{"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":"4602057","name":"New River Mine"},"operator":{"type":"operator","id":"P16042","name":"Meadow River Coal Company"},"controller":{"type":"controller","id":"C00230","name":"Pittston Company"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00230","name":"Pittston Company"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|C00230|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02952","name":"Royal Coal Company"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1950-01-01","validTo":"1983-05-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P02952|1950-01-01|1983-05-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02529","name":"National Bulk Carriers"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|C02529|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02529","name":"National Bulk Carriers"},"object":{"type":"operator","id":"P02952","name":"Royal Coal Company"},"validFrom":"1950-01-01","validTo":"1983-05-23","current":false,"derived":true,"evidenceMineId":"4602057","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P02952|1950-01-01|C02529|1950-01-01|59708"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14467","name":"Royal Coal Company"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1983-05-24","validTo":"1986-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P14467|1983-05-24|1986-09-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10483","name":"American-Hawaiian Steamship Company"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1983-05-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|C10483|1983-05-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10483","name":"American-Hawaiian Steamship Company"},"object":{"type":"operator","id":"P14467","name":"Royal Coal Company"},"validFrom":"1983-05-24","validTo":"1986-09-30","current":false,"derived":true,"evidenceMineId":"4602057","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P14467|1983-05-24|C10483|1983-05-24|82091"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18159","name":"Whitewater Resources Inc"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1986-10-01","validTo":"1987-11-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P18159|1986-10-01|1987-11-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11484","name":"Mc Millan James O"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1986-10-01","validTo":"1987-11-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|C11484|1986-10-01|1987-11-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11484","name":"Mc Millan James O"},"object":{"type":"operator","id":"P18159","name":"Whitewater Resources Inc"},"validFrom":"1986-10-01","validTo":"1987-11-10","current":false,"derived":true,"evidenceMineId":"4602057","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P18159|1986-10-01|C11484|1986-10-01|84709"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19283","name":"Spartan Sewell Inc"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1987-11-11","validTo":"1989-06-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P19283|1987-11-11|1989-06-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13276","name":"Law H Wayne"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1987-11-11","validTo":"1989-06-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|C13276|1987-11-11|1989-06-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13276","name":"Law H Wayne"},"object":{"type":"operator","id":"P19283","name":"Spartan Sewell Inc"},"validFrom":"1987-11-11","validTo":"1989-06-13","current":false,"derived":true,"evidenceMineId":"4602057","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P19283|1987-11-11|C13276|1987-11-11|89132"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20356","name":"Southeast Leasing Inc"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1989-06-14","validTo":"1990-03-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P20356|1989-06-14|1990-03-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13796","name":"Jollay R C Et Al"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1989-06-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|C13796|1989-06-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13796","name":"Jollay R C Et Al"},"object":{"type":"operator","id":"P20356","name":"Southeast Leasing Inc"},"validFrom":"1989-06-14","validTo":"1990-03-08","current":false,"derived":true,"evidenceMineId":"4602057","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P20356|1989-06-14|C13796|1989-06-14|91126"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20868","name":"Riverfront Coal Corp"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1990-03-09","validTo":"1991-08-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P20868|1990-03-09|1991-08-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14126","name":"Lowe Glenn"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1990-03-09","validTo":"1991-08-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|C14126|1990-03-09|1991-08-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14126","name":"Lowe Glenn"},"object":{"type":"operator","id":"P20868","name":"Riverfront Coal Corp"},"validFrom":"1990-03-09","validTo":"1991-08-15","current":false,"derived":true,"evidenceMineId":"4602057","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P20868|1990-03-09|C14126|1990-03-09|92072"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16042","name":"Meadow River Coal Company"},"object":{"type":"mine","id":"4602057","name":"New River Mine"},"validFrom":"1991-08-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P16042|1991-08-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00230","name":"Pittston Company"},"object":{"type":"operator","id":"P16042","name":"Meadow River Coal Company"},"validFrom":"1991-08-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"4602057","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602057|P16042|1991-08-16|C00230|1950-01-01|45164"}}],"coverage":{"historyRecords":7,"edgeCount":21,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4602057","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"}}