-
By: Hanson, George P. - Thorne, LindaType: ArticleIn: Lasca leavesVolume: 20Series:Issue:Date: 1970Page Range: 35-36Publication Info: Arcadia, Calif, California Arboretum Foundation, 1950-1976Subjects: Plants -- Effect of photochemical smog on Smog -- California -- Los Angeles County Tree planting -- California
-
By:Type: ArticleIn: Newsletter Arboreta and Botanic GardensVolume: 1973:Mar.10Series:Issue:Date: 1973Page Range: 1-2Publication Info: Arcadia, County of Los Angeles, Public Services Division,Subjects: Horticulture -- Adult education Horticulture -- Study and teaching (Elementary) -- Martin, Diane Tree planting -- California