{"id":"S85120498","label":"Sewage clarifiers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85120498","normalized_label":"sewage clarifiers","broader":["http://id.loc.gov/authorities/subjects/sh85120100","http://id.loc.gov/authorities/subjects/sh91006334"],"aliases":["Clarifiers, Sewage"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85120498","provider":"lcsh","revision":"7ac2666c7a8d3e5d","taxonomy_revision":"f050b5d4780b1289","title":"Sewage clarifiers","url":"/topics/S85120498","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088274563667723844","address_version":"morton4x16-v1","coordinates":[0,20,19287,51200],"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}