, Lake States Forest Experiment Station, U.S. Dept. of Agriculture, [1963]Volume: no.20Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: