{"id":"S85114251","label":"Rivers--Aeration","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85114251","normalized_label":"rivers--aeration","broader":["http://id.loc.gov/authorities/subjects/sh85128564"],"aliases":["Aeration of rivers"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85114251","provider":"lcsh","revision":"16f3288e3c6b64bf","taxonomy_revision":"f050b5d4780b1289","title":"Rivers--Aeration","url":"/topics/S85114251","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324479351519577664","address_version":"morton4x16-v1","coordinates":[0,20,19190,11264],"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}