{"id":"S2023000799","label":"Oil reservoirs","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2023000799","normalized_label":"oil reservoirs","broader":["http://id.loc.gov/authorities/subjects/sh85100364","http://id.loc.gov/authorities/subjects/sh98006824"],"aliases":["Petroleum reservoirs","Petroleum systems"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2023000799","provider":"lcsh","revision":"84a2f91b4aa60dbf","taxonomy_revision":"f050b5d4780b1289","title":"Oil reservoirs","url":"/topics/S2023000799","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"904247442820579428","address_version":"morton4x16-v1","coordinates":[0,482,21035,31744],"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}