{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3608435","name":"Marshall Run Mine","status":"Abandoned and Sealed","status_date":"2000-08-21","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"PA","county":"Indiana","nearest_town":"Jacksonville","operator_id":"P24199","operator_name":"Helvetia Coal Company","controller_id":"C00692","controller_name":"CONSOL Energy Inc","district":"C03","office":"Indiana PA Field Office","employees":0,"latitude":40.5231,"longitude":-79.3286},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":16},"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":"3608435","name":"Marshall Run Mine"},"operator":{"type":"operator","id":"P24199","name":"Helvetia Coal Company"},"controller":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01537","name":"Rochester & Pittsburgh Coal Company"},"object":{"type":"mine","id":"3608435","name":"Marshall Run Mine"},"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":"3608435|C01537|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01825","name":"Helvetia Coal Company"},"object":{"type":"mine","id":"3608435","name":"Marshall Run Mine"},"validFrom":"1993-10-01","validTo":"1998-06-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608435|P01825|1993-10-01|1998-06-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01537","name":"Rochester & Pittsburgh Coal Company"},"object":{"type":"operator","id":"P01825","name":"Helvetia Coal Company"},"validFrom":"1993-10-01","validTo":"1998-06-10","current":false,"derived":true,"evidenceMineId":"3608435","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608435|P01825|1993-10-01|C01537|1950-01-01|54584"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24199","name":"Helvetia Coal Company"},"object":{"type":"mine","id":"3608435","name":"Marshall Run Mine"},"validFrom":"1998-06-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608435|P24199|1998-06-11|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"mine","id":"3608435","name":"Marshall Run Mine"},"validFrom":"1998-06-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608435|C00692|1998-06-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"operator","id":"P24199","name":"Helvetia Coal Company"},"validFrom":"1998-06-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608435","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608435|P24199|1998-06-11|C00692|1998-06-11|49346"}}],"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":"2000-08-21","lastDate":"2000-08-21","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":"1993-10-01","lastDate":"1998-06-11","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":6,"firstDate":"2000-01-10","lastDate":"2000-07-20","metrics":{"inspectors":6,"recentRows":0,"onSiteHours":26,"inspectionHours":51,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"658425","EVENT_NO":"4046695","INSPECTION_BEGIN_DT":"07/20/2000","INSPECTION_END_DT":"07/20/2000","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2000-07-20"},{"SOURCE_ROW_NUMBER":"67197","EVENT_NO":"4046681","INSPECTION_BEGIN_DT":"04/27/2000","INSPECTION_END_DT":"05/01/2000","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2000-04-27"},{"SOURCE_ROW_NUMBER":"555507","EVENT_NO":"4047194","INSPECTION_BEGIN_DT":"04/06/2000","INSPECTION_END_DT":"04/07/2000","ACTIVITY_CODE":"CAA","ACTIVITY":"SPOT INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2000-04-06"},{"SOURCE_ROW_NUMBER":"250700","EVENT_NO":"4047185","INSPECTION_BEGIN_DT":"03/15/2000","INSPECTION_END_DT":"03/16/2000","ACTIVITY_CODE":"CAA","ACTIVITY":"SPOT INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2000-03-15"},{"SOURCE_ROW_NUMBER":"182502","EVENT_NO":"4047180","INSPECTION_BEGIN_DT":"02/23/2000","INSPECTION_END_DT":"02/23/2000","ACTIVITY_CODE":"CBA","ACTIVITY":"ELECTRICAL INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2000-02-23"},{"SOURCE_ROW_NUMBER":"1013688","EVENT_NO":"4046582","INSPECTION_BEGIN_DT":"01/10/2000","INSPECTION_END_DT":"01/26/2000","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"23.5","SUM_TOTAL_ON_SITE_HOURS":"12","sourceDate":"2000-01-10"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":4,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000-Q3":{"hours":0,"employees":0,"production":0},"2000-Q2":{"hours":144,"employees":1,"production":0},"2000-Q1":{"hours":3846,"employees":11,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":3990,"employees":12,"production":0}},"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/3608435/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3608435/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":"3608435","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}