{"id":"S85120493","label":"Sewage--Purification--Rotating disc process","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85120493","normalized_label":"sewage--purification--rotating disc process","broader":["http://id.loc.gov/authorities/subjects/sh85120462","http://id.loc.gov/authorities/subjects/sh85120466"],"aliases":["Rotating disc process (Sewage purification)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85120493","provider":"lcsh","revision":"046f09e8531c1559","taxonomy_revision":"f050b5d4780b1289","title":"Sewage--Purification--Rotating disc process","url":"/topics/S85120493","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9549962466801616452","address_version":"morton4x16-v1","coordinates":[0,20,19287,46080],"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}