{"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":"1102769","name":"Crystal Lake Facility"},"operator":{"type":"operator","id":"0132797","name":"Consolidated Materials Inc."},"controller":{"type":"controller","id":"0113029","name":"Donald J  Mueller"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00200","name":"Meyer Material Acquisition Corp Et Al"},"object":{"type":"mine","id":"1102769","name":"Crystal Lake Facility"},"validFrom":"1950-01-01","validTo":"2011-07-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102769|M00200|1950-01-01|2011-07-11"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00240","name":"Meyer Material Company"},"object":{"type":"mine","id":"1102769","name":"Crystal Lake Facility"},"validFrom":"1981-07-01","validTo":"2015-06-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102769|L00240|1981-07-01|2015-06-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00200","name":"Meyer Material Acquisition Corp Et Al"},"object":{"type":"operator","id":"L00240","name":"Meyer Material Company"},"validFrom":"1981-07-01","validTo":"2011-07-11","current":false,"derived":true,"evidenceMineId":"1102769","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102769|L00240|1981-07-01|M00200|1950-01-01|107249"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07336","name":"Aggregate Industries PLC"},"object":{"type":"mine","id":"1102769","name":"Crystal Lake Facility"},"validFrom":"2011-07-12","validTo":"2015-07-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102769|M07336|2011-07-12|2015-07-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07336","name":"Aggregate Industries PLC"},"object":{"type":"operator","id":"L00240","name":"Meyer Material Company"},"validFrom":"2011-07-12","validTo":"2015-06-02","current":false,"derived":true,"evidenceMineId":"1102769","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102769|L00240|1981-07-01|M07336|2011-07-12|141056"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0113029","name":"Donald J  Mueller"},"object":{"type":"mine","id":"1102769","name":"Crystal Lake Facility"},"validFrom":"2013-12-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102769|0113029|2013-12-17|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0132797","name":"Consolidated Materials Inc."},"object":{"type":"mine","id":"1102769","name":"Crystal Lake Facility"},"validFrom":"2015-06-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102769|0132797|2015-06-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0113029","name":"Donald J  Mueller"},"object":{"type":"operator","id":"0132797","name":"Consolidated Materials Inc."},"validFrom":"2015-06-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"1102769","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102769|0132797|2015-06-03|0113029|2013-12-17|21037"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"mine","id":"1102769","name":"Crystal Lake Facility"},"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":"1102769|0119681|2015-07-10|2025-06-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"operator","id":"L00240","name":"Meyer Material Company"},"validFrom":"2015-07-10","validTo":"2015-06-02","current":false,"derived":true,"evidenceMineId":"1102769","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102769|L00240|1981-07-01|0119681|2015-07-10|22928"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0193740","name":"Amrize Ltd"},"object":{"type":"mine","id":"1102769","name":"Crystal Lake Facility"},"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":"1102769|0193740|2025-06-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0193740","name":"Amrize Ltd"},"object":{"type":"operator","id":"L00240","name":"Meyer Material Company"},"validFrom":"2025-06-23","validTo":"2015-06-02","current":false,"derived":true,"evidenceMineId":"1102769","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102769|L00240|1981-07-01|0193740|2025-06-23|41217"}}],"coverage":{"historyRecords":5,"edgeCount":12,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1102769","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"}}