{"id":"S2002000642","label":"Labyrinth weirs","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2002000642","normalized_label":"labyrinth weirs","broader":["http://id.loc.gov/authorities/subjects/sh85145985"],"aliases":["Labyrinth spillways","Labyrinth weir spillways","Spillways, Labyrinth"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2002000642","provider":"lcsh","revision":"5e363863c2e72f25","taxonomy_revision":"f050b5d4780b1289","title":"Labyrinth weirs","url":"/topics/S2002000642","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"289497022778729986","address_version":"morton4x16-v1","coordinates":[0,477,20588,2048],"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}