{"id":"S86001979","label":"Denitrification","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh86001979","normalized_label":"denitrification","broader":["http://id.loc.gov/authorities/subjects/sh85112143"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh86001979","provider":"lcsh","revision":"ba21edaec3ebf324","taxonomy_revision":"f050b5d4780b1289","title":"Denitrification","url":"/topics/S86001979","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14447697155370124800","address_version":"morton4x16-v1","coordinates":[0,20,33060,60416],"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}