{"data":[{"jurisdictionTag":"county:30069","state":"MT","level":"county","geoid":"30069","fips":"30069","displayName":"Petroleum County","aliases":["Petroleum County","Petroleum"],"geometryKey":"PETROLEUM","source":"mt-counties.geojson","caveat":""}],"meta":{"generatedAt":"2026-09-27T22:46:21.941Z","source":"canonical-jurisdictions","releaseId":null,"schemaVersion":"1.0.0","rowCount":1,"hasMore":false,"limit":250,"offset":0,"total":1,"registryCountyEquivalentCount":3144,"contract":"county:<five-digit Census GEOID>"}}