1 item foundYou searched for: Subject: Structures✖Subject: Hydraulic✖Type: Document✖TableGridIndex TitleTypeSubjectCreatorDatePlaceRightsDescription Refine Your SearchRefine Your SearchSubjectPlacesStructures✖Hydraulic✖DamTypeDocument✖ProjectionPlanPlaceNortheast HarborDate1930sContributorNortheast Harbor LibraryBBlueprint for raising Lower Hadlock Pond Dam