{"id":"S85085541","label":"Mine timbering","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85085541","normalized_label":"mine timbering","broader":["http://id.loc.gov/authorities/subjects/sh85057450","http://id.loc.gov/authorities/subjects/sh85085712","http://id.loc.gov/authorities/subjects/sh85147887"],"aliases":["Timbering of mines"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85085541","provider":"lcsh","revision":"fe900b984d9f7a72","taxonomy_revision":"f050b5d4780b1289","title":"Mine timbering","url":"/topics/S85085541","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9513933394841830916","address_version":"morton4x16-v1","coordinates":[0,20,18741,37888],"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}