{"id":"S2018002568-781","label":"Washington (State)--B Reactor National Historic Landmark","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2018002568-781","normalized_label":"washington (state)--b reactor national historic landmark","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2018002568-781","provider":"lcsh","revision":"5d8c5996cfb4c208","taxonomy_revision":"f050b5d4780b1289","title":"Washington (State)--B Reactor National Historic Landmark","url":"/topics/S2018002568-781","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"54043805986638018","address_version":"morton4x16-v1","coordinates":[0,481,8474,8974],"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}