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        <FormAndLineReferenceDesc>FORM 990 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CASTINE HISTORICAL SOCIETY COLLECTS, PRESERVES AND EXHIBITS MATERIALS THAT ILLUMINATE THE RICH HISTORY OF THE CASTINE - BAGADUCE RIVER AREA AND, THROUGH IT, THAT OF NEW ENGLAND AND AMERICA, FROM PRE-COLONIAL TIMES TO THE PRESENT. IN DOING SO, THE SOCIETY SEEKS TO ENGAGE RESIDENTS AND VISITORS OF ALL AGES IN THE EXPLORATION AND STEWARDSHIP OF CASTINE'S DIVERSE HISTORICAL RESOURCES.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI</FormAndLineReferenceDesc>
        <ExplanationTxt>A NEW WHISTLEBLOWER POLICY, INTENDED TO ENCOURAGE AND ENABLE CHS BOARD, OFFICERS, STAFF, VOLUNTEERS, AND SOCIETY MEMBERS TO RAISE SERIOUS CONCERNS WITHIN CHS BEFORE SEEKING RESOLUTION OUTSIDE CHS APPROVED BY GOVERNANCE COMMITTEE 4/15/21 AND APPROVED BY BOARD OF DIRECTORS__5/20/21_</ExplanationTxt>
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        <ExplanationTxt>COPIES KEPT ON SITE.INDIVIDUALS MAY REVIEW ON SITE OR BE PROVIDED WITH A PHOTOCOPY UPON REQUEST.</ExplanationTxt>
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</Return>
