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