1 item foundYou searched for: Subject: Structures✖Subject: Dam✖Type: Document✖This SiteAll Sites TableGridIndex TitleTypeSubjectCreatorDatePlaceRightsDescription Refine Your SearchRefine Your SearchSubjectPlacesStructures✖HydraulicDam✖TypeDocument✖ProjectionPlanPlaceNortheast HarborDate1930sContributorNortheast Harbor LibraryBBlueprint for raising Lower Hadlock Pond Dam