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Please read BHL's Acknowledgment of Harmful Content
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  1. Type: Article
    In: Arboreta and botanic gardens : a publication of the Los Angeles County Department of Arboreta and Botanic Gardens
    Volume: 2
    Issue: 4
    Date: 1990
    Page Range: 3
    Publication Info: Arcadia, CA, California Arboretum Foundation, 1989-
    Subjects: Arboretum of Los Angeles County -- Equipment and s  Mulching  Organic wastes -- Recycling  Productivity -- Awards