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By: Cunningham, James B. (James Barry) - Balda, Russell P. (Russell Paul), - Gaud, William S. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)Edition:Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1980Volume: no.222Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: