{"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":"0505086","name":"Western Gravel Inc."},"operator":{"type":"operator","id":"L13478","name":"Western Gravel Inc."},"controller":{"type":"controller","id":"M10281","name":"Judy  DeVincentis"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10281","name":"Judy  DeVincentis et al"},"object":{"type":"mine","id":"0505086","name":"Western Gravel Inc."},"validFrom":"1994-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505086|M10281|1994-05-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0156293","name":"Steincrusher, LLC"},"object":{"type":"mine","id":"0505086","name":"Western Gravel Inc."},"validFrom":"2018-01-10","validTo":"2020-09-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505086|0156293|2018-01-10|2020-09-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0139221","name":"Daniel J Eckstine et al"},"object":{"type":"mine","id":"0505086","name":"Western Gravel Inc."},"validFrom":"2018-01-10","validTo":"2019-10-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505086|0139221|2018-01-10|2019-10-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0139221","name":"Daniel J Eckstine et al"},"object":{"type":"operator","id":"0156293","name":"Steincrusher, LLC"},"validFrom":"2018-01-10","validTo":"2019-10-29","current":false,"derived":true,"evidenceMineId":"0505086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505086|0156293|2018-01-10|0139221|2018-01-10|28213"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0139221","name":"Jerry W Trudell et al"},"object":{"type":"operator","id":"0156293","name":"Steincrusher, LLC"},"validFrom":"2018-01-10","validTo":"2019-10-29","current":false,"derived":true,"evidenceMineId":"0505086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505086|0156293|2018-01-10|0139221|2018-01-10|28214"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0139221","name":"Judy K DeVincentis et al"},"object":{"type":"operator","id":"0156293","name":"Steincrusher, LLC"},"validFrom":"2018-01-10","validTo":"2019-10-29","current":false,"derived":true,"evidenceMineId":"0505086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505086|0156293|2018-01-10|0139221|2018-01-10|28215"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0157901","name":"Judy K DeVincentis et al"},"object":{"type":"mine","id":"0505086","name":"Western Gravel Inc."},"validFrom":"2019-10-30","validTo":"2023-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505086|0157901|2019-10-30|2023-04-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0157901","name":"Judy K DeVincentis et al"},"object":{"type":"operator","id":"0156293","name":"Steincrusher, LLC"},"validFrom":"2019-10-30","validTo":"2020-09-09","current":false,"derived":true,"evidenceMineId":"0505086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505086|0156293|2018-01-10|0157901|2019-10-30|32703"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0157901","name":"Daniel J Eckstine et al"},"object":{"type":"operator","id":"0156293","name":"Steincrusher, LLC"},"validFrom":"2019-10-30","validTo":"2020-09-09","current":false,"derived":true,"evidenceMineId":"0505086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505086|0156293|2018-01-10|0157901|2019-10-30|32704"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L13478","name":"Western Gravel Inc."},"object":{"type":"mine","id":"0505086","name":"Western Gravel Inc."},"validFrom":"2020-09-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505086|L13478|2020-09-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10281","name":"Judy  DeVincentis et al"},"object":{"type":"operator","id":"L13478","name":"Western Gravel Inc."},"validFrom":"2020-09-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"0505086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505086|L13478|2020-09-10|M10281|1994-05-01|148942"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0178840","name":"Daniel J Eckstine"},"object":{"type":"mine","id":"0505086","name":"Western Gravel Inc."},"validFrom":"2023-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505086|0178840|2023-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0178840","name":"Daniel J Eckstine"},"object":{"type":"operator","id":"0156293","name":"Steincrusher, LLC"},"validFrom":"2023-05-01","validTo":"2020-09-09","current":false,"derived":true,"evidenceMineId":"0505086","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505086|0156293|2018-01-10|0178840|2023-05-01|38311"}}],"coverage":{"historyRecords":7,"edgeCount":13,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0505086","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"}}