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By: Stewart, William S.Type: ArticleIn: Biennial reportVolume: 1959-61Series:Issue:Date: 1961Page Range: 11-15Publication Info: Los Angeles, Calif, Dept. of Arboreta & Botanic Gardens, 1959/61-Subjects: Environmental education -- California Garden tours -- California -- Arcadia Horticultural exhibitions -- California Los Angeles County (Calif.). Department of Arboret Los Angeles State and County Arboretum -- Tours Los Angeles State and County Arboretum. Library School field trips -- California