{"id":"S85119428","label":"Secondary recovery of oil","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85119428","normalized_label":"secondary recovery of oil","broader":["http://id.loc.gov/authorities/subjects/sh85094324"],"aliases":["Oil fields--Repressuring","Oil fields--Secondary recovery operations","Petroleum--Secondary recovery","Repressuring (Petroleum engineering)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85119428","provider":"lcsh","revision":"34000cce0e140c55","taxonomy_revision":"f050b5d4780b1289","title":"Secondary recovery of oil","url":"/topics/S85119428","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290552836834592324","address_version":"morton4x16-v1","coordinates":[0,20,19271,4096],"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}