{"id":"S86007136","label":"Iron ores--Geology","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh86007136","normalized_label":"iron ores--geology","broader":["http://id.loc.gov/authorities/subjects/sh85054037"],"aliases":["Iron geology","Iron ore geology"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh86007136","provider":"lcsh","revision":"fccfb40198efdd44","taxonomy_revision":"f050b5d4780b1289","title":"Iron ores--Geology","url":"/topics/S86007136","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13835058072533730820","address_version":"morton4x16-v1","coordinates":[0,20,33141,32768],"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}