2 resultsYou searched for: Contributor: Northeast Harbor Library✖Date: 1930s✖Subject: Structures✖Subject: Hydraulic✖Subject: Dam✖TableGridIndex TitleTypeSubjectCreatorDatePlaceRightsDescription Refine Your SearchRefine Your SearchSubjectPlacesStructures✖Hydraulic✖Dam✖TypeDocument (1)Image (1)PlaceNortheast HarborDate1930s✖ContributorNortheast Harbor Library✖BBlueprint for raising Lower Hadlock Pond DamLLower Hadlock Pond Dam