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By:Type: ArticleIn: Newsletter Arboreta and Botanic GardensVolume: 1972:May.10Series:Issue:Date: 1972Page Range: 1-2Publication Info: Arcadia, County of Los Angeles, Public Services Division,Subjects: Anthony, Mark J Bird watching -- California -- La Canada Flintridg Compost Hill, Phyllis Insects -- Collection and preservation -- Californ Lewis, George Plants, Flowering of -- Flowering time