{"id":"S97005402","label":"Oil well drilling rigs--Evacuation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh97005402","normalized_label":"oil well drilling rigs--evacuation","broader":[],"aliases":["Evacuation of oil well drilling rigs","Oil well drilling rig evacuation"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh97005402","provider":"lcsh","revision":"7c829a524eb34d55","taxonomy_revision":"f050b5d4780b1289","title":"Oil well drilling rigs--Evacuation","url":"/topics/S97005402","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"630644686398572070","address_version":"morton4x16-v1","coordinates":[0,23,8381,26624],"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}