{"id":"S98000490","label":"Sewage disposal plants--Retrofitting","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh98000490","normalized_label":"sewage disposal plants--retrofitting","broader":[],"aliases":["Retrofit of sewage disposal plants","Retrofitting of sewage disposal plants"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh98000490","provider":"lcsh","revision":"c92e6e68ef9b3f0f","taxonomy_revision":"f050b5d4780b1289","title":"Sewage disposal plants--Retrofitting","url":"/topics/S98000490","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9548972631462920742","address_version":"morton4x16-v1","coordinates":[0,23,23929,43008],"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}