{"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":"0400035","name":"The Rock Yard - TRI, Inc."},"operator":{"type":"operator","id":"0096167","name":"The Rock Yard - TRI, Inc."},"controller":{"type":"controller","id":"0081097","name":"Janet M  Auxier"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10449","name":"Calico Rock Milling Inc"},"object":{"type":"mine","id":"0400035","name":"The Rock Yard - TRI, Inc."},"validFrom":"1950-01-01","validTo":"1989-02-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0400035|L10449|1950-01-01|1989-02-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08145","name":"H M  Peterson"},"object":{"type":"mine","id":"0400035","name":"The Rock Yard - TRI, Inc."},"validFrom":"1950-01-01","validTo":"1989-02-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0400035|M08145|1950-01-01|1989-02-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08145","name":"H M  Peterson"},"object":{"type":"operator","id":"L10449","name":"Calico Rock Milling Inc"},"validFrom":"1950-01-01","validTo":"1989-02-10","current":false,"derived":true,"evidenceMineId":"0400035","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0400035|L10449|1950-01-01|M08145|1950-01-01|142824"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10725","name":"Calico Rock Milling Inc"},"object":{"type":"mine","id":"0400035","name":"The Rock Yard - TRI, Inc."},"validFrom":"1989-02-11","validTo":"1992-12-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0400035|L10725|1989-02-11|1992-12-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08319","name":"Calico Holdings Corp"},"object":{"type":"mine","id":"0400035","name":"The Rock Yard - TRI, Inc."},"validFrom":"1989-02-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0400035|M08319|1989-02-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08319","name":"Calico Holdings Corp"},"object":{"type":"operator","id":"L10725","name":"Calico Rock Milling Inc"},"validFrom":"1989-02-11","validTo":"1992-12-13","current":false,"derived":true,"evidenceMineId":"0400035","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0400035|L10725|1989-02-11|M08319|1989-02-11|143150"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12971","name":"West Coast Rock Inc"},"object":{"type":"mine","id":"0400035","name":"The Rock Yard - TRI, Inc."},"validFrom":"1992-12-14","validTo":"2008-10-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0400035|L12971|1992-12-14|2008-10-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09923","name":"Carole G  Hooper"},"object":{"type":"mine","id":"0400035","name":"The Rock Yard - TRI, Inc."},"validFrom":"1992-12-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0400035|M09923|1992-12-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09923","name":"Carole G  Hooper"},"object":{"type":"operator","id":"L12971","name":"West Coast Rock Inc"},"validFrom":"1992-12-14","validTo":"2008-10-09","current":false,"derived":true,"evidenceMineId":"0400035","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0400035|L12971|1992-12-14|M09923|1992-12-14|147925"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0096167","name":"The Rock Yard - TRI, Inc."},"object":{"type":"mine","id":"0400035","name":"The Rock Yard - TRI, Inc."},"validFrom":"2008-10-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0400035|0096167|2008-10-10|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0081097","name":"Janet M  Auxier"},"object":{"type":"mine","id":"0400035","name":"The Rock Yard - TRI, Inc."},"validFrom":"2008-10-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0400035|0081097|2008-10-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0081097","name":"Janet M  Auxier"},"object":{"type":"operator","id":"0096167","name":"The Rock Yard - TRI, Inc."},"validFrom":"2008-10-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"0400035","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0400035|0096167|2008-10-10|0081097|2008-10-10|12860"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0400035","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"}}