{"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":"1001983","name":"The Crusher"},"operator":{"type":"operator","id":"0136513","name":"Avail Valley Construction-ID, LLC"},"controller":{"type":"controller","id":"0153801","name":"AVCO Holdings LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17502","name":"Alta Construction"},"object":{"type":"mine","id":"1001983","name":"The Crusher"},"validFrom":"2000-07-01","validTo":"2006-10-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1001983|L17502|2000-07-01|2006-10-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13353","name":"Mark  Melehes"},"object":{"type":"mine","id":"1001983","name":"The Crusher"},"validFrom":"2000-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1001983|M13353|2000-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13353","name":"Mark  Melehes"},"object":{"type":"operator","id":"L17502","name":"Alta Construction"},"validFrom":"2000-07-01","validTo":"2006-10-23","current":false,"derived":true,"evidenceMineId":"1001983","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1001983|L17502|2000-07-01|M13353|2000-07-01|156099"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0076643","name":"Owen-PC Construction"},"object":{"type":"mine","id":"1001983","name":"The Crusher"},"validFrom":"2006-10-24","validTo":"2014-10-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1001983|0076643|2006-10-24|2014-10-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11517","name":"David  Owen"},"object":{"type":"mine","id":"1001983","name":"The Crusher"},"validFrom":"2006-10-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1001983|M11517|2006-10-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11517","name":"David  Owen"},"object":{"type":"operator","id":"0076643","name":"Owen-PC Construction"},"validFrom":"2006-10-24","validTo":"2014-10-31","current":false,"derived":true,"evidenceMineId":"1001983","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1001983|0076643|2006-10-24|M11517|2006-10-24|151650"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0136513","name":"Avail Valley Construction-ID, LLC"},"object":{"type":"mine","id":"1001983","name":"The Crusher"},"validFrom":"2014-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1001983|0136513|2014-11-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0116181","name":"Cara  Mulder et al"},"object":{"type":"mine","id":"1001983","name":"The Crusher"},"validFrom":"2014-11-01","validTo":"2020-05-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1001983|0116181|2014-11-01|2020-05-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0116181","name":"Cara  Mulder et al"},"object":{"type":"operator","id":"0136513","name":"Avail Valley Construction-ID, LLC"},"validFrom":"2014-11-01","validTo":"2020-05-17","current":false,"derived":true,"evidenceMineId":"1001983","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1001983|0136513|2014-11-01|0116181|2014-11-01|21904"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0116181","name":"Mike  Mulder et al"},"object":{"type":"operator","id":"0136513","name":"Avail Valley Construction-ID, LLC"},"validFrom":"2014-11-01","validTo":"2020-05-17","current":false,"derived":true,"evidenceMineId":"1001983","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1001983|0136513|2014-11-01|0116181|2014-11-01|21905"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0153801","name":"AVCO Holdings LLC"},"object":{"type":"mine","id":"1001983","name":"The Crusher"},"validFrom":"2020-05-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1001983|0153801|2020-05-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0153801","name":"AVCO Holdings LLC"},"object":{"type":"operator","id":"0136513","name":"Avail Valley Construction-ID, LLC"},"validFrom":"2020-05-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"1001983","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1001983|0136513|2014-11-01|0153801|2020-05-18|31932"}}],"coverage":{"historyRecords":5,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1001983","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"}}