{"id":"S2001009520","label":"Oil pollution of groundwater","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2001009520","normalized_label":"oil pollution of groundwater","broader":["http://id.loc.gov/authorities/subjects/sh85094349","http://id.loc.gov/authorities/subjects/sh85145519"],"aliases":["Groundwater--Oil pollution"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2001009520","provider":"lcsh","revision":"ae5cf923ab00d0f9","taxonomy_revision":"f050b5d4780b1289","title":"Oil pollution of groundwater","url":"/topics/S2001009520","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9800958991428380166","address_version":"morton4x16-v1","coordinates":[0,477,5101,49152],"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}