{"id":"S2006005031","label":"Natural Tunnel (Va.)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2006005031","normalized_label":"natural tunnel (va.)","broader":["http://id.loc.gov/authorities/subjects/sh2006005907","http://id.loc.gov/authorities/subjects/sh99003653"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2006005031","provider":"lcsh","revision":"5f8a76156a58bc29","taxonomy_revision":"f050b5d4780b1289","title":"Natural Tunnel (Va.)","url":"/topics/S2006005031","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9514008154749675040","address_version":"morton4x16-v1","coordinates":[0,478,17620,39936],"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}