{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3608155","name":"Silt Drying Facility","status":"Abandoned","status_date":"1996-12-19","mine_type":"Facility","coal_metal":"C","commodity":"Coal (Anthracite)","state":"PA","county":"Schuylkill","nearest_town":"Shenandoah","operator_id":"P01624","operator_name":"Reading Anthracite Company","controller_id":"0174120","controller_name":"Maria  Cantwell; Bonnie R Ryan; Brian R Rich","district":"M2","office":"Frackville PA Field Office","employees":0,"latitude":40.8083,"longitude":-76.1783},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":11},"relationships":{"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":"3608155","name":"Silt Drying Facility"},"operator":{"type":"operator","id":"P01624","name":"Reading Anthracite Company"},"controller":{"type":"controller","id":"0174120","name":"Maria  Cantwell; Bonnie R Ryan; Brian R Rich"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01331","name":"John W  Rich et al"},"object":{"type":"mine","id":"3608155","name":"Silt Drying Facility"},"validFrom":"1950-01-01","validTo":"2023-01-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|C01331|1950-01-01|2023-01-17"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01624","name":"Reading Anthracite Company"},"object":{"type":"mine","id":"3608155","name":"Silt Drying Facility"},"validFrom":"1990-02-01","validTo":"1990-03-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|P01624|1990-02-01|1990-03-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01331","name":"John W  Rich et al"},"object":{"type":"operator","id":"P01624","name":"Reading Anthracite Company"},"validFrom":"1990-02-01","validTo":"1990-03-15","current":false,"derived":true,"evidenceMineId":"3608155","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|P01624|1990-02-01|C01331|1950-01-01|53542"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20881","name":"Combustion Systems Services Inc"},"object":{"type":"mine","id":"3608155","name":"Silt Drying Facility"},"validFrom":"1990-03-16","validTo":"1991-02-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|P20881|1990-03-16|1991-02-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13273","name":"Asea Brown Boveri Ltd (ABB)"},"object":{"type":"mine","id":"3608155","name":"Silt Drying Facility"},"validFrom":"1990-03-16","validTo":"1994-02-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|C13273|1990-03-16|1994-02-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13273","name":"Asea Brown Boveri Ltd (ABB)"},"object":{"type":"operator","id":"P20881","name":"Combustion Systems Services Inc"},"validFrom":"1990-03-16","validTo":"1991-02-28","current":false,"derived":true,"evidenceMineId":"3608155","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|P20881|1990-03-16|C13273|1990-03-16|89126"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01624","name":"Reading Anthracite Company"},"object":{"type":"mine","id":"3608155","name":"Silt Drying Facility"},"validFrom":"1991-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|P01624|1991-03-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01331","name":"John W  Rich et al"},"object":{"type":"operator","id":"P01624","name":"Reading Anthracite Company"},"validFrom":"1991-03-01","validTo":"2023-01-17","current":false,"derived":true,"evidenceMineId":"3608155","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|P01624|1991-03-01|C01331|1950-01-01|53543"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0174120","name":"Maria  Cantwell et al"},"object":{"type":"mine","id":"3608155","name":"Silt Drying Facility"},"validFrom":"2023-01-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|0174120|2023-01-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0174120","name":"Maria  Cantwell et al"},"object":{"type":"operator","id":"P01624","name":"Reading Anthracite Company"},"validFrom":"2023-01-18","validTo":"1990-03-15","current":false,"derived":true,"evidenceMineId":"3608155","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|P01624|1990-02-01|0174120|2023-01-18|36967"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0174120","name":"Bonnie R Ryan et al"},"object":{"type":"operator","id":"P01624","name":"Reading Anthracite Company"},"validFrom":"2023-01-18","validTo":"1990-03-15","current":false,"derived":true,"evidenceMineId":"3608155","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|P01624|1990-02-01|0174120|2023-01-18|36968"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0174120","name":"Brian R Rich et al"},"object":{"type":"operator","id":"P01624","name":"Reading Anthracite Company"},"validFrom":"2023-01-18","validTo":"1990-03-15","current":false,"derived":true,"evidenceMineId":"3608155","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|P01624|1990-02-01|0174120|2023-01-18|36969"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0174120","name":"Maria  Cantwell et al"},"object":{"type":"operator","id":"P01624","name":"Reading Anthracite Company"},"validFrom":"2023-01-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608155","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|P01624|1991-03-01|0174120|2023-01-18|36970"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0174120","name":"Brian R Rich et al"},"object":{"type":"operator","id":"P01624","name":"Reading Anthracite Company"},"validFrom":"2023-01-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608155","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|P01624|1991-03-01|0174120|2023-01-18|36971"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0174120","name":"Bonnie R Ryan et al"},"object":{"type":"operator","id":"P01624","name":"Reading Anthracite Company"},"validFrom":"2023-01-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608155","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608155|P01624|1991-03-01|0174120|2023-01-18|36972"}}],"coverage":{"historyRecords":9,"edgeCount":15,"intervalAnomalies":3,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"1996-12-19","lastDate":"1996-12-19","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":9,"firstDate":"1990-02-01","lastDate":"1991-03-01","metrics":{"recentRows":0,"currentOperatorTenures":4,"completedOperatorTenures":5},"periods":{},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]}],"safety":{"href":"/api/v1/mines/3608155/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3608155/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3608155","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}