1 item foundYou searched for: Date: 1930s✖Subject: Structures✖Subject: Hydraulic✖Type: Document✖TableGridIndex CreatorDatePlaceRightsSubjectTitleTypemodified date 102550100200 AllWith Images Refine Your SearchRefine Your SearchSubjectPlacesStructures✖Hydraulic✖DamTypeDocument✖ProjectionPlanPlaceNortheast HarborDate1930s✖ContributorNortheast Harbor Library Item nehl-3214Blueprint for raising Lower Hadlock Pond Dam Northeast Harbor Library