{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4300347","name":"BARNET PIT","status":"Abandoned","status_date":"2000-08-28","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"VT","county":"Caledonia","nearest_town":"?","operator_id":"L39226","operator_name":"Town Of Barnet","controller_id":"M39226","controller_name":"Town Of Barnet-VT","district":"M2","office":"Portsmouth NH Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":5,"registeredSources":20,"sourceRows":8},"relationships":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-13T11:19:05.459773+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"4300347","name":"BARNET PIT"},"operator":{"type":"operator","id":"L39226","name":"Town Of Barnet"},"controller":{"type":"controller","id":"M39226","name":"Town Of Barnet-VT"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L39226","name":"Town Of Barnet"},"object":{"type":"mine","id":"4300347","name":"BARNET PIT"},"validFrom":"1980-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4300347|L39226|1980-09-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M39226","name":"Town Of Barnet-VT"},"object":{"type":"mine","id":"4300347","name":"BARNET PIT"},"validFrom":"1980-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4300347|M39226|1980-09-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M39226","name":"Town Of Barnet-VT"},"object":{"type":"operator","id":"L39226","name":"Town Of Barnet"},"validFrom":"1980-09-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4300347","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4300347|L39226|1980-09-01|M39226|1980-09-01|168759"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2000-08-28","lastDate":"2000-08-28","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":1,"firstDate":"1980-09-01","lastDate":"1980-09-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":2,"firstDate":"2000-08-25","lastDate":"2001-09-27","metrics":{"inspectors":2,"recentRows":0,"onSiteHours":5,"inspectionHours":9,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"80688","EVENT_NO":"0752468","INSPECTION_BEGIN_DT":"09/27/2001","INSPECTION_END_DT":"09/27/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2001-09-27"},{"SOURCE_ROW_NUMBER":"728602","EVENT_NO":"0764888","INSPECTION_BEGIN_DT":"08/25/2000","INSPECTION_END_DT":"08/25/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2000-08-25"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000-Q3":{"hours":0,"employees":0,"production":0},"2000-Q2":{"hours":0,"employees":0,"production":0},"2000-Q1":{"hours":0,"employees":0,"production":0}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]}],"safety":{"href":"/api/v1/mines/4300347/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4300347/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4300347","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}