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By: Stewart, William S. - Wilken, Dieter H.Type: ArticleIn: Lasca leavesVolume: 16Series:Issue: Autumn 1966Date: 1966Page Range: 84-85Publication Info: Arcadia, Calif, California Arboretum Foundation, 1950-1976Subjects: Shade trees -- California, Southern Smog Trees in cities -- California, Southern