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By: Finch, Deborah M. - Stangel, Peter W. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) - U.S. Fish and Wildlife ServiceEdition:Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, U.S. Dept. of Agriculture, [1993]Volume: no.229Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: