{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3606334","name":"Speers Dock","status":"Abandoned","status_date":"1990-08-08","mine_type":"Facility","coal_metal":"C","commodity":"Coal (Bituminous)","state":"PA","county":"Washington","nearest_town":"Speers","operator_id":"P19277","operator_name":"Mon-West Enterprises","controller_id":"C13271","controller_name":"Tassone Joseph P","district":"C03","office":"Waynesburg PA Field Office","employees":0,"latitude":40.1242,"longitude":-79.8731},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":6},"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":"3606334","name":"Speers Dock"},"operator":{"type":"operator","id":"P19277","name":"Mon-West Enterprises"},"controller":{"type":"controller","id":"C13271","name":"Tassone Joseph P"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02350","name":"Valentine James & Charles F Speggen"},"object":{"type":"mine","id":"3606334","name":"Speers Dock"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3606334|C02350|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02724","name":"J & C Loading Company"},"object":{"type":"mine","id":"3606334","name":"Speers Dock"},"validFrom":"1973-07-01","validTo":"1987-12-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3606334|P02724|1973-07-01|1987-12-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02350","name":"Valentine James & Charles F Speggen"},"object":{"type":"operator","id":"P02724","name":"J & C Loading Company"},"validFrom":"1973-07-01","validTo":"1987-12-20","current":false,"derived":true,"evidenceMineId":"3606334","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3606334|P02724|1973-07-01|C02350|1950-01-01|58206"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19277","name":"Mon-West Enterprises"},"object":{"type":"mine","id":"3606334","name":"Speers Dock"},"validFrom":"1987-12-21","validTo":"1990-05-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3606334|P19277|1987-12-21|1990-05-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13271","name":"Tassone Joseph P"},"object":{"type":"mine","id":"3606334","name":"Speers Dock"},"validFrom":"1987-12-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3606334|C13271|1987-12-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13271","name":"Tassone Joseph P"},"object":{"type":"operator","id":"P19277","name":"Mon-West Enterprises"},"validFrom":"1987-12-21","validTo":"1990-05-14","current":false,"derived":true,"evidenceMineId":"3606334","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3606334|P19277|1987-12-21|C13271|1987-12-21|89120"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21011","name":"Advantage Fuels Inc"},"object":{"type":"mine","id":"3606334","name":"Speers Dock"},"validFrom":"1990-05-15","validTo":"1991-01-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3606334|P21011|1990-05-15|1991-01-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08148","name":"Rose C Edward"},"object":{"type":"mine","id":"3606334","name":"Speers Dock"},"validFrom":"1990-05-15","validTo":"1991-01-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3606334|C08148|1990-05-15|1991-01-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08148","name":"Rose C Edward"},"object":{"type":"operator","id":"P21011","name":"Advantage Fuels Inc"},"validFrom":"1990-05-15","validTo":"1991-01-24","current":false,"derived":true,"evidenceMineId":"3606334","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3606334|P21011|1990-05-15|C08148|1990-05-15|76550"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19277","name":"Mon-West Enterprises"},"object":{"type":"mine","id":"3606334","name":"Speers Dock"},"validFrom":"1991-01-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3606334|P19277|1991-01-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13271","name":"Tassone Joseph P"},"object":{"type":"operator","id":"P19277","name":"Mon-West Enterprises"},"validFrom":"1991-01-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"3606334","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3606334|P19277|1991-01-25|C13271|1987-12-21|89121"}}],"coverage":{"historyRecords":4,"edgeCount":11,"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":"1990-08-08","lastDate":"1990-08-08","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":4,"firstDate":"1973-07-01","lastDate":"1991-01-25","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":3},"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/3606334/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3606334/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":"3606334","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}