{"id":"S94005347","label":"Sewage--Purification--Silver removal","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh94005347","normalized_label":"sewage--purification--silver removal","broader":["http://id.loc.gov/authorities/subjects/sh2002000615"],"aliases":["Silver removal (Sewage purification)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh94005347","provider":"lcsh","revision":"9fd85c91f688f631","taxonomy_revision":"f050b5d4780b1289","title":"Sewage--Purification--Silver removal","url":"/topics/S94005347","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9529836732099461668","address_version":"morton4x16-v1","coordinates":[0,22,27041,35840],"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}