{"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":"0403065","name":"Plumbago Mine"},"operator":{"type":"operator","id":"L09340","name":"Original Sixteen to One Mine, Inc."},"controller":{"type":"controller","id":"M02657","name":"Michael M Miller"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L04702","name":"Plumbago Mines Inc"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1950-01-01","validTo":"1980-12-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L04702|1950-01-01|1980-12-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03795","name":"Christman Earl"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1950-01-01","validTo":"1980-12-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|M03795|1950-01-01|1980-12-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03795","name":"Christman Earl"},"object":{"type":"operator","id":"L04702","name":"Plumbago Mines Inc"},"validFrom":"1950-01-01","validTo":"1980-12-11","current":false,"derived":true,"evidenceMineId":"0403065","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L04702|1950-01-01|M03795|1950-01-01|130108"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02657","name":"Michael M Miller"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1979-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|M02657|1979-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L04704","name":"Plumbago Mines Inc"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1980-12-12","validTo":"1981-04-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L04704|1980-12-12|1981-04-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03797","name":"Hines Thomas K"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1980-12-12","validTo":"1986-12-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|M03797|1980-12-12|1986-12-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03797","name":"Hines Thomas K"},"object":{"type":"operator","id":"L04704","name":"Plumbago Mines Inc"},"validFrom":"1980-12-12","validTo":"1981-04-27","current":false,"derived":true,"evidenceMineId":"0403065","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L04704|1980-12-12|M03797|1980-12-12|130110"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L05181","name":"Amber Mining Consultants Inc"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1981-04-28","validTo":"1982-05-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L05181|1981-04-28|1982-05-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04185","name":"Kent Charles"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1981-04-28","validTo":"1982-05-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|M04185|1981-04-28|1982-05-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04185","name":"Kent Charles"},"object":{"type":"operator","id":"L05181","name":"Amber Mining Consultants Inc"},"validFrom":"1981-04-28","validTo":"1982-05-26","current":false,"derived":true,"evidenceMineId":"0403065","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L05181|1981-04-28|M04185|1981-04-28|131278"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L05884","name":"Christman Mining Enterprises"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1982-05-27","validTo":"1983-06-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L05884|1982-05-27|1983-06-07"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04738","name":"Christman Errol-Plumbago Mines Inc Et Al"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1982-05-27","validTo":"1983-06-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|M04738|1982-05-27|1983-06-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04738","name":"Christman Errol-Plumbago Mines Inc Et Al"},"object":{"type":"operator","id":"L05884","name":"Christman Mining Enterprises"},"validFrom":"1982-05-27","validTo":"1983-06-07","current":false,"derived":true,"evidenceMineId":"0403065","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L05884|1982-05-27|M04738|1982-05-27|132624"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06670","name":"Plumbago Mining Corp"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1983-06-08","validTo":"1983-09-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L06670|1983-06-08|1983-09-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03797","name":"Hines Thomas K"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1983-06-08","validTo":"1983-09-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|M03797|1983-06-08|1983-09-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03797","name":"Hines Thomas K"},"object":{"type":"operator","id":"L06670","name":"Plumbago Mining Corp"},"validFrom":"1983-06-08","validTo":"1983-09-21","current":false,"derived":true,"evidenceMineId":"0403065","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L06670|1983-06-08|M03797|1983-06-08|130112"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06874","name":"Underground Development Corp"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1983-09-22","validTo":"1986-12-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L06874|1983-09-22|1986-12-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05480","name":"Callaghan Dan W"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1983-09-22","validTo":"1986-12-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|M05480|1983-09-22|1986-12-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05480","name":"Callaghan Dan W"},"object":{"type":"operator","id":"L06874","name":"Underground Development Corp"},"validFrom":"1983-09-22","validTo":"1986-12-15","current":false,"derived":true,"evidenceMineId":"0403065","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L06874|1983-09-22|M05480|1983-09-22|134718"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09024","name":"Norsemont Mining Inc"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1986-12-16","validTo":"1996-10-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L09024|1986-12-16|1996-10-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07122","name":"Lorntzsen Egil H"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1986-12-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|M07122|1986-12-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07122","name":"Lorntzsen Egil H"},"object":{"type":"operator","id":"L09024","name":"Norsemont Mining Inc"},"validFrom":"1986-12-16","validTo":"1996-10-27","current":false,"derived":true,"evidenceMineId":"0403065","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L09024|1986-12-16|M07122|1986-12-16|140135"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14987","name":"Plumbco"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1996-10-28","validTo":"2014-05-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L14987|1996-10-28|2014-05-05"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11409","name":"Strauss Kathy & Domonic Hudson Et Al"},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"1996-10-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|M11409|1996-10-28|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11409","name":"Strauss Kathy & Domonic Hudson Et Al"},"object":{"type":"operator","id":"L14987","name":"Plumbco"},"validFrom":"1996-10-28","validTo":"2014-05-05","current":false,"derived":true,"evidenceMineId":"0403065","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L14987|1996-10-28|M11409|1996-10-28|151347"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09340","name":"Original Sixteen to One Mine, Inc."},"object":{"type":"mine","id":"0403065","name":"Plumbago Mine"},"validFrom":"2014-05-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L09340|2014-05-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02657","name":"Michael M Miller"},"object":{"type":"operator","id":"L09340","name":"Original Sixteen to One Mine, Inc."},"validFrom":"2014-05-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"0403065","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0403065|L09340|2014-05-06|M02657|1979-01-01|126462"}}],"coverage":{"historyRecords":9,"edgeCount":27,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0403065","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"}}