{"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":"2103227","name":"Peerless Washplant #3"},"operator":{"type":"operator","id":"0051706","name":"Aggregate Industries - MWR, Inc."},"controller":{"type":"controller","id":"0193740","name":"Amrize Ltd"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07336","name":"Aggregate Industries PLC"},"object":{"type":"mine","id":"2103227","name":"Peerless Washplant #3"},"validFrom":"1995-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|M07336|1995-10-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15618","name":"Camas Minnesota"},"object":{"type":"mine","id":"2103227","name":"Peerless Washplant #3"},"validFrom":"2000-03-01","validTo":"2002-03-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|L15618|2000-03-01|2002-03-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07336","name":"Aggregate Industries PLC"},"object":{"type":"operator","id":"L15618","name":"Camas Minnesota"},"validFrom":"2000-03-01","validTo":"2002-03-04","current":false,"derived":true,"evidenceMineId":"2103227","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|L15618|2000-03-01|M07336|1995-10-01|140851"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07336","name":"Aggregate Industries PLC"},"object":{"type":"mine","id":"2103227","name":"Peerless Washplant #3"},"validFrom":"2001-06-01","validTo":"2009-04-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|M07336|2001-06-01|2009-04-29"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17298","name":"Aggregate Industries"},"object":{"type":"mine","id":"2103227","name":"Peerless Washplant #3"},"validFrom":"2002-03-05","validTo":"2004-06-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|L17298|2002-03-05|2004-06-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07336","name":"Aggregate Industries PLC"},"object":{"type":"operator","id":"L17298","name":"Aggregate Industries"},"validFrom":"2002-03-05","validTo":"2004-06-29","current":false,"derived":true,"evidenceMineId":"2103227","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|L17298|2002-03-05|M07336|2001-06-01|140951"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07336","name":"Aggregate Industries PLC"},"object":{"type":"mine","id":"2103227","name":"Peerless Washplant #3"},"validFrom":"2003-11-26","validTo":"2009-04-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|M07336|2003-11-26|2009-04-29"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051706","name":"Aggregate Industries - MWR, Inc."},"object":{"type":"mine","id":"2103227","name":"Peerless Washplant #3"},"validFrom":"2004-06-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|0051706|2004-06-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07336","name":"Aggregate Industries PLC"},"object":{"type":"operator","id":"0051706","name":"Aggregate Industries - MWR, Inc."},"validFrom":"2004-06-30","validTo":"2009-04-29","current":false,"derived":true,"evidenceMineId":"2103227","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|0051706|2004-06-30|M07336|2003-11-26|140985"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01644","name":"Holcim Ltd"},"object":{"type":"mine","id":"2103227","name":"Peerless Washplant #3"},"validFrom":"2009-04-30","validTo":"2015-07-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|M01644|2009-04-30|2015-07-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01644","name":"Holcim Ltd"},"object":{"type":"operator","id":"L17298","name":"Aggregate Industries"},"validFrom":"2009-04-30","validTo":"2004-06-29","current":false,"derived":true,"evidenceMineId":"2103227","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|L17298|2002-03-05|M01644|2009-04-30|119902"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01644","name":"Holcim Ltd"},"object":{"type":"operator","id":"0051706","name":"Aggregate Industries - MWR, Inc."},"validFrom":"2009-04-30","validTo":"2015-07-09","current":false,"derived":true,"evidenceMineId":"2103227","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|0051706|2004-06-30|M01644|2009-04-30|119903"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"mine","id":"2103227","name":"Peerless Washplant #3"},"validFrom":"2015-07-10","validTo":"2025-06-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|0119681|2015-07-10|2025-06-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"operator","id":"L17298","name":"Aggregate Industries"},"validFrom":"2015-07-10","validTo":"2004-06-29","current":false,"derived":true,"evidenceMineId":"2103227","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|L17298|2002-03-05|0119681|2015-07-10|23045"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"operator","id":"0051706","name":"Aggregate Industries - MWR, Inc."},"validFrom":"2015-07-10","validTo":"2025-06-22","current":false,"derived":true,"evidenceMineId":"2103227","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|0051706|2004-06-30|0119681|2015-07-10|23046"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0193740","name":"Amrize Ltd"},"object":{"type":"mine","id":"2103227","name":"Peerless Washplant #3"},"validFrom":"2025-06-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|0193740|2025-06-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0193740","name":"Amrize Ltd"},"object":{"type":"operator","id":"L17298","name":"Aggregate Industries"},"validFrom":"2025-06-23","validTo":"2004-06-29","current":false,"derived":true,"evidenceMineId":"2103227","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|L17298|2002-03-05|0193740|2025-06-23|41334"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0193740","name":"Amrize Ltd"},"object":{"type":"operator","id":"0051706","name":"Aggregate Industries - MWR, Inc."},"validFrom":"2025-06-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103227","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103227|0051706|2004-06-30|0193740|2025-06-23|41335"}}],"coverage":{"historyRecords":9,"edgeCount":18,"intervalAnomalies":3,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2103227","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"}}