{"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":"0201047","name":"Kayenta Preparation Plant"},"operator":{"type":"operator","id":"P23552","name":"Black Mesa Pipeline Operations LLC"},"controller":{"type":"controller","id":"0064791","name":"ONEOK Partners L P"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P04578","name":"Black Mesa Pipeline Inc"},"object":{"type":"mine","id":"0201047","name":"Kayenta Preparation Plant"},"validFrom":"1950-01-01","validTo":"1986-09-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|P04578|1950-01-01|1986-09-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03771","name":"Southern Pacific Pipe Lines Inc"},"object":{"type":"mine","id":"0201047","name":"Kayenta Preparation Plant"},"validFrom":"1950-01-01","validTo":"1986-09-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|C03771|1950-01-01|1986-09-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03771","name":"Southern Pacific Pipe Lines Inc"},"object":{"type":"operator","id":"P04578","name":"Black Mesa Pipeline Inc"},"validFrom":"1950-01-01","validTo":"1986-09-29","current":false,"derived":true,"evidenceMineId":"0201047","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|P04578|1950-01-01|C03771|1950-01-01|63827"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18526","name":"Black Mesa Pipeline Inc"},"object":{"type":"mine","id":"0201047","name":"Kayenta Preparation Plant"},"validFrom":"1986-09-30","validTo":"1988-05-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|P18526|1986-09-30|1988-05-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09569","name":"Santa Fe Southern Pacific Corp"},"object":{"type":"mine","id":"0201047","name":"Kayenta Preparation Plant"},"validFrom":"1986-09-30","validTo":"1988-05-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|C09569|1986-09-30|1988-05-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09569","name":"Santa Fe Southern Pacific Corp"},"object":{"type":"operator","id":"P18526","name":"Black Mesa Pipeline Inc"},"validFrom":"1986-09-30","validTo":"1988-05-16","current":false,"derived":true,"evidenceMineId":"0201047","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|P18526|1986-09-30|C09569|1986-09-30|80004"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19779","name":"Black Mesa Pipeline Inc"},"object":{"type":"mine","id":"0201047","name":"Kayenta Preparation Plant"},"validFrom":"1988-05-17","validTo":"1996-08-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|P19779|1988-05-17|1996-08-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13530","name":"Prudential Insurance Co Of America et al"},"object":{"type":"mine","id":"0201047","name":"Kayenta Preparation Plant"},"validFrom":"1988-05-17","validTo":"1996-08-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|C13530|1988-05-17|1996-08-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13530","name":"Prudential Insurance Co Of America et al"},"object":{"type":"operator","id":"P19779","name":"Black Mesa Pipeline Inc"},"validFrom":"1988-05-17","validTo":"1996-08-28","current":false,"derived":true,"evidenceMineId":"0201047","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|P19779|1988-05-17|C13530|1988-05-17|90240"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23552","name":"Black Mesa Pipeline Operations LLC"},"object":{"type":"mine","id":"0201047","name":"Kayenta Preparation Plant"},"validFrom":"1996-08-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|P23552|1996-08-29|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15480","name":"Northern Border Partners LP"},"object":{"type":"mine","id":"0201047","name":"Kayenta Preparation Plant"},"validFrom":"1996-08-29","validTo":"2006-11-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|C15480|1996-08-29|2006-11-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15480","name":"Northern Border Partners LP"},"object":{"type":"operator","id":"P23552","name":"Black Mesa Pipeline Operations LLC"},"validFrom":"1996-08-29","validTo":"2006-11-30","current":false,"derived":true,"evidenceMineId":"0201047","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|P23552|1996-08-29|C15480|1996-08-29|95739"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0064791","name":"ONEOK Partners L P"},"object":{"type":"mine","id":"0201047","name":"Kayenta Preparation Plant"},"validFrom":"2006-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|0064791|2006-12-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0064791","name":"ONEOK Partners L P"},"object":{"type":"operator","id":"P23552","name":"Black Mesa Pipeline Operations LLC"},"validFrom":"2006-12-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"0201047","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201047|P23552|1996-08-29|0064791|2006-12-01|8886"}}],"coverage":{"historyRecords":5,"edgeCount":14,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0201047","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"}}