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By: Skilling, Darroll D. - Lake States Forest Experiment Station (Saint Paul, Minn.)Edition:Publication info: St. Paul, Minn, Lake States Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, [1959]Volume: no.71Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Forests and forestry Swamp ecology WisconsinBHL Collections: