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By: Patton, David R. - Scott, Virgil E. - Boeker, Erwin L. - 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, 1972Volume: no.88Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Chronophotography Photography, BiologicalBHL Collections: