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By: Farris, Marion. - Appleby, James E. - North Central Forest Experiment Station (Saint Paul, Minn.)Edition:Publication info: St. Paul, Minn, North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1978Volume: 1978Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: