{"id":"S2005007943","label":"Operation Iron Mountain, 1969-1971","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2005007943","normalized_label":"operation iron mountain, 1969-1971","broader":["http://id.loc.gov/authorities/subjects/sh85143280"],"aliases":["Iron Mountain, Operation, 1969-1971"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2005007943","provider":"lcsh","revision":"6dfc6f3c3452dcf1","taxonomy_revision":"f050b5d4780b1289","title":"Operation Iron Mountain, 1969-1971","url":"/topics/S2005007943","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"2406033805173284","address_version":"morton4x16-v1","coordinates":[0,478,2041,7168],"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}