{"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":"3607948","name":"Fenton Farms Quarry"},"operator":{"type":"operator","id":"0110165","name":"Endless Mountain Stone and Development LLC"},"controller":{"type":"controller","id":"0093153","name":"Brian E  Bennett; Ralph  Perry; Robert E  Wilkinson"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L33214","name":"Fenton Farms"},"object":{"type":"mine","id":"3607948","name":"Fenton Farms Quarry"},"validFrom":"1987-10-01","validTo":"2007-10-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607948|L33214|1987-10-01|2007-10-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M33214","name":"Arthur  Fenton  et al"},"object":{"type":"mine","id":"3607948","name":"Fenton Farms Quarry"},"validFrom":"1987-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607948|M33214|1987-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M33214","name":"Arthur  Fenton  et al"},"object":{"type":"operator","id":"L33214","name":"Fenton Farms"},"validFrom":"1987-10-01","validTo":"2007-10-10","current":false,"derived":true,"evidenceMineId":"3607948","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607948|L33214|1987-10-01|M33214|1987-10-01|161812"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0084124","name":"Arthur Fenton Farms"},"object":{"type":"mine","id":"3607948","name":"Fenton Farms Quarry"},"validFrom":"2007-10-11","validTo":"2010-05-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607948|0084124|2007-10-11|2010-05-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M33214","name":"Arthur  Fenton  et al"},"object":{"type":"mine","id":"3607948","name":"Fenton Farms Quarry"},"validFrom":"2007-10-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607948|M33214|2007-10-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M33214","name":"Arthur  Fenton  et al"},"object":{"type":"operator","id":"0084124","name":"Arthur Fenton Farms"},"validFrom":"2007-10-11","validTo":"2010-05-03","current":false,"derived":true,"evidenceMineId":"3607948","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607948|0084124|2007-10-11|M33214|2007-10-11|161813"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0110165","name":"Endless Mountain Stone and Development LLC"},"object":{"type":"mine","id":"3607948","name":"Fenton Farms Quarry"},"validFrom":"2010-05-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607948|0110165|2010-05-04|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0093153","name":"Robert E  Wilkinson et al"},"object":{"type":"mine","id":"3607948","name":"Fenton Farms Quarry"},"validFrom":"2010-05-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607948|0093153|2010-05-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0093153","name":"Robert E  Wilkinson et al"},"object":{"type":"operator","id":"0110165","name":"Endless Mountain Stone and Development LLC"},"validFrom":"2010-05-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"3607948","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607948|0110165|2010-05-04|0093153|2010-05-04|15294"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0093153","name":"Brian E  Bennett et al"},"object":{"type":"operator","id":"0110165","name":"Endless Mountain Stone and Development LLC"},"validFrom":"2010-05-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"3607948","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607948|0110165|2010-05-04|0093153|2010-05-04|15295"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0093153","name":"Ralph  Perry et al"},"object":{"type":"operator","id":"0110165","name":"Endless Mountain Stone and Development LLC"},"validFrom":"2010-05-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"3607948","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3607948|0110165|2010-05-04|0093153|2010-05-04|15296"}}],"coverage":{"historyRecords":5,"edgeCount":11,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3607948","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"}}