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By:Type: ArticleIn: LASCA miscellaneaVolume: 5Series:Issue:Date: 1957Page Range: 33-35Publication Info: Arcadia, Los Angeles State and County Arboretum ; Prepared for distribution by California Arboretum Foundation, Inc, 1953-Subjects: Arbor day -- California Museum of Science and Industry (Los Angeles, Calif Posadas Sacramento National Wildlife Refuge (Calif.)