{"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":"1519774","name":"Swan Pond"},"operator":{"type":"operator","id":"0178073","name":"Kamco, LLC."},"controller":{"type":"controller","id":"0163841","name":"Scott D  Stewart"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0057409","name":"James  Cox et al"},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2007-03-30","validTo":"2009-07-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0057409|2007-03-30|2009-07-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0089493","name":"NCGPAsset Holdings II LP et al"},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2009-07-17","validTo":"2011-07-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0089493|2009-07-17|2011-07-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0100987","name":"Ferroglobe PLC"},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2011-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0100987|2011-08-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0112301","name":"Deborah  Pinney et al"},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2013-12-24","validTo":"2024-11-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0112301|2013-12-24|2024-11-30"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0137413","name":"Swope Energy LLC"},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2015-02-24","validTo":"2016-10-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0137413|2015-02-24|2016-10-17"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0116881","name":"Chandler  Swope"},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2015-02-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0116881|2015-02-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0116881","name":"Chandler  Swope"},"object":{"type":"operator","id":"0137413","name":"Swope Energy LLC"},"validFrom":"2015-02-24","validTo":"2016-10-17","current":false,"derived":true,"evidenceMineId":"1519774","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0137413|2015-02-24|0116881|2015-02-24|22172"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0132053","name":"Loudermilk Contracting INC."},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2016-10-18","validTo":"2018-07-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0132053|2016-10-18|2018-07-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0112301","name":"Deborah  Pinney et al"},"object":{"type":"operator","id":"0132053","name":"Loudermilk Contracting INC."},"validFrom":"2016-10-18","validTo":"2018-07-09","current":false,"derived":true,"evidenceMineId":"1519774","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0132053|2016-10-18|0112301|2013-12-24|20874"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0112301","name":"Joseph  Loudermilk et al"},"object":{"type":"operator","id":"0132053","name":"Loudermilk Contracting INC."},"validFrom":"2016-10-18","validTo":"2018-07-09","current":false,"derived":true,"evidenceMineId":"1519774","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0132053|2016-10-18|0112301|2013-12-24|20875"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0080224","name":"Alden Resources LLC"},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2018-07-10","validTo":"2019-06-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0080224|2018-07-10|2019-06-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0057409","name":"James  Cox et al"},"object":{"type":"operator","id":"0080224","name":"Alden Resources LLC"},"validFrom":"2018-07-10","validTo":"2009-07-16","current":false,"derived":true,"evidenceMineId":"1519774","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0080224|2018-07-10|0057409|2007-03-30|7634"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0089493","name":"NCGPAsset Holdings II LP et al"},"object":{"type":"operator","id":"0080224","name":"Alden Resources LLC"},"validFrom":"2018-07-10","validTo":"2011-07-31","current":false,"derived":true,"evidenceMineId":"1519774","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0080224|2018-07-10|0089493|2009-07-17|14403"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0100987","name":"Ferroglobe PLC"},"object":{"type":"operator","id":"0080224","name":"Alden Resources LLC"},"validFrom":"2018-07-10","validTo":"2019-06-10","current":false,"derived":true,"evidenceMineId":"1519774","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0080224|2018-07-10|0100987|2011-08-01|16937"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0142143","name":"Kevin  Elza et al"},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2018-09-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0142143|2018-09-28|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0159293","name":"7 Enterprises LLC"},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2019-06-11","validTo":"2021-05-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0159293|2019-06-11|2021-05-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0142143","name":"Kevin  Elza et al"},"object":{"type":"operator","id":"0159293","name":"7 Enterprises LLC"},"validFrom":"2019-06-11","validTo":"2021-05-17","current":false,"derived":true,"evidenceMineId":"1519774","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0159293|2019-06-11|0142143|2018-09-28|28732"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0142143","name":"Kyle W  Elza et al"},"object":{"type":"operator","id":"0159293","name":"7 Enterprises LLC"},"validFrom":"2019-06-11","validTo":"2021-05-17","current":false,"derived":true,"evidenceMineId":"1519774","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0159293|2019-06-11|0142143|2018-09-28|28733"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0142143","name":"Jody K  Elza et al"},"object":{"type":"operator","id":"0159293","name":"7 Enterprises LLC"},"validFrom":"2019-06-11","validTo":"2021-05-17","current":false,"derived":true,"evidenceMineId":"1519774","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0159293|2019-06-11|0142143|2018-09-28|28734"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0159143","name":"Steven R  Adkins"},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2020-11-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0159143|2020-11-06|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0174195","name":"ADCO Excavation, LLC"},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2021-05-18","validTo":"2022-03-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0174195|2021-05-18|2022-03-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0159143","name":"Steven R  Adkins"},"object":{"type":"operator","id":"0174195","name":"ADCO Excavation, LLC"},"validFrom":"2021-05-18","validTo":"2022-03-13","current":false,"derived":true,"evidenceMineId":"1519774","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0174195|2021-05-18|0159143|2020-11-06|33062"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0163841","name":"Scott D  Stewart"},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2021-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0163841|2021-07-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0178073","name":"Kamco, LLC."},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2022-03-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0178073|2022-03-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0163841","name":"Scott D  Stewart"},"object":{"type":"operator","id":"0178073","name":"Kamco, LLC."},"validFrom":"2022-03-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519774","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0178073|2022-03-14|0163841|2021-07-01|34329"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0189420","name":"Joseph Henry Loudermilk et al"},"object":{"type":"mine","id":"1519774","name":"Swan Pond"},"validFrom":"2024-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0189420|2024-12-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0189420","name":"Joseph Henry Loudermilk et al"},"object":{"type":"operator","id":"0132053","name":"Loudermilk Contracting INC."},"validFrom":"2024-12-01","validTo":"2018-07-09","current":false,"derived":true,"evidenceMineId":"1519774","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0132053|2016-10-18|0189420|2024-12-01|40352"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0189420","name":"John Daniel Loudermilk et al"},"object":{"type":"operator","id":"0132053","name":"Loudermilk Contracting INC."},"validFrom":"2024-12-01","validTo":"2018-07-09","current":false,"derived":true,"evidenceMineId":"1519774","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519774|0132053|2016-10-18|0189420|2024-12-01|40353"}}],"coverage":{"historyRecords":13,"edgeCount":28,"intervalAnomalies":4,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1519774","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"}}