{"id":"S94000118","label":"Groundwater--Air sparging","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh94000118","normalized_label":"groundwater--air sparging","broader":["http://id.loc.gov/authorities/subjects/sh85145448","http://id.loc.gov/authorities/subjects/sh85145521"],"aliases":["Air injection of groundwater","Air sparging of groundwater","Groundwater--Air injection"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh94000118","provider":"lcsh","revision":"38ab4db1666373b5","taxonomy_revision":"f050b5d4780b1289","title":"Groundwater--Air sparging","url":"/topics/S94000118","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10108540487112738404","address_version":"morton4x16-v1","coordinates":[0,22,26959,55296],"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}