{"id":"S2007006737","label":"Ballast water treatment facilities","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2007006737","normalized_label":"ballast water treatment facilities","broader":["http://id.loc.gov/authorities/subjects/sh2007001671"],"aliases":["Ballast water purification facilities"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2007006737","provider":"lcsh","revision":"7e0e9e2569b54dd4","taxonomy_revision":"f050b5d4780b1289","title":"Ballast water treatment facilities","url":"/topics/S2007006737","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5188155594309526048","address_version":"morton4x16-v1","coordinates":[0,478,33272,17408],"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}