{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3607315","name":"Lykens No 1","status":"Abandoned","status_date":"1986-02-14","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Anthracite)","state":"PA","county":"Schuylkill","nearest_town":"Zerbe-Tremont","operator_id":"P15697","operator_name":"Gaelic Coal Corp","controller_id":"C10289","controller_name":"Colkitt Douglas R","district":"M2","office":"Frackville PA Field Office","employees":0,"latitude":40.6786,"longitude":-76.3414},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":4},"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":"3607315","name":"Lykens No 1"},"operator":{"type":"operator","id":"P15697","name":"Gaelic Coal Corp"},"controller":{"type":"controller","id":"C10289","name":"Colkitt Douglas R"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13355","name":"A-1 Contracting Company"},"object":{"type":"mine","id":"3607315","name":"Lykens No 1"},"validFrom":"1982-05-01","validTo":"1984-06-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607315|P13355|1982-05-01|1984-06-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09785","name":"Weir Melvin-Joe Lipsett Et Al"},"object":{"type":"mine","id":"3607315","name":"Lykens No 1"},"validFrom":"1982-05-01","validTo":"1984-06-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607315|C09785|1982-05-01|1984-06-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09785","name":"Weir Melvin-Joe Lipsett Et Al"},"object":{"type":"operator","id":"P13355","name":"A-1 Contracting Company"},"validFrom":"1982-05-01","validTo":"1984-06-11","current":false,"derived":true,"evidenceMineId":"3607315","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607315|P13355|1982-05-01|C09785|1982-05-01|80592"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15697","name":"Gaelic Coal Corp"},"object":{"type":"mine","id":"3607315","name":"Lykens No 1"},"validFrom":"1984-06-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607315|P15697|1984-06-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10289","name":"Colkitt Douglas R"},"object":{"type":"mine","id":"3607315","name":"Lykens No 1"},"validFrom":"1984-06-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607315|C10289|1984-06-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10289","name":"Colkitt Douglas R"},"object":{"type":"operator","id":"P15697","name":"Gaelic Coal Corp"},"validFrom":"1984-06-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"3607315","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607315|P15697|1984-06-12|C10289|1984-06-12|81642"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"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":"1986-02-14","lastDate":"1986-02-14","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":2,"firstDate":"1982-05-01","lastDate":"1984-06-12","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":1},"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/3607315/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3607315/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":"3607315","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}