{"id":"S87005066","label":"Clay minerals--Iron content","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh87005066","normalized_label":"clay minerals--iron content","broader":["http://id.loc.gov/authorities/subjects/sh85068131"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh87005066","provider":"lcsh","revision":"675d97e832b398be","taxonomy_revision":"f050b5d4780b1289","title":"Clay minerals--Iron content","url":"/topics/S87005066","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4667070893087147584","address_version":"morton4x16-v1","coordinates":[0,20,48734,10240],"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}