{"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":"4200099","name":"Wellington Prep Plant Area"},"operator":{"type":"operator","id":"0132133","name":"Price River Terminal, LLC"},"controller":{"type":"controller","id":"0112343","name":"Global One Transport Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00955","name":"Kaiser Steel Corp"},"object":{"type":"mine","id":"4200099","name":"Wellington Prep Plant Area"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|C00955|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11912","name":"United States Steel Mining Company Inc"},"object":{"type":"mine","id":"4200099","name":"Wellington Prep Plant Area"},"validFrom":"1950-01-01","validTo":"1986-01-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|P11912|1950-01-01|1986-01-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01590","name":"Usx Corp"},"object":{"type":"mine","id":"4200099","name":"Wellington Prep Plant Area"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|C01590|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01590","name":"Usx Corp"},"object":{"type":"operator","id":"P11912","name":"United States Steel Mining Company Inc"},"validFrom":"1950-01-01","validTo":"1986-01-09","current":false,"derived":true,"evidenceMineId":"4200099","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|P11912|1950-01-01|C01590|1950-01-01|55109"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16663","name":"Kaiser Coal Corp"},"object":{"type":"mine","id":"4200099","name":"Wellington Prep Plant Area"},"validFrom":"1986-01-10","validTo":"1989-10-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|P16663|1986-01-10|1989-10-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00955","name":"Kaiser Steel Corp"},"object":{"type":"operator","id":"P16663","name":"Kaiser Coal Corp"},"validFrom":"1986-01-10","validTo":"1989-10-29","current":false,"derived":true,"evidenceMineId":"4200099","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|P16663|1986-01-10|C00955|1950-01-01|51259"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23139","name":"Nevada Electric Investment Company"},"object":{"type":"mine","id":"4200099","name":"Wellington Prep Plant Area"},"validFrom":"1989-10-30","validTo":"1997-06-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|P23139|1989-10-30|1997-06-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13684","name":"NV Energy dba Nevada Power Company"},"object":{"type":"mine","id":"4200099","name":"Wellington Prep Plant Area"},"validFrom":"1989-10-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|C13684|1989-10-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13684","name":"NV Energy dba Nevada Power Company"},"object":{"type":"operator","id":"P23139","name":"Nevada Electric Investment Company"},"validFrom":"1989-10-30","validTo":"1997-06-24","current":false,"derived":true,"evidenceMineId":"4200099","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|P23139|1989-10-30|C13684|1989-10-30|90825"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23832","name":"Covol Technologies Inc"},"object":{"type":"mine","id":"4200099","name":"Wellington Prep Plant Area"},"validFrom":"1997-06-25","validTo":"2000-09-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|P23832|1997-06-25|2000-09-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15639","name":"Brent M  Cook"},"object":{"type":"mine","id":"4200099","name":"Wellington Prep Plant Area"},"validFrom":"1997-06-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|C15639|1997-06-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15639","name":"Brent M  Cook"},"object":{"type":"operator","id":"P23832","name":"Covol Technologies Inc"},"validFrom":"1997-06-25","validTo":"2000-09-10","current":false,"derived":true,"evidenceMineId":"4200099","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|P23832|1997-06-25|C15639|1997-06-25|96391"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24516","name":"Techmat Llc"},"object":{"type":"mine","id":"4200099","name":"Wellington Prep Plant Area"},"validFrom":"2000-09-11","validTo":"2001-04-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|P24516|2000-09-11|2001-04-02"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15989","name":"James D  Stout et al"},"object":{"type":"mine","id":"4200099","name":"Wellington Prep Plant Area"},"validFrom":"2000-09-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|C15989|2000-09-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15989","name":"James D  Stout et al"},"object":{"type":"operator","id":"P24516","name":"Techmat Llc"},"validFrom":"2000-09-11","validTo":"2001-04-02","current":false,"derived":true,"evidenceMineId":"4200099","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|P24516|2000-09-11|C15989|2000-09-11|97929"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23139","name":"Nevada Electric Investment Company"},"object":{"type":"mine","id":"4200099","name":"Wellington Prep Plant Area"},"validFrom":"2001-04-03","validTo":"2013-11-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|P23139|2001-04-03|2013-11-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13684","name":"NV Energy dba Nevada Power Company"},"object":{"type":"operator","id":"P23139","name":"Nevada Electric Investment Company"},"validFrom":"2001-04-03","validTo":"2013-11-06","current":false,"derived":true,"evidenceMineId":"4200099","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|P23139|2001-04-03|C13684|1989-10-30|90826"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0132133","name":"Price River Terminal, LLC"},"object":{"type":"mine","id":"4200099","name":"Wellington Prep Plant Area"},"validFrom":"2013-11-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|0132133|2013-11-07|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0112343","name":"Global One Transport Inc"},"object":{"type":"mine","id":"4200099","name":"Wellington Prep Plant Area"},"validFrom":"2013-11-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|0112343|2013-11-07|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0112343","name":"Global One Transport Inc"},"object":{"type":"operator","id":"0132133","name":"Price River Terminal, LLC"},"validFrom":"2013-11-07","validTo":null,"current":true,"derived":true,"evidenceMineId":"4200099","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200099|0132133|2013-11-07|0112343|2013-11-07|20885"}}],"coverage":{"historyRecords":7,"edgeCount":20,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4200099","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"}}