{"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":"1001717","name":"Rock Force 1"},"operator":{"type":"operator","id":"0147214","name":"Premier LLC"},"controller":{"type":"controller","id":"0188881","name":"Lane  Buchert; Evan  Buchert"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06307","name":"Gene M  Ranstrom"},"object":{"type":"mine","id":"1001717","name":"Rock Force 1"},"validFrom":"1985-04-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|M06307|1985-04-09|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07932","name":"Ada Sand & Gravel & Construction Company"},"object":{"type":"mine","id":"1001717","name":"Rock Force 1"},"validFrom":"1986-03-01","validTo":"1989-07-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|L07932|1986-03-01|1989-07-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06307","name":"Gene M  Ranstrom"},"object":{"type":"operator","id":"L07932","name":"Ada Sand & Gravel & Construction Company"},"validFrom":"1986-03-01","validTo":"1989-07-17","current":false,"derived":true,"evidenceMineId":"1001717","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|L07932|1986-03-01|M06307|1985-04-09|138196"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11086","name":"Wheeler Excavation & Trucking"},"object":{"type":"mine","id":"1001717","name":"Rock Force 1"},"validFrom":"1989-07-18","validTo":"1996-06-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|L11086|1989-07-18|1996-06-05"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08579","name":"Carl  Wheeler"},"object":{"type":"mine","id":"1001717","name":"Rock Force 1"},"validFrom":"1989-07-18","validTo":"1996-06-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|M08579|1989-07-18|1996-06-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08579","name":"Carl  Wheeler"},"object":{"type":"operator","id":"L11086","name":"Wheeler Excavation & Trucking"},"validFrom":"1989-07-18","validTo":"1996-06-05","current":false,"derived":true,"evidenceMineId":"1001717","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|L11086|1989-07-18|M08579|1989-07-18|143673"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14835","name":"Wheeler's Excavation & Trucking Inc"},"object":{"type":"mine","id":"1001717","name":"Rock Force 1"},"validFrom":"1996-06-06","validTo":"2019-12-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|L14835|1996-06-06|2019-12-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11287","name":"Ron  Wheeler"},"object":{"type":"mine","id":"1001717","name":"Rock Force 1"},"validFrom":"1996-06-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|M11287|1996-06-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11287","name":"Ron  Wheeler"},"object":{"type":"operator","id":"L14835","name":"Wheeler's Excavation & Trucking Inc"},"validFrom":"1996-06-06","validTo":"2019-12-30","current":false,"derived":true,"evidenceMineId":"1001717","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|L14835|1996-06-06|M11287|1996-06-06|151103"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0128583","name":"Trae  Buchert et al"},"object":{"type":"mine","id":"1001717","name":"Rock Force 1"},"validFrom":"2016-09-21","validTo":"2024-11-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|0128583|2016-09-21|2024-11-05"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0168474","name":"Ada Sand & Gravel, Inc."},"object":{"type":"mine","id":"1001717","name":"Rock Force 1"},"validFrom":"2019-12-31","validTo":"2025-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|0168474|2019-12-31|2025-04-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0153043","name":"Kenneth B  Smith et al"},"object":{"type":"mine","id":"1001717","name":"Rock Force 1"},"validFrom":"2019-12-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|0153043|2019-12-31|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0153043","name":"Kenneth B  Smith et al"},"object":{"type":"operator","id":"0168474","name":"Ada Sand & Gravel, Inc."},"validFrom":"2019-12-31","validTo":"2025-04-30","current":false,"derived":true,"evidenceMineId":"1001717","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|0168474|2019-12-31|0153043|2019-12-31|31736"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0153043","name":"Robert A  Dean et al"},"object":{"type":"operator","id":"0168474","name":"Ada Sand & Gravel, Inc."},"validFrom":"2019-12-31","validTo":"2025-04-30","current":false,"derived":true,"evidenceMineId":"1001717","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|0168474|2019-12-31|0153043|2019-12-31|31737"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0188881","name":"Lane  Buchert et al"},"object":{"type":"mine","id":"1001717","name":"Rock Force 1"},"validFrom":"2024-11-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|0188881|2024-11-06|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0147214","name":"Premier LLC"},"object":{"type":"mine","id":"1001717","name":"Rock Force 1"},"validFrom":"2025-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|0147214|2025-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0128583","name":"Trae  Buchert et al"},"object":{"type":"operator","id":"0147214","name":"Premier LLC"},"validFrom":"2025-05-01","validTo":"2024-11-05","current":false,"derived":true,"evidenceMineId":"1001717","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|0147214|2025-05-01|0128583|2016-09-21|25724"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0128583","name":"Lane  Buchert et al"},"object":{"type":"operator","id":"0147214","name":"Premier LLC"},"validFrom":"2025-05-01","validTo":"2024-11-05","current":false,"derived":true,"evidenceMineId":"1001717","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|0147214|2025-05-01|0128583|2016-09-21|25725"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0188881","name":"Lane  Buchert et al"},"object":{"type":"operator","id":"0147214","name":"Premier LLC"},"validFrom":"2025-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1001717","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|0147214|2025-05-01|0188881|2024-11-06|40229"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0188881","name":"Evan  Buchert et al"},"object":{"type":"operator","id":"0147214","name":"Premier LLC"},"validFrom":"2025-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1001717","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001717|0147214|2025-05-01|0188881|2024-11-06|40230"}}],"coverage":{"historyRecords":9,"edgeCount":20,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1001717","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"}}