{"id":"S89003957","label":"Corn--Effect of pollution on","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh89003957","normalized_label":"corn--effect of pollution on","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh89003957","provider":"lcsh","revision":"491676e86b770a02","taxonomy_revision":"f050b5d4780b1289","title":"Corn--Effect of pollution on","url":"/topics/S89003957","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9821304052292929090","address_version":"morton4x16-v1","coordinates":[0,21,14430,54272],"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}