{"id":"S2021006992","label":"Drinking water--Barium content","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2021006992","normalized_label":"drinking water--barium content","broader":["http://id.loc.gov/authorities/subjects/sh85011853","http://id.loc.gov/authorities/subjects/sh85039600"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2021006992","provider":"lcsh","revision":"49d1e71d551cb472","taxonomy_revision":"f050b5d4780b1289","title":"Drinking water--Barium content","url":"/topics/S2021006992","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5477573424767582274","address_version":"morton4x16-v1","coordinates":[0,481,55418,16384],"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}