{"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":"1517481","name":"Hardshell Tipples Mine #1"},"operator":{"type":"operator","id":"0062143","name":"Hardshell Tipples Inc."},"controller":{"type":"controller","id":"0051849","name":"Calvin R  Tackett"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22887","name":"Coyote Company"},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"1993-12-01","validTo":"2001-08-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|P22887|1993-12-01|2001-08-05"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14615","name":"Salyers Roger & Jerry Farley"},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"1993-12-01","validTo":"2001-08-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|C14615|1993-12-01|2001-08-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14615","name":"Salyers Roger & Jerry Farley"},"object":{"type":"operator","id":"P22887","name":"Coyote Company"},"validFrom":"1993-12-01","validTo":"2001-08-05","current":false,"derived":true,"evidenceMineId":"1517481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|P22887|1993-12-01|C14615|1993-12-01|93398"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04802","name":"Michael K  Cook et al"},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2000-11-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|C04802|2000-11-10|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14433","name":"James A  Hubbard"},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2001-01-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|C14433|2001-01-16|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24587","name":"Nu Enterprise Corp"},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2001-08-06","validTo":"2002-02-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|P24587|2001-08-06|2002-02-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14433","name":"James A  Hubbard"},"object":{"type":"operator","id":"P24587","name":"Nu Enterprise Corp"},"validFrom":"2001-08-06","validTo":"2002-02-18","current":false,"derived":true,"evidenceMineId":"1517481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|P24587|2001-08-06|C14433|2001-01-16|92809"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24465","name":"Cook and Sons Mining, Inc."},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2002-02-19","validTo":"2002-07-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|P24465|2002-02-19|2002-07-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04802","name":"Michael K  Cook et al"},"object":{"type":"operator","id":"P24465","name":"Cook and Sons Mining, Inc."},"validFrom":"2002-02-19","validTo":"2002-07-08","current":false,"derived":true,"evidenceMineId":"1517481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|P24465|2002-02-19|C04802|2000-11-10|66812"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04802","name":"Randy A  Cook et al"},"object":{"type":"operator","id":"P24465","name":"Cook and Sons Mining, Inc."},"validFrom":"2002-02-19","validTo":"2002-07-08","current":false,"derived":true,"evidenceMineId":"1517481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|P24465|2002-02-19|C04802|2000-11-10|66813"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050615","name":"Leslie Mountain Processing, Inc."},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2002-07-09","validTo":"2003-04-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0050615|2002-07-09|2003-04-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0040963","name":"Ronnie L  Skeens"},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2002-07-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0040963|2002-07-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0040963","name":"Ronnie L  Skeens"},"object":{"type":"operator","id":"0050615","name":"Leslie Mountain Processing, Inc."},"validFrom":"2002-07-09","validTo":"2003-04-03","current":false,"derived":true,"evidenceMineId":"1517481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0050615|2002-07-09|0040963|2002-07-09|1075"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24465","name":"Cook and Sons Mining, Inc."},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2003-04-04","validTo":"2004-02-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|P24465|2003-04-04|2004-02-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04802","name":"Randy A  Cook et al"},"object":{"type":"operator","id":"P24465","name":"Cook and Sons Mining, Inc."},"validFrom":"2003-04-04","validTo":"2004-02-04","current":false,"derived":true,"evidenceMineId":"1517481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|P24465|2003-04-04|C04802|2000-11-10|66814"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04802","name":"Michael K  Cook et al"},"object":{"type":"operator","id":"P24465","name":"Cook and Sons Mining, Inc."},"validFrom":"2003-04-04","validTo":"2004-02-04","current":false,"derived":true,"evidenceMineId":"1517481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|P24465|2003-04-04|C04802|2000-11-10|66815"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042597","name":"Jim  Shubert et al"},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2004-01-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0042597|2004-01-16|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051881","name":"Tri-Energy, Inc."},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2004-02-05","validTo":"2005-08-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0051881|2004-02-05|2005-08-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042597","name":"Jim  Shubert et al"},"object":{"type":"operator","id":"0051881","name":"Tri-Energy, Inc."},"validFrom":"2004-02-05","validTo":"2005-08-01","current":false,"derived":true,"evidenceMineId":"1517481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0051881|2004-02-05|0042597|2004-01-16|4090"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042597","name":"Robert  Jennings et al"},"object":{"type":"operator","id":"0051881","name":"Tri-Energy, Inc."},"validFrom":"2004-02-05","validTo":"2005-08-01","current":false,"derived":true,"evidenceMineId":"1517481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0051881|2004-02-05|0042597|2004-01-16|4091"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0049469","name":"Baily  Allred et al"},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2005-05-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0049469|2005-05-03|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0062143","name":"Hardshell Tipples Inc"},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2005-08-02","validTo":"2005-09-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0062143|2005-08-02|2005-09-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0051849","name":"Calvin R  Tackett"},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2005-08-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0051849|2005-08-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0051849","name":"Calvin R  Tackett"},"object":{"type":"operator","id":"0062143","name":"Hardshell Tipples Inc"},"validFrom":"2005-08-02","validTo":"2005-09-18","current":false,"derived":true,"evidenceMineId":"1517481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0062143|2005-08-02|0051849|2005-08-02|6520"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0059417","name":"Gateway Energy Inc"},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2005-09-19","validTo":"2007-09-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0059417|2005-09-19|2007-09-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0049469","name":"Baily  Allred et al"},"object":{"type":"operator","id":"0059417","name":"Gateway Energy Inc"},"validFrom":"2005-09-19","validTo":"2007-09-19","current":false,"derived":true,"evidenceMineId":"1517481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0059417|2005-09-19|0049469|2005-05-03|6187"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0062143","name":"Hardshell Tipples Inc."},"object":{"type":"mine","id":"1517481","name":"Hardshell Tipples Mine #1"},"validFrom":"2007-09-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0062143|2007-09-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0051849","name":"Calvin R  Tackett"},"object":{"type":"operator","id":"0062143","name":"Hardshell Tipples Inc."},"validFrom":"2007-09-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"1517481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517481|0062143|2007-09-20|0051849|2005-08-02|6521"}}],"coverage":{"historyRecords":12,"edgeCount":28,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1517481","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"}}