{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3610295","name":"Helvetia #3","status":"Abandoned","status_date":"2026-04-02","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"PA","county":"Clearfield","nearest_town":"Stump Creek","operator_id":"0107347","operator_name":"Black Cat Coal, LLC","controller_id":"0077953","controller_name":"Kim  Horton","district":"M2","office":"Clearfield PA Field Office","employees":0,"latitude":41.041667,"longitude":-78.775556},"coverage":{"contributingSources":4,"registeredSources":20,"sourceRows":10},"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":"3610295","name":"Helvetia #3"},"operator":{"type":"operator","id":"0107347","name":"Black Cat Coal, LLC"},"controller":{"type":"controller","id":"0077953","name":"Kim  Horton"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0090837","name":"Kim  Horton et al"},"object":{"type":"mine","id":"3610295","name":"Helvetia #3"},"validFrom":"2010-01-29","validTo":"2013-12-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610295|0090837|2010-01-29|2013-12-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0077953","name":"Kim  Horton"},"object":{"type":"mine","id":"3610295","name":"Helvetia #3"},"validFrom":"2013-12-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610295|0077953|2013-12-31|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0107347","name":"Black Cat Coal, LLC"},"object":{"type":"mine","id":"3610295","name":"Helvetia #3"},"validFrom":"2019-06-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610295|0107347|2019-06-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0077953","name":"Kim  Horton"},"object":{"type":"operator","id":"0107347","name":"Black Cat Coal, LLC"},"validFrom":"2019-06-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"3610295","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610295|0107347|2019-06-06|0077953|2013-12-31|12284"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0090837","name":"Kim  Horton et al"},"object":{"type":"operator","id":"0107347","name":"Black Cat Coal, LLC"},"validFrom":"2019-06-06","validTo":"2013-12-30","current":false,"derived":true,"evidenceMineId":"3610295","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610295|0107347|2019-06-06|0090837|2010-01-29|14586"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0090837","name":"Lloyd  Dahlem et al"},"object":{"type":"operator","id":"0107347","name":"Black Cat Coal, LLC"},"validFrom":"2019-06-06","validTo":"2013-12-30","current":false,"derived":true,"evidenceMineId":"3610295","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610295|0107347|2019-06-06|0090837|2010-01-29|14587"}}],"coverage":{"historyRecords":3,"edgeCount":6,"intervalAnomalies":2,"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":"2026-04-02","lastDate":"2026-04-02","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":3,"firstDate":"2019-06-06","lastDate":"2019-06-06","metrics":{"recentRows":0,"currentOperatorTenures":3,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":5,"firstDate":"2019-07-24","lastDate":"2026-03-25","metrics":{"inspectors":5,"recentRows":3,"onSiteHours":9.5,"inspectionHours":25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"82068","EVENT_NO":"F0256BC","INSPECTION_BEGIN_DT":"03/25/2026","INSPECTION_END_DT":"03/25/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2026-03-25"},{"SOURCE_ROW_NUMBER":"213131","EVENT_NO":"F00DDC8","INSPECTION_BEGIN_DT":"09/24/2024","INSPECTION_END_DT":"09/24/2024","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2024-09-24"},{"SOURCE_ROW_NUMBER":"742107","EVENT_NO":"6249654","INSPECTION_BEGIN_DT":"09/05/2023","INSPECTION_END_DT":"09/05/2023","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.25","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2023-09-05"},{"SOURCE_ROW_NUMBER":"1100407","EVENT_NO":"4040850","INSPECTION_BEGIN_DT":"11/20/2019","INSPECTION_END_DT":"12/16/2019","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.75","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2019-11-20"},{"SOURCE_ROW_NUMBER":"894488","EVENT_NO":"4040868","INSPECTION_BEGIN_DT":"07/24/2019","INSPECTION_END_DT":"08/05/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.5","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2019-07-24"}]},{"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/3610295/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3610295/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":"3610295","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}