{"id":"S2006003225","label":"Limestone mines and mining","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2006003225","normalized_label":"limestone mines and mining","broader":["http://id.loc.gov/authorities/subjects/sh85077019","http://id.loc.gov/authorities/subjects/sh85085614"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2006003225","provider":"lcsh","revision":"1bce16ece53716ff","taxonomy_revision":"f050b5d4780b1289","title":"Limestone mines and mining","url":"/topics/S2006003225","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900733129852346912","address_version":"morton4x16-v1","coordinates":[0,478,17592,25600],"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}