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By: Spring, Samuel N. (Samuel Newton), - United States. Forest Service.Edition:Publication info: Washington, D.C, G.P.O, 1906Volume: no.41Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Spring, Samuel N. (Samuel Newton),Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, Bureau of Forestry, 1905Volume: no.63Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: