{"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":"1100786","name":"Amrize Joppa Plant"},"operator":{"type":"operator","id":"0051046","name":"Amrize Cement Inc."},"controller":{"type":"controller","id":"0193740","name":"Amrize Ltd"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00283","name":"Missouri Portland Cement Company"},"object":{"type":"mine","id":"1100786","name":"Amrize Joppa Plant"},"validFrom":"1950-01-01","validTo":"1985-12-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|L00283|1950-01-01|1985-12-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00228","name":"H K Porter Company Inc"},"object":{"type":"mine","id":"1100786","name":"Amrize Joppa Plant"},"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":"1100786|M00228|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00228","name":"H K Porter Company Inc"},"object":{"type":"operator","id":"L00283","name":"Missouri Portland Cement Company"},"validFrom":"1950-01-01","validTo":"1985-12-26","current":false,"derived":true,"evidenceMineId":"1100786","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|L00283|1950-01-01|M00228|1950-01-01|107812"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"mine","id":"1100786","name":"Amrize Joppa Plant"},"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":"1100786|M02063|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"mine","id":"1100786","name":"Amrize Joppa Plant"},"validFrom":"1981-11-12","validTo":"2015-07-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|M02063|1981-11-12|2015-07-09"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09304","name":"Lafarge Corporation"},"object":{"type":"mine","id":"1100786","name":"Amrize Joppa Plant"},"validFrom":"1985-12-27","validTo":"2007-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|L09304|1985-12-27|2007-08-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"operator","id":"L09304","name":"Lafarge Corporation"},"validFrom":"1985-12-27","validTo":"2007-08-31","current":false,"derived":true,"evidenceMineId":"1100786","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|L09304|1985-12-27|M02063|1950-01-01|123178"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01644","name":"Holcim Ltd"},"object":{"type":"mine","id":"1100786","name":"Amrize Joppa Plant"},"validFrom":"2001-12-12","validTo":"2015-07-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|M01644|2001-12-12|2015-07-09"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17776","name":"Lafarge Midwest"},"object":{"type":"mine","id":"1100786","name":"Amrize Joppa Plant"},"validFrom":"2007-09-01","validTo":"2018-01-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|L17776|2007-09-01|2018-01-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"operator","id":"L17776","name":"Lafarge Midwest"},"validFrom":"2007-09-01","validTo":"2015-07-09","current":false,"derived":true,"evidenceMineId":"1100786","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|L17776|2007-09-01|M02063|1981-11-12|123250"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"mine","id":"1100786","name":"Amrize Joppa Plant"},"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":"1100786|0119681|2015-07-10|2025-06-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"mine","id":"1100786","name":"Amrize Joppa Plant"},"validFrom":"2015-07-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|0119681|2015-07-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"operator","id":"L17776","name":"Lafarge Midwest"},"validFrom":"2015-07-10","validTo":"2018-01-30","current":false,"derived":true,"evidenceMineId":"1100786","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|L17776|2007-09-01|0119681|2015-07-10|23212"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051046","name":"Amrize Cement Inc."},"object":{"type":"mine","id":"1100786","name":"Amrize Joppa Plant"},"validFrom":"2018-01-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|0051046|2018-01-31|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"operator","id":"0051046","name":"Amrize Cement Inc."},"validFrom":"2018-01-31","validTo":"2025-06-22","current":false,"derived":true,"evidenceMineId":"1100786","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|0051046|2018-01-31|0119681|2015-07-10|22913"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01644","name":"Holcim Ltd"},"object":{"type":"operator","id":"0051046","name":"Amrize Cement Inc."},"validFrom":"2018-01-31","validTo":"2015-07-09","current":false,"derived":true,"evidenceMineId":"1100786","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|0051046|2018-01-31|M01644|2001-12-12|119779"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0193740","name":"Amrize Ltd"},"object":{"type":"mine","id":"1100786","name":"Amrize Joppa Plant"},"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":"1100786|0193740|2025-06-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0193740","name":"Amrize Ltd"},"object":{"type":"operator","id":"0051046","name":"Amrize Cement Inc."},"validFrom":"2025-06-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"1100786","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1100786|0051046|2018-01-31|0193740|2025-06-23|41202"}}],"coverage":{"historyRecords":7,"edgeCount":18,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1100786","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"}}