{"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":"0203285","name":"Ridco"},"operator":{"type":"operator","id":"0149393","name":"Western Exploration & Road Construction Inc"},"controller":{"type":"controller","id":"0131281","name":"James  Pate"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0118691","name":"Arizona Construction Equipment, LLC"},"object":{"type":"mine","id":"0203285","name":"Ridco"},"validFrom":"2011-06-28","validTo":"2011-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203285|0118691|2011-06-28|2011-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0100671","name":"Brian  Langenbach Sr  et al"},"object":{"type":"mine","id":"0203285","name":"Ridco"},"validFrom":"2011-06-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203285|0100671|2011-06-28|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0100671","name":"Brian  Langenbach Sr  et al"},"object":{"type":"operator","id":"0118691","name":"Arizona Construction Equipment, LLC"},"validFrom":"2011-06-28","validTo":"2011-12-31","current":false,"derived":true,"evidenceMineId":"0203285","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203285|0118691|2011-06-28|0100671|2011-06-28|16853"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0100671","name":"Lawrence  Martinie et al"},"object":{"type":"operator","id":"0118691","name":"Arizona Construction Equipment, LLC"},"validFrom":"2011-06-28","validTo":"2011-12-31","current":false,"derived":true,"evidenceMineId":"0203285","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203285|0118691|2011-06-28|0100671|2011-06-28|16854"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0121772","name":"MINERAL CONSULTANTS AND DEVELOPMENT,INC"},"object":{"type":"mine","id":"0203285","name":"Ridco"},"validFrom":"2012-01-01","validTo":"2017-06-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203285|0121772|2012-01-01|2017-06-06"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0100671","name":"Lawrence  Martinie et al"},"object":{"type":"mine","id":"0203285","name":"Ridco"},"validFrom":"2012-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203285|0100671|2012-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0100671","name":"Lawrence  Martinie et al"},"object":{"type":"operator","id":"0121772","name":"MINERAL CONSULTANTS AND DEVELOPMENT,INC"},"validFrom":"2012-01-01","validTo":"2017-06-06","current":false,"derived":true,"evidenceMineId":"0203285","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203285|0121772|2012-01-01|0100671|2012-01-01|16855"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0100671","name":"Brian  Langenbach Sr  et al"},"object":{"type":"operator","id":"0121772","name":"MINERAL CONSULTANTS AND DEVELOPMENT,INC"},"validFrom":"2012-01-01","validTo":"2017-06-06","current":false,"derived":true,"evidenceMineId":"0203285","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203285|0121772|2012-01-01|0100671|2012-01-01|16856"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0131281","name":"James  Pate"},"object":{"type":"mine","id":"0203285","name":"Ridco"},"validFrom":"2017-01-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203285|0131281|2017-01-30|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0149393","name":"Western Exploration & Road Construction Inc"},"object":{"type":"mine","id":"0203285","name":"Ridco"},"validFrom":"2017-06-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203285|0149393|2017-06-07|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0131281","name":"James  Pate"},"object":{"type":"operator","id":"0149393","name":"Western Exploration & Road Construction Inc"},"validFrom":"2017-06-07","validTo":null,"current":true,"derived":true,"evidenceMineId":"0203285","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203285|0149393|2017-06-07|0131281|2017-01-30|26353"}}],"coverage":{"historyRecords":5,"edgeCount":11,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0203285","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"}}