{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1516971","name":"Highsplint No 1","status":"Abandoned","status_date":"1992-06-09","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Harlan","nearest_town":"Highsplint","operator_id":"P14483","operator_name":"Cloverfork Mining & Excavating Inc","controller_id":"C00015","controller_name":"Benjamin R.  Bennett","district":"C07","office":"Harlan KY Field Office","employees":0,"latitude":36.9083,"longitude":-83.1111},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":4},"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":"1516971","name":"Highsplint No 1"},"operator":{"type":"operator","id":"P14483","name":"Cloverfork Mining & Excavating Inc"},"controller":{"type":"controller","id":"C00015","name":"Benjamin R.  Bennett"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00015","name":"Benjamin R.  Bennett"},"object":{"type":"mine","id":"1516971","name":"Highsplint No 1"},"validFrom":"1981-11-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516971|C00015|1981-11-03|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21140","name":"Louis Hamilton Coal Company"},"object":{"type":"mine","id":"1516971","name":"Highsplint No 1"},"validFrom":"1990-09-01","validTo":"1991-07-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516971|P21140|1990-09-01|1991-07-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14240","name":"Hamilton Louis"},"object":{"type":"mine","id":"1516971","name":"Highsplint No 1"},"validFrom":"1990-09-01","validTo":"1991-07-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516971|C14240|1990-09-01|1991-07-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14240","name":"Hamilton Louis"},"object":{"type":"operator","id":"P21140","name":"Louis Hamilton Coal Company"},"validFrom":"1990-09-01","validTo":"1991-07-09","current":false,"derived":true,"evidenceMineId":"1516971","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516971|P21140|1990-09-01|C14240|1990-09-01|92293"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14483","name":"Cloverfork Mining & Excavating Inc"},"object":{"type":"mine","id":"1516971","name":"Highsplint No 1"},"validFrom":"1991-07-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516971|P14483|1991-07-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00015","name":"Benjamin R.  Bennett"},"object":{"type":"operator","id":"P14483","name":"Cloverfork Mining & Excavating Inc"},"validFrom":"1991-07-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"1516971","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516971|P14483|1991-07-10|C00015|1981-11-03|43551"}}],"coverage":{"historyRecords":2,"edgeCount":6,"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":"1992-06-09","lastDate":"1992-06-09","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":2,"firstDate":"1990-09-01","lastDate":"1991-07-10","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":1},"periods":{},"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/1516971/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1516971/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":"1516971","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}