{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2200703","name":"ROCK CITY","status":"Abandoned","status_date":"2000-09-30","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MS","county":"Hancock","nearest_town":"","operator_id":"L16299","operator_name":"Rock City Sand & Gravel Inc","controller_id":"M12468","controller_name":"Ed  Lubonski","district":"M5","office":"Broussard LA Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":7,"registeredSources":20,"sourceRows":9},"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":"2200703","name":"ROCK CITY"},"operator":{"type":"operator","id":"L16299","name":"Rock City Sand & Gravel Inc"},"controller":{"type":"controller","id":"M12468","name":"Ed  Lubonski"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16299","name":"Rock City Sand & Gravel Inc"},"object":{"type":"mine","id":"2200703","name":"ROCK CITY"},"validFrom":"1998-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2200703|L16299|1998-12-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12468","name":"Ed  Lubonski"},"object":{"type":"mine","id":"2200703","name":"ROCK CITY"},"validFrom":"1998-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2200703|M12468|1998-12-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12468","name":"Ed  Lubonski"},"object":{"type":"operator","id":"L16299","name":"Rock City Sand & Gravel Inc"},"validFrom":"1998-12-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2200703","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2200703|L16299|1998-12-01|M12468|1998-12-01|153804"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":1,"firstDate":"2000-06-01","lastDate":"2000-06-01","metrics":{"daysLost":6,"injuries":1,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"10451","DOCUMENT_NO":"220001800007","ACCIDENT_DT":"06/01/2000","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"OTHER","ACCIDENT_TYPE":"Absorption of radiations, caustics, toxic and noxious substances","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"6","NARRATIVE":"EE REPORTED TO WORK 6/4/00 WITH LUMP ON SHOULDER. CLAIMED HAD BEEN STUNG BY WASP 3 DAYS PREVIOUSLY; LATER CLAIMED IT BY SPIDER, LATER HORSEFLY - WHILE SITTING AT DESK IN OFFICE TRAILER. NO WIT NESS AND NOT REPORTED TO FOREMAN AT THE TIME. SENT TO ER 6/4/00.","sourceDate":"2000-06-01"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2000-09-30","lastDate":"2000-09-30","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":1,"firstDate":"1998-12-01","lastDate":"1998-12-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":1,"firstDate":"2000-06-27","lastDate":"2000-06-27","metrics":{"inspectors":2,"recentRows":0,"onSiteHours":10,"inspectionHours":26,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1111283","EVENT_NO":"0711437","INSPECTION_BEGIN_DT":"06/27/2000","INSPECTION_END_DT":"06/27/2000","ACTIVITY_CODE":"13","ACTIVITY":"HAZARD COMPLAINT INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"26","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2000-06-27"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000-Q2":{"hours":10,"employees":1,"production":0},"2000-Q1":{"hours":3011,"employees":8,"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":3021,"employees":9,"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/2200703/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2200703/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":"2200703","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}