{"id":"S85142910","label":"Vertical drains","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85142910","normalized_label":"vertical drains","broader":["http://id.loc.gov/authorities/subjects/sh85039296"],"aliases":["Drains, Vertical"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85142910","provider":"lcsh","revision":"c8280b30a75851d0","taxonomy_revision":"f050b5d4780b1289","title":"Vertical drains","url":"/topics/S85142910","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126559267499935236","address_version":"morton4x16-v1","coordinates":[0,20,19637,63488],"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}