{"id":"S2009001783","label":"Industrial chimneys","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009001783","normalized_label":"industrial chimneys","broader":["http://id.loc.gov/authorities/subjects/sh85023968"],"aliases":["Commercial chimneys","Smokestacks"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009001783","provider":"lcsh","revision":"3ce764ac24ec7ea5","taxonomy_revision":"f050b5d4780b1289","title":"Industrial chimneys","url":"/topics/S2009001783","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14721361486589355552","address_version":"morton4x16-v1","coordinates":[0,478,64444,56320],"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}