{"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":"2026-10-17T05:35:58.500035+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":"4503003","name":"ALLEN SHEARER SAND & GRAVEL LLC"},"operator":{"type":"operator","id":"L16404","name":"Allen Shearer Sand & Gravel Llc"},"controller":{"type":"controller","id":"M12546","name":"Allen  Shearer; Jeff  Hartman"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L13481","name":"Service Fuel Company Inc"},"object":{"type":"mine","id":"4503003","name":"ALLEN SHEARER SAND & GRAVEL LLC"},"validFrom":"1983-04-01","validTo":"1994-05-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4503003|L13481|1983-04-01|1994-05-01"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10283","name":"James W  Bennett"},"object":{"type":"mine","id":"4503003","name":"ALLEN SHEARER SAND & GRAVEL LLC"},"validFrom":"1983-04-01","validTo":"1994-05-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4503003|M10283|1983-04-01|1994-05-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10283","name":"James W  Bennett"},"object":{"type":"operator","id":"L13481","name":"Service Fuel Company Inc"},"validFrom":"1983-04-01","validTo":"1994-05-01","current":false,"derived":true,"evidenceMineId":"4503003","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4503003|L13481|1983-04-01|M10283|1983-04-01|148946"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L13482","name":"Belfair Sand & Gravel Inc"},"object":{"type":"mine","id":"4503003","name":"ALLEN SHEARER SAND & GRAVEL LLC"},"validFrom":"1994-05-02","validTo":"1998-11-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4503003|L13482|1994-05-02|1998-11-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03721","name":"Walter J  Goit"},"object":{"type":"mine","id":"4503003","name":"ALLEN SHEARER SAND & GRAVEL LLC"},"validFrom":"1994-05-02","validTo":"1998-11-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4503003|M03721|1994-05-02|1998-11-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03721","name":"Walter J  Goit"},"object":{"type":"operator","id":"L13482","name":"Belfair Sand & Gravel Inc"},"validFrom":"1994-05-02","validTo":"1998-11-10","current":false,"derived":true,"evidenceMineId":"4503003","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4503003|L13482|1994-05-02|M03721|1994-05-02|129925"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16404","name":"Allen Shearer Sand & Gravel Llc"},"object":{"type":"mine","id":"4503003","name":"ALLEN SHEARER SAND & GRAVEL LLC"},"validFrom":"1998-11-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4503003|L16404|1998-11-11|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12546","name":"Jeff  Hartman et al"},"object":{"type":"mine","id":"4503003","name":"ALLEN SHEARER SAND & GRAVEL LLC"},"validFrom":"1998-11-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4503003|M12546|1998-11-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12546","name":"Jeff  Hartman et al"},"object":{"type":"operator","id":"L16404","name":"Allen Shearer Sand & Gravel Llc"},"validFrom":"1998-11-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"4503003","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4503003|L16404|1998-11-11|M12546|1998-11-11|154025"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12546","name":"Allen  Shearer et al"},"object":{"type":"operator","id":"L16404","name":"Allen Shearer Sand & Gravel Llc"},"validFrom":"1998-11-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"4503003","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4503003|L16404|1998-11-11|M12546|1998-11-11|154026"}}],"coverage":{"historyRecords":4,"edgeCount":10,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4503003","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}