{"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":"2026-10-17T05:35:58.500035+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":"0202601","name":"CEMEX - COUNTY 19"},"operator":{"type":"operator","id":"0093625","name":"CEMEX Construction Materials South, LLC"},"controller":{"type":"controller","id":"M09149","name":"Cemex S A"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15387","name":"Superstition Crushing LLC"},"object":{"type":"mine","id":"0202601","name":"CEMEX - COUNTY 19"},"validFrom":"1993-07-01","validTo":"2001-07-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|L15387|1993-07-01|2001-07-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06863","name":"Johnny  Weik III et al"},"object":{"type":"mine","id":"0202601","name":"CEMEX - COUNTY 19"},"validFrom":"1993-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|M06863|1993-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06863","name":"Johnny  Weik III et al"},"object":{"type":"operator","id":"L15387","name":"Superstition Crushing LLC"},"validFrom":"1993-07-01","validTo":"2001-07-19","current":false,"derived":true,"evidenceMineId":"0202601","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|L15387|1993-07-01|M06863|1993-07-01|139567"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00360","name":"Peter Kiewit Sons' Inc"},"object":{"type":"mine","id":"0202601","name":"CEMEX - COUNTY 19"},"validFrom":"1994-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|M00360|1994-03-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L18208","name":"Tanner Companies (Yuma) Inc."},"object":{"type":"mine","id":"0202601","name":"CEMEX - COUNTY 19"},"validFrom":"2001-07-20","validTo":"2002-09-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|L18208|2001-07-20|2002-09-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00360","name":"Peter Kiewit Sons' Inc"},"object":{"type":"operator","id":"L18208","name":"Tanner Companies (Yuma) Inc."},"validFrom":"2001-07-20","validTo":"2002-09-25","current":false,"derived":true,"evidenceMineId":"0202601","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|L18208|2001-07-20|M00360|1994-03-01|110240"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051059","name":"Rinker Materials Western Inc."},"object":{"type":"mine","id":"0202601","name":"CEMEX - COUNTY 19"},"validFrom":"2002-09-26","validTo":"2008-07-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|0051059|2002-09-26|2008-07-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08942","name":"CSR Ltd"},"object":{"type":"mine","id":"0202601","name":"CEMEX - COUNTY 19"},"validFrom":"2002-09-26","validTo":"2003-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|M08942|2002-09-26|2003-03-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08942","name":"CSR Ltd"},"object":{"type":"operator","id":"0051059","name":"Rinker Materials Western Inc."},"validFrom":"2002-09-26","validTo":"2003-03-31","current":false,"derived":true,"evidenceMineId":"0202601","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|0051059|2002-09-26|M08942|2002-09-26|144683"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042039","name":"Rinker Group Ltd"},"object":{"type":"mine","id":"0202601","name":"CEMEX - COUNTY 19"},"validFrom":"2003-04-01","validTo":"2007-07-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|0042039|2003-04-01|2007-07-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042039","name":"Rinker Group Ltd"},"object":{"type":"operator","id":"0051059","name":"Rinker Materials Western Inc."},"validFrom":"2003-04-01","validTo":"2007-07-09","current":false,"derived":true,"evidenceMineId":"0202601","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|0051059|2002-09-26|0042039|2003-04-01|3474"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09149","name":"Cemex S A"},"object":{"type":"mine","id":"0202601","name":"CEMEX - COUNTY 19"},"validFrom":"2007-07-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|M09149|2007-07-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09149","name":"Cemex S A"},"object":{"type":"operator","id":"0051059","name":"Rinker Materials Western Inc."},"validFrom":"2007-07-10","validTo":"2008-07-31","current":false,"derived":true,"evidenceMineId":"0202601","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|0051059|2002-09-26|M09149|2007-07-10|145471"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0093625","name":"CEMEX Construction Materials South, LLC"},"object":{"type":"mine","id":"0202601","name":"CEMEX - COUNTY 19"},"validFrom":"2008-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|0093625|2008-08-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09149","name":"Cemex S A"},"object":{"type":"mine","id":"0202601","name":"CEMEX - COUNTY 19"},"validFrom":"2008-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|M09149|2008-08-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09149","name":"Cemex S A"},"object":{"type":"operator","id":"0093625","name":"CEMEX Construction Materials South, LLC"},"validFrom":"2008-08-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"0202601","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202601|0093625|2008-08-01|M09149|2008-08-01|145624"}}],"coverage":{"historyRecords":6,"edgeCount":16,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0202601","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}