{"id":"S87000648","label":"Cascade impactors (Meteorological instruments)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh87000648","normalized_label":"cascade impactors (meteorological instruments)","broader":["http://id.loc.gov/authorities/subjects/sh85084321","http://id.loc.gov/authorities/subjects/sh87000649"],"aliases":["Cascade impactometers (Meteorological instruments)","Impactometers, Cascade (Meteorological instruments)","Impactors, Cascade (Meteorological instruments)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh87000648","provider":"lcsh","revision":"3cc70f3c451a459b","taxonomy_revision":"f050b5d4780b1289","title":"Cascade impactors (Meteorological instruments)","url":"/topics/S87000648","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4666930155531682308","address_version":"morton4x16-v1","coordinates":[0,20,48665,8192],"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}