{"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":"2026-10-18T09:31:49.615908+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":"4104894","name":"Heartland Aggregates Granite Shoals Pit"},"operator":{"type":"operator","id":"0133613","name":"Heartland Quarries, LLC"},"controller":{"type":"controller","id":"0184121","name":"Rachel  Schuler"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0118931","name":"CHAD Materials, LLC"},"object":{"type":"mine","id":"4104894","name":"Heartland Aggregates Granite Shoals Pit"},"validFrom":"2011-07-20","validTo":"2019-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0118931|2011-07-20|2019-03-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0100945","name":"CPEK LLC et al"},"object":{"type":"mine","id":"4104894","name":"Heartland Aggregates Granite Shoals Pit"},"validFrom":"2011-07-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0100945|2011-07-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0100945","name":"CPEK LLC et al"},"object":{"type":"operator","id":"0118931","name":"CHAD Materials, LLC"},"validFrom":"2011-07-20","validTo":"2019-03-31","current":false,"derived":true,"evidenceMineId":"4104894","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0118931|2011-07-20|0100945|2011-07-20|16901"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0055589","name":"John W  Schuler"},"object":{"type":"mine","id":"4104894","name":"Heartland Aggregates Granite Shoals Pit"},"validFrom":"2014-06-11","validTo":"2024-04-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0055589|2014-06-11|2024-04-23"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0163713","name":"Granite Trucking, Inc."},"object":{"type":"mine","id":"4104894","name":"Heartland Aggregates Granite Shoals Pit"},"validFrom":"2019-04-01","validTo":"2020-03-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0163713|2019-04-01|2020-03-05"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0147861","name":"Daniel David  Champeau Jr et al"},"object":{"type":"mine","id":"4104894","name":"Heartland Aggregates Granite Shoals Pit"},"validFrom":"2019-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0147861|2019-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0147861","name":"Daniel David  Champeau Jr et al"},"object":{"type":"operator","id":"0163713","name":"Granite Trucking, Inc."},"validFrom":"2019-04-01","validTo":"2020-03-05","current":false,"derived":true,"evidenceMineId":"4104894","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0163713|2019-04-01|0147861|2019-04-01|30301"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0147861","name":"Kelly Dawn  Champeau et al"},"object":{"type":"operator","id":"0163713","name":"Granite Trucking, Inc."},"validFrom":"2019-04-01","validTo":"2020-03-05","current":false,"derived":true,"evidenceMineId":"4104894","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0163713|2019-04-01|0147861|2019-04-01|30302"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0169333","name":"Trinity Mining Co."},"object":{"type":"mine","id":"4104894","name":"Heartland Aggregates Granite Shoals Pit"},"validFrom":"2020-03-06","validTo":"2021-04-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0169333|2020-03-06|2021-04-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0154021","name":"Envirostate, LLC et al"},"object":{"type":"mine","id":"4104894","name":"Heartland Aggregates Granite Shoals Pit"},"validFrom":"2020-03-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0154021|2020-03-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0154021","name":"Envirostate, LLC et al"},"object":{"type":"operator","id":"0169333","name":"Trinity Mining Co."},"validFrom":"2020-03-06","validTo":"2021-04-29","current":false,"derived":true,"evidenceMineId":"4104894","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0169333|2020-03-06|0154021|2020-03-06|31958"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0154021","name":"Demetrius  Early et al"},"object":{"type":"operator","id":"0169333","name":"Trinity Mining Co."},"validFrom":"2020-03-06","validTo":"2021-04-29","current":false,"derived":true,"evidenceMineId":"4104894","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0169333|2020-03-06|0154021|2020-03-06|31959"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0133613","name":"Heartland Quarries, LLC"},"object":{"type":"mine","id":"4104894","name":"Heartland Aggregates Granite Shoals Pit"},"validFrom":"2021-04-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0133613|2021-04-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0055589","name":"John W  Schuler"},"object":{"type":"operator","id":"0133613","name":"Heartland Quarries, LLC"},"validFrom":"2021-04-30","validTo":"2024-04-23","current":false,"derived":true,"evidenceMineId":"4104894","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0133613|2021-04-30|0055589|2014-06-11|7215"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0184121","name":"Rachel  Schuler"},"object":{"type":"mine","id":"4104894","name":"Heartland Aggregates Granite Shoals Pit"},"validFrom":"2024-04-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0184121|2024-04-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0184121","name":"Rachel  Schuler"},"object":{"type":"operator","id":"0133613","name":"Heartland Quarries, LLC"},"validFrom":"2024-04-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"4104894","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4104894|0133613|2021-04-30|0184121|2024-04-24|39301"}}],"coverage":{"historyRecords":7,"edgeCount":16,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4104894","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}