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By: Horton, Jerome S. (Jerome Sweet), - Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)Edition:Publication info: Berkeley, Calif, Pacific Southwest Forest and Range Experiment Station, [1960]Volume: no.44Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: California Ecological zones Phytogeography Plants San Bernardino Mountains Vegetation classificationBHL Collections: