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  1. Type: Article
    In: Newsletter Arboreta and Botanic Gardens
    Volume: 1972:May.10
    Date: 1972
    Page Range: 1
    Publication Info: Arcadia, County of Los Angeles, Public Services Division,
    Subjects: Air pollution -- Research  Hanson, George P  Thorne, Linda  Tree planting -- California -- Pasadena  
  2. Type: Article
    In: Newsletter Arboreta and Botanic Gardens
    Volume: 1972:Jun.10
    Date: 1972
    Page Range: 1
    Publication Info: Arcadia, County of Los Angeles, Public Services Division,
    Subjects: Addis, Dan  Berry, Wade L  Hanson, George P  Thorne, Linda  
  3. Type: Article
    In: Newsletter Arboreta and Botanic Gardens
    Volume: 1972:Nov.10
    Date: 1972
    Page Range: 1
    Publication Info: Arcadia, County of Los Angeles, Public Services Division,
    Subjects: Centennial celebrations -- California -- Pasadena  Heeb, Margaret  McCaskill, Jack  Thorne, Linda  
  4. Type: Article
    In: Newsletter Arboreta and Botanic Gardens
    Volume: 1974:Feb.10
    Date: 1974
    Page Range: 1
    Publication Info: Arcadia, County of Los Angeles, Public Services Division,
    Subjects: Hanson, George P  Petunias  Thorne, Linda  
  5. Type: Article
    In: Newsletter Arboreta and Botanic Gardens
    Volume: 1974:Jul.10
    Date: 1974
    Page Range: 1
    Publication Info: Arcadia, County of Los Angeles, Public Services Division,
    Subjects: American Institute of Biological Sciences. Botanic  Berry, Wade L  Ecological Society of America  Montgomery, Kenneth R  Thorne, Linda