{"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":"1518481","name":"Sandlick No. 1"},"operator":{"type":"operator","id":"0163173","name":"Tero-Therm Inc"},"controller":{"type":"controller","id":"0147281","name":"Spark Capital LLC; Greg  Boggs; Michael  Zienkovicz; Imran  Firoz"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10890","name":"David  Hogg et al"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"1986-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|C10890|1986-05-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11090","name":"Roy  Parsons"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"1994-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|C11090|1994-08-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22828","name":"Kipar, Inc."},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2001-11-27","validTo":"2004-01-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|P22828|2001-11-27|2004-01-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11090","name":"Roy  Parsons"},"object":{"type":"operator","id":"P22828","name":"Kipar, Inc."},"validFrom":"2001-11-27","validTo":"2004-01-19","current":false,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|P22828|2001-11-27|C11090|1994-08-01|83590"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12564","name":"Cindy A  Stewart"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2003-12-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|C12564|2003-12-08|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17885","name":"Kannan Mining Co., Inc."},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2004-01-20","validTo":"2004-02-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|P17885|2004-01-20|2004-02-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10890","name":"David  Hogg et al"},"object":{"type":"operator","id":"P17885","name":"Kannan Mining Co., Inc."},"validFrom":"2004-01-20","validTo":"2004-02-26","current":false,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|P17885|2004-01-20|C10890|1986-05-01|83039"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22828","name":"Kipar Inc"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2004-02-27","validTo":"2004-07-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|P22828|2004-02-27|2004-07-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11090","name":"Roy  Parsons"},"object":{"type":"operator","id":"P22828","name":"Kipar Inc"},"validFrom":"2004-02-27","validTo":"2004-07-05","current":false,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|P22828|2004-02-27|C11090|1994-08-01|83591"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051722","name":"Jane Coal Inc"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2004-07-06","validTo":"2006-10-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0051722|2004-07-06|2006-10-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12564","name":"Cindy A  Stewart"},"object":{"type":"operator","id":"0051722","name":"Jane Coal Inc"},"validFrom":"2004-07-06","validTo":"2006-10-19","current":false,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0051722|2004-07-06|C12564|2003-12-08|87370"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0060749","name":"James M  Davidson Jr"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2006-06-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0060749|2006-06-13|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0072583","name":"Davidson Mining & Excavation LLC"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2006-10-20","validTo":"2011-08-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0072583|2006-10-20|2011-08-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0060749","name":"James M  Davidson Jr"},"object":{"type":"operator","id":"0072583","name":"Davidson Mining & Excavation LLC"},"validFrom":"2006-10-20","validTo":"2011-08-08","current":false,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0072583|2006-10-20|0060749|2006-06-13|8091"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15651","name":"Erik  Addington et al"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2008-06-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|C15651|2008-06-20|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0094173","name":"James C  Halcomb"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2010-06-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0094173|2010-06-28|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0091865","name":"Red Bush Coal, LLC"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2011-08-09","validTo":"2012-09-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0091865|2011-08-09|2012-09-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15651","name":"Erik  Addington et al"},"object":{"type":"operator","id":"0091865","name":"Red Bush Coal, LLC"},"validFrom":"2011-08-09","validTo":"2012-09-25","current":false,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0091865|2011-08-09|C15651|2008-06-20|96424"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15651","name":"A Bruce  Addington et al"},"object":{"type":"operator","id":"0091865","name":"Red Bush Coal, LLC"},"validFrom":"2011-08-09","validTo":"2012-09-25","current":false,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0091865|2011-08-09|C15651|2008-06-20|96425"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0111326","name":"Halco Services, LLC"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2012-09-26","validTo":"2017-12-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0111326|2012-09-26|2017-12-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0094173","name":"James C  Halcomb"},"object":{"type":"operator","id":"0111326","name":"Halco Services, LLC"},"validFrom":"2012-09-26","validTo":"2017-12-13","current":false,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0111326|2012-09-26|0094173|2010-06-28|15416"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0114863","name":"Shannon  Burnett et al"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2014-09-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0114863|2014-09-02|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0134933","name":"SF Contracting LLC"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2017-12-14","validTo":"2019-04-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0134933|2017-12-14|2019-04-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0114863","name":"Shannon  Burnett et al"},"object":{"type":"operator","id":"0134933","name":"SF Contracting LLC"},"validFrom":"2017-12-14","validTo":"2019-04-24","current":false,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0134933|2017-12-14|0114863|2014-09-02|21603"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0114863","name":"Charlie  Slykhuis et al"},"object":{"type":"operator","id":"0134933","name":"SF Contracting LLC"},"validFrom":"2017-12-14","validTo":"2019-04-24","current":false,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0134933|2017-12-14|0114863|2014-09-02|21604"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0163173","name":"Tero-Therm Inc"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2019-04-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0163173|2019-04-25|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0147281","name":"Imran  Firoz et al"},"object":{"type":"mine","id":"1518481","name":"Sandlick No. 1"},"validFrom":"2019-04-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0147281|2019-04-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0147281","name":"Imran  Firoz et al"},"object":{"type":"operator","id":"0163173","name":"Tero-Therm Inc"},"validFrom":"2019-04-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0163173|2019-04-25|0147281|2019-04-25|30197"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0147281","name":"Greg  Boggs et al"},"object":{"type":"operator","id":"0163173","name":"Tero-Therm Inc"},"validFrom":"2019-04-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0163173|2019-04-25|0147281|2019-04-25|30198"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0147281","name":"Spark Capital LLC et al"},"object":{"type":"operator","id":"0163173","name":"Tero-Therm Inc"},"validFrom":"2019-04-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0163173|2019-04-25|0147281|2019-04-25|30199"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0147281","name":"Michael  Zienkovicz et al"},"object":{"type":"operator","id":"0163173","name":"Tero-Therm Inc"},"validFrom":"2019-04-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518481","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518481|0163173|2019-04-25|0147281|2019-04-25|30200"}}],"coverage":{"historyRecords":14,"edgeCount":31,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1518481","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"}}