{"id":"S85028734","label":"Columbia Dam (Tenn.)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85028734","normalized_label":"columbia dam (tenn.)","broader":["http://id.loc.gov/authorities/subjects/sh85035612"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85028734","provider":"lcsh","revision":"2a95b2dbb1b9f683","taxonomy_revision":"f050b5d4780b1289","title":"Columbia Dam (Tenn.)","url":"/topics/S85028734","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126488915935643140","address_version":"morton4x16-v1","coordinates":[0,20,17853,63488],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}