{"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":"1900286","name":"SUTTON PIT & MILL"},"operator":{"type":"operator","id":"L17298","name":"Aggregate Industries Northeast Region 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":"L30682","name":"B N T Sand & Gravel Company Inc"},"object":{"type":"mine","id":"1900286","name":"SUTTON PIT & MILL"},"validFrom":"1950-01-01","validTo":"1999-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900286|L30682|1950-01-01|1999-08-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M30682","name":"Francis  Triola  et al"},"object":{"type":"mine","id":"1900286","name":"SUTTON PIT & MILL"},"validFrom":"1950-01-01","validTo":"1999-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900286|M30682|1950-01-01|1999-08-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M30682","name":"Francis  Triola  et al"},"object":{"type":"operator","id":"L30682","name":"B N T Sand & Gravel Company Inc"},"validFrom":"1950-01-01","validTo":"1999-08-31","current":false,"derived":true,"evidenceMineId":"1900286","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900286|L30682|1950-01-01|M30682|1950-01-01|158827"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17140","name":"Bnt"},"object":{"type":"mine","id":"1900286","name":"SUTTON PIT & MILL"},"validFrom":"1999-09-01","validTo":"2001-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900286|L17140|1999-09-01|2001-05-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07336","name":"Aggregate Industries PLC"},"object":{"type":"mine","id":"1900286","name":"SUTTON PIT & MILL"},"validFrom":"1999-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900286|M07336|1999-09-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07336","name":"Aggregate Industries PLC"},"object":{"type":"operator","id":"L17140","name":"Bnt"},"validFrom":"1999-09-01","validTo":"2001-05-31","current":false,"derived":true,"evidenceMineId":"1900286","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900286|L17140|1999-09-01|M07336|1999-09-01|140913"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17298","name":"Aggregate Industries Northeast Region Inc"},"object":{"type":"mine","id":"1900286","name":"SUTTON PIT & MILL"},"validFrom":"2001-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900286|L17298|2001-06-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07336","name":"Aggregate Industries PLC"},"object":{"type":"mine","id":"1900286","name":"SUTTON PIT & MILL"},"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":"1900286|M07336|2001-06-01|2009-04-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07336","name":"Aggregate Industries PLC"},"object":{"type":"operator","id":"L17298","name":"Aggregate Industries Northeast Region Inc"},"validFrom":"2001-06-01","validTo":"2009-04-29","current":false,"derived":true,"evidenceMineId":"1900286","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900286|L17298|2001-06-01|M07336|2001-06-01|140922"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01644","name":"Holcim Ltd"},"object":{"type":"mine","id":"1900286","name":"SUTTON PIT & MILL"},"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":"1900286|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 Northeast Region Inc"},"validFrom":"2009-04-30","validTo":"2015-07-09","current":false,"derived":true,"evidenceMineId":"1900286","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900286|L17298|2001-06-01|M01644|2009-04-30|119850"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"mine","id":"1900286","name":"SUTTON PIT & MILL"},"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":"1900286|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 Northeast Region Inc"},"validFrom":"2015-07-10","validTo":"2025-06-22","current":false,"derived":true,"evidenceMineId":"1900286","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900286|L17298|2001-06-01|0119681|2015-07-10|22955"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0193740","name":"Amrize Ltd"},"object":{"type":"mine","id":"1900286","name":"SUTTON PIT & MILL"},"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":"1900286|0193740|2025-06-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0193740","name":"Amrize Ltd"},"object":{"type":"operator","id":"L17298","name":"Aggregate Industries Northeast Region Inc"},"validFrom":"2025-06-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"1900286","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900286|L17298|2001-06-01|0193740|2025-06-23|41244"}}],"coverage":{"historyRecords":6,"edgeCount":15,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1900286","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"}}