{"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":"2200447","name":"Green T Road Pit"},"operator":{"type":"operator","id":"L00236","name":"Memphis Stone & Gravel Company"},"controller":{"type":"controller","id":"M00079","name":"Granite Construction Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L03392","name":"Southern Aggregates Inc"},"object":{"type":"mine","id":"2200447","name":"Green T Road Pit"},"validFrom":"1950-01-01","validTo":"1982-04-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|L03392|1950-01-01|1982-04-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00120","name":"Gulf + Western Industries Inc"},"object":{"type":"mine","id":"2200447","name":"Green T Road Pit"},"validFrom":"1950-01-01","validTo":"1982-04-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|M00120|1950-01-01|1982-04-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00120","name":"Gulf + Western Industries Inc"},"object":{"type":"operator","id":"L03392","name":"Southern Aggregates Inc"},"validFrom":"1950-01-01","validTo":"1982-04-14","current":false,"derived":true,"evidenceMineId":"2200447","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|L03392|1950-01-01|M00120|1950-01-01|104584"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00122","name":"Lone Star Industries Inc"},"object":{"type":"mine","id":"2200447","name":"Green T Road Pit"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|M00122|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01514","name":"Richard C  Moore Et  Al"},"object":{"type":"mine","id":"2200447","name":"Green T Road Pit"},"validFrom":"1950-01-01","validTo":"2014-01-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|M01514|1950-01-01|2014-01-12"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00169","name":"Lone Star Industries Inc"},"object":{"type":"mine","id":"2200447","name":"Green T Road Pit"},"validFrom":"1982-04-15","validTo":"1993-03-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|L00169|1982-04-15|1993-03-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00122","name":"Lone Star Industries Inc"},"object":{"type":"operator","id":"L00169","name":"Lone Star Industries Inc"},"validFrom":"1982-04-15","validTo":"1993-03-25","current":false,"derived":true,"evidenceMineId":"2200447","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|L00169|1982-04-15|M00122|1950-01-01|104666"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00236","name":"Memphis Stone & Gravel Company"},"object":{"type":"mine","id":"2200447","name":"Green T Road Pit"},"validFrom":"1993-03-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|L00236|1993-03-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01514","name":"Richard C  Moore Et  Al"},"object":{"type":"operator","id":"L00236","name":"Memphis Stone & Gravel Company"},"validFrom":"1993-03-26","validTo":"2014-01-12","current":false,"derived":true,"evidenceMineId":"2200447","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|L00236|1993-03-26|M01514|1950-01-01|119002"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01514","name":"James J  Madison III Et Al"},"object":{"type":"operator","id":"L00236","name":"Memphis Stone & Gravel Company"},"validFrom":"1993-03-26","validTo":"2014-01-12","current":false,"derived":true,"evidenceMineId":"2200447","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|L00236|1993-03-26|M01514|1950-01-01|119003"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0111805","name":"Richard C  Moore Jr et al"},"object":{"type":"mine","id":"2200447","name":"Green T Road Pit"},"validFrom":"2014-01-13","validTo":"2023-01-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|0111805|2014-01-13|2023-01-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0111805","name":"Richard C  Moore Jr et al"},"object":{"type":"operator","id":"L00236","name":"Memphis Stone & Gravel Company"},"validFrom":"2014-01-13","validTo":"2023-01-12","current":false,"derived":true,"evidenceMineId":"2200447","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|L00236|1993-03-26|0111805|2014-01-13|20627"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0111805","name":"Carey  Moore et al"},"object":{"type":"operator","id":"L00236","name":"Memphis Stone & Gravel Company"},"validFrom":"2014-01-13","validTo":"2023-01-12","current":false,"derived":true,"evidenceMineId":"2200447","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|L00236|1993-03-26|0111805|2014-01-13|20628"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0174182","name":"Richard  Moore III et al"},"object":{"type":"mine","id":"2200447","name":"Green T Road Pit"},"validFrom":"2023-01-13","validTo":"2023-12-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|0174182|2023-01-13|2023-12-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0174182","name":"Richard  Moore III et al"},"object":{"type":"operator","id":"L00236","name":"Memphis Stone & Gravel Company"},"validFrom":"2023-01-13","validTo":"2023-12-18","current":false,"derived":true,"evidenceMineId":"2200447","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|L00236|1993-03-26|0174182|2023-01-13|37020"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0174182","name":"Jobe  Madison IV et al"},"object":{"type":"operator","id":"L00236","name":"Memphis Stone & Gravel Company"},"validFrom":"2023-01-13","validTo":"2023-12-18","current":false,"derived":true,"evidenceMineId":"2200447","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|L00236|1993-03-26|0174182|2023-01-13|37021"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00079","name":"Granite Construction Inc"},"object":{"type":"mine","id":"2200447","name":"Green T Road Pit"},"validFrom":"2023-12-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|M00079|2023-12-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00079","name":"Granite Construction Inc"},"object":{"type":"operator","id":"L00236","name":"Memphis Stone & Gravel Company"},"validFrom":"2023-12-19","validTo":null,"current":true,"derived":true,"evidenceMineId":"2200447","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200447|L00236|1993-03-26|M00079|2023-12-19|103738"}}],"coverage":{"historyRecords":9,"edgeCount":18,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2200447","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"}}