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    June Twilight Tour

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    About Us

    The Long Island Arboricultural Association (LIAA) is a non-profit educational organization dedicated to education for the appreciation and care of shade trees and shrubs on Long Island.

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    Sponsorship Opportunities

    LIAA invites all members and supporters to participate in our Sponsorship program. These sponsorships help offset the increasing costs of providing one of the largest one-day program devoted to arboriculture in the Northeast, the Long Island Arboricultural Association's Annual Tree Symposium.

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