{"id":"S87004561","label":"Gas extraction","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh87004561","normalized_label":"gas extraction","broader":["http://id.loc.gov/authorities/subjects/sh85046579"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh87004561","provider":"lcsh","revision":"161057abb85ca0c6","taxonomy_revision":"f050b5d4780b1289","title":"Gas extraction","url":"/topics/S87004561","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5207370906976257600","address_version":"morton4x16-v1","coordinates":[0,20,48726,17408],"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}