{"id":"S2004009539","label":"Operation Big Spring, 1967","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2004009539","normalized_label":"operation big spring, 1967","broader":["http://id.loc.gov/authorities/subjects/sh85143280"],"aliases":["Big Spring, Operation, 1967"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2004009539","provider":"lcsh","revision":"fc4cdff307340f6f","taxonomy_revision":"f050b5d4780b1289","title":"Operation Big Spring, 1967","url":"/topics/S2004009539","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4900136598122947078","address_version":"morton4x16-v1","coordinates":[0,477,51977,3072],"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}