3 resultsYou searched for: Subject: Structures✖Subject: Places✖Subject: Hydraulic✖TableGridIndex TitleTypeSubjectCreatorDatePlaceRightsDescription Refine Your SearchRefine Your SearchSubjectPlaces✖LakeStructures✖Hydraulic✖DamTypeDocument (1)Image (2)PlaceNortheast HarborDate1930s (2)1970s (1)ContributorNortheast Harbor LibraryBBlueprint for raising Lower Hadlock Pond DamLLower Hadlock Pond DamUUpper Hadlock Pond