{"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":"4801575","name":"Alpine Crusher and Wash"},"operator":{"type":"operator","id":"L13932","name":"Suncore Construction and Materials"},"controller":{"type":"controller","id":"M04084","name":"CCI  (Clyde Companies Inc)"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04084","name":"CCI  (Clyde Companies Inc)"},"object":{"type":"mine","id":"4801575","name":"Alpine Crusher and Wash"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|M04084|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M31501","name":"Kel-Co Inc"},"object":{"type":"mine","id":"4801575","name":"Alpine Crusher and Wash"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|M31501|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L31501","name":"Call Gravel"},"object":{"type":"mine","id":"4801575","name":"Alpine Crusher and Wash"},"validFrom":"2000-02-01","validTo":"2002-09-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|L31501|2000-02-01|2002-09-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M31501","name":"Kel-Co Inc"},"object":{"type":"operator","id":"L31501","name":"Call Gravel"},"validFrom":"2000-02-01","validTo":"2002-09-01","current":false,"derived":true,"evidenceMineId":"4801575","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|L31501|2000-02-01|M31501|1950-01-01|159801"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050750","name":"Alota Sand & Gravel Inc."},"object":{"type":"mine","id":"4801575","name":"Alpine Crusher and Wash"},"validFrom":"2002-09-02","validTo":"2023-01-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|0050750|2002-09-02|2023-01-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041069","name":"Jackie I  Naef  et al"},"object":{"type":"mine","id":"4801575","name":"Alpine Crusher and Wash"},"validFrom":"2002-09-02","validTo":"2017-02-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|0041069|2002-09-02|2017-02-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041069","name":"Jackie I  Naef  et al"},"object":{"type":"operator","id":"0050750","name":"Alota Sand & Gravel Inc."},"validFrom":"2002-09-02","validTo":"2017-02-13","current":false,"derived":true,"evidenceMineId":"4801575","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|0050750|2002-09-02|0041069|2002-09-02|1353"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041069","name":"Douglas A  Naef  et al"},"object":{"type":"operator","id":"0050750","name":"Alota Sand & Gravel Inc."},"validFrom":"2002-09-02","validTo":"2017-02-13","current":false,"derived":true,"evidenceMineId":"4801575","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|0050750|2002-09-02|0041069|2002-09-02|1354"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0131981","name":"Greg  Stoddard et al"},"object":{"type":"mine","id":"4801575","name":"Alpine Crusher and Wash"},"validFrom":"2017-02-14","validTo":"2020-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|0131981|2017-02-14|2020-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0131981","name":"Greg  Stoddard et al"},"object":{"type":"operator","id":"0050750","name":"Alota Sand & Gravel Inc."},"validFrom":"2017-02-14","validTo":"2020-12-31","current":false,"derived":true,"evidenceMineId":"4801575","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|0050750|2002-09-02|0131981|2017-02-14|26484"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0131981","name":"Jed  Stoddard et al"},"object":{"type":"operator","id":"0050750","name":"Alota Sand & Gravel Inc."},"validFrom":"2017-02-14","validTo":"2020-12-31","current":false,"derived":true,"evidenceMineId":"4801575","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|0050750|2002-09-02|0131981|2017-02-14|26485"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04084","name":"CCI  (Clyde Companies Inc)"},"object":{"type":"mine","id":"4801575","name":"Alpine Crusher and Wash"},"validFrom":"2021-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|M04084|2021-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04084","name":"CCI  (Clyde Companies Inc)"},"object":{"type":"operator","id":"0050750","name":"Alota Sand & Gravel Inc."},"validFrom":"2021-01-01","validTo":"2023-01-26","current":false,"derived":true,"evidenceMineId":"4801575","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|0050750|2002-09-02|M04084|2021-01-01|131014"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L13932","name":"Suncore Construction and Materials"},"object":{"type":"mine","id":"4801575","name":"Alpine Crusher and Wash"},"validFrom":"2023-01-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|L13932|2023-01-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04084","name":"CCI  (Clyde Companies Inc)"},"object":{"type":"operator","id":"L13932","name":"Suncore Construction and Materials"},"validFrom":"2023-01-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"4801575","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801575|L13932|2023-01-27|M04084|1950-01-01|130975"}}],"coverage":{"historyRecords":7,"edgeCount":15,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4801575","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"}}