{"id":"S85145519","label":"Groundwater--Pollution","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85145519","normalized_label":"groundwater--pollution","broader":["http://id.loc.gov/authorities/subjects/sh85104530"],"aliases":["Contamination of groundwater","Groundwater contamination","Groundwater pollution"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85145519","provider":"lcsh","revision":"6c19750450db7b17","taxonomy_revision":"f050b5d4780b1289","title":"Groundwater--Pollution","url":"/topics/S85145519","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9550107311352464960","address_version":"morton4x16-v1","coordinates":[0,20,19678,48128],"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}