{"id":"S91001338","label":"Potomac River Estuary","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh91001338","normalized_label":"potomac river estuary","broader":["http://id.loc.gov/authorities/subjects/sh91001263","http://id.loc.gov/authorities/subjects/sh91001279","http://id.loc.gov/authorities/subjects/sh91001281"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh91001338","provider":"lcsh","revision":"12b7554ed11ed45b","taxonomy_revision":"f050b5d4780b1289","title":"Potomac River Estuary","url":"/topics/S91001338","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14466828915454379590","address_version":"morton4x16-v1","coordinates":[0,21,45639,59392],"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}