{"id":"S95010355","label":"Sand and gravel mines and mining","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh95010355","normalized_label":"sand and gravel mines and mining","broader":["http://id.loc.gov/authorities/subjects/sh85085614"],"aliases":["Gravel mines and mining"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh95010355","provider":"lcsh","revision":"61a1d533a3617329","taxonomy_revision":"f050b5d4780b1289","title":"Sand and gravel mines and mining","url":"/topics/S95010355","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14429687413746319904","address_version":"morton4x16-v1","coordinates":[0,22,42744,52224],"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}