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By: Stone, Robert N. - Thorne, Harry W. - Lake States Forest Experiment Station (Saint Paul, Minn.) - Wisconsin. Conservation Department.Edition:Publication info: Saint Paul, Minn, Lake States Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1961Volume: no.90Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: