{"data":{"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":"1518946","name":"Job #49"},"operator":{"type":"operator","id":"0193713","name":"Reckoning Reclamation,LLC."},"controller":{"type":"controller","id":"0182481","name":"James Eric  Davidson"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00286","name":"TECO Energy Inc"},"object":{"type":"mine","id":"1518946","name":"Job #49"},"validFrom":"1991-12-02","validTo":"2015-09-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|C00286|1991-12-02|2015-09-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C16024","name":"Ocie A  May"},"object":{"type":"mine","id":"1518946","name":"Job #49"},"validFrom":"2001-09-21","validTo":"2003-07-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|C16024|2001-09-21|2003-07-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042083","name":"Susan  Branham"},"object":{"type":"mine","id":"1518946","name":"Job #49"},"validFrom":"2003-07-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0042083|2003-07-14|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050005","name":"M and D Pipeline, Inc"},"object":{"type":"mine","id":"1518946","name":"Job #49"},"validFrom":"2005-11-23","validTo":"2006-05-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0050005|2005-11-23|2006-05-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042083","name":"Susan  Branham"},"object":{"type":"operator","id":"0050005","name":"M and D Pipeline, Inc"},"validFrom":"2005-11-23","validTo":"2006-05-15","current":false,"derived":true,"evidenceMineId":"1518946","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0050005|2005-11-23|0042083|2003-07-14|3655"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C16024","name":"Ocie A  May"},"object":{"type":"operator","id":"0050005","name":"M and D Pipeline, Inc"},"validFrom":"2005-11-23","validTo":"2003-07-13","current":false,"derived":true,"evidenceMineId":"1518946","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0050005|2005-11-23|C16024|2001-09-21|98100"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21756","name":"Premier Elkhorn Coal Company, LLC"},"object":{"type":"mine","id":"1518946","name":"Job #49"},"validFrom":"2006-05-16","validTo":"2019-10-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|P21756|2006-05-16|2019-10-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00286","name":"TECO Energy Inc"},"object":{"type":"operator","id":"P21756","name":"Premier Elkhorn Coal Company, LLC"},"validFrom":"2006-05-16","validTo":"2015-09-20","current":false,"derived":true,"evidenceMineId":"1518946","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|P21756|2006-05-16|C00286|1991-12-02|45853"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11194","name":"James H  Booth et al"},"object":{"type":"mine","id":"1518946","name":"Job #49"},"validFrom":"2015-09-21","validTo":"2019-06-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|C11194|2015-09-21|2019-06-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11194","name":"James H  Booth et al"},"object":{"type":"operator","id":"P21756","name":"Premier Elkhorn Coal Company, LLC"},"validFrom":"2015-09-21","validTo":"2019-06-15","current":false,"derived":true,"evidenceMineId":"1518946","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|P21756|2006-05-16|C11194|2015-09-21|84044"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0149203","name":"J Mark  Campbell"},"object":{"type":"mine","id":"1518946","name":"Job #49"},"validFrom":"2019-06-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0149203|2019-06-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0149203","name":"J Mark  Campbell"},"object":{"type":"operator","id":"P21756","name":"Premier Elkhorn Coal Company, LLC"},"validFrom":"2019-06-16","validTo":"2019-10-09","current":false,"derived":true,"evidenceMineId":"1518946","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|P21756|2006-05-16|0149203|2019-06-16|30599"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0166794","name":"Virgie Clean Mining, LLC"},"object":{"type":"mine","id":"1518946","name":"Job #49"},"validFrom":"2019-10-10","validTo":"2021-07-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0166794|2019-10-10|2021-07-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0143381","name":"William K  Abraham"},"object":{"type":"mine","id":"1518946","name":"Job #49"},"validFrom":"2019-10-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0143381|2019-10-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0143381","name":"William K  Abraham"},"object":{"type":"operator","id":"0166794","name":"Virgie Clean Mining, LLC"},"validFrom":"2019-10-10","validTo":"2021-07-29","current":false,"derived":true,"evidenceMineId":"1518946","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0166794|2019-10-10|0143381|2019-10-10|29090"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0177893","name":"Myra Resources, LLC"},"object":{"type":"mine","id":"1518946","name":"Job #49"},"validFrom":"2021-07-30","validTo":"2024-02-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0177893|2021-07-30|2024-02-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0163661","name":"Kautilya K  Sharma"},"object":{"type":"mine","id":"1518946","name":"Job #49"},"validFrom":"2021-07-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0163661|2021-07-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0163661","name":"Kautilya K  Sharma"},"object":{"type":"operator","id":"0177893","name":"Myra Resources, LLC"},"validFrom":"2021-07-30","validTo":"2024-02-22","current":false,"derived":true,"evidenceMineId":"1518946","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0177893|2021-07-30|0163661|2021-07-30|34298"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0193713","name":"Reckoning Reclamation,LLC."},"object":{"type":"mine","id":"1518946","name":"Job #49"},"validFrom":"2024-02-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0193713|2024-02-23|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0182481","name":"James Eric  Davidson"},"object":{"type":"mine","id":"1518946","name":"Job #49"},"validFrom":"2024-02-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0182481|2024-02-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0182481","name":"James Eric  Davidson"},"object":{"type":"operator","id":"0193713","name":"Reckoning Reclamation,LLC."},"validFrom":"2024-02-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518946","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518946|0193713|2024-02-23|0182481|2024-02-23|38959"}}],"coverage":{"historyRecords":8,"edgeCount":21,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1518946","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}