{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3401076","name":"Milton Strip Mine","status":"Abandoned and Sealed","status_date":"1984-02-21","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"OK","county":"Le Flore","nearest_town":"Bokoshe","operator_id":"P00528","operator_name":"Dahlgren Contracting Inc","controller_id":"C12167","controller_name":"Roger E  Dahlgren","district":"M5","office":"Little Rock AR Field Office","employees":0,"latitude":9.833333,"longitude":-95},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":3},"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":"3401076","name":"Milton Strip Mine"},"operator":{"type":"operator","id":"P00528","name":"Dahlgren Contracting Inc"},"controller":{"type":"controller","id":"C12167","name":"Roger E  Dahlgren"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12167","name":"Roger E  Dahlgren"},"object":{"type":"mine","id":"3401076","name":"Milton Strip Mine"},"validFrom":"1975-09-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401076|C12167|1975-09-25|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00528","name":"Dahlgren Contracting Inc"},"object":{"type":"mine","id":"3401076","name":"Milton Strip Mine"},"validFrom":"1977-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401076|P00528|1977-12-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12167","name":"Roger E  Dahlgren"},"object":{"type":"operator","id":"P00528","name":"Dahlgren Contracting Inc"},"validFrom":"1977-12-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3401076","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401076|P00528|1977-12-01|C12167|1975-09-25|86269"}}],"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":"1984-02-21","lastDate":"1984-02-21","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":"1977-12-01","lastDate":"1977-12-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"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/3401076/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3401076/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":"3401076","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}