{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4402964","name":"Leesburg Plant","status":"Active","status_date":"1983-01-13","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Granite","state":"VA","county":"Loudoun","nearest_town":"LEESBURG","operator_id":"L06215","operator_name":"Luck Stone Corporation","controller_id":"M01765","controller_name":"Charles S  Luck IV","district":"C05","office":"Staunton VA Field Office","employees":33,"latitude":39.060556,"longitude":-77.52},"coverage":{"contributingSources":15,"registeredSources":20,"sourceRows":2731},"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":"4402964","name":"Leesburg Plant"},"operator":{"type":"operator","id":"L06215","name":"Luck Stone Corporation"},"controller":{"type":"controller","id":"M01765","name":"Charles S  Luck IV"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06215","name":"Luck Stone Corporation"},"object":{"type":"mine","id":"4402964","name":"Leesburg Plant"},"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":"4402964|L06215|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01765","name":"Charles S  Luck IV  et al"},"object":{"type":"mine","id":"4402964","name":"Leesburg Plant"},"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":"4402964|M01765|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01765","name":"Charles S  Luck IV  et al"},"object":{"type":"operator","id":"L06215","name":"Luck Stone Corporation"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4402964","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4402964|L06215|1950-01-01|M01765|1950-01-01|120850"}}],"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":33,"firstDate":"2001-04-11","lastDate":"2024-07-22","metrics":{"daysLost":262,"injuries":33,"fatalities":1,"recentRows":5,"restrictedDays":364,"contractorRecords":4},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"196638","DOCUMENT_NO":"220242080016","ACCIDENT_DT":"07/22/2024","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Flash burns (welding)","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","DAYS_LOST":"1","NARRATIVE":"Associate was welding on skid steer bucket. 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EE reached in to reposition the wrench as the other associate pulled/pushed on the ratchet causing EE's finger to get pinched between the railing and the wrench.","sourceDate":"2023-08-01"},{"SOURCE_ROW_NUMBER":"76410","DOCUMENT_NO":"220221810029","ACCIDENT_DT":"06/27/2022","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall onto or against objects","OCCUPATION":"Miner, Prospector, NEC","NO_INJURIES":"1","DAYS_LOST":"3","NARRATIVE":"EE was washing out the material in the bottom of a load out bin. 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While spreading salt EE slipped on the ice and fell hurting EE's right leg and knee.","sourceDate":"2022-01-18"},{"SOURCE_ROW_NUMBER":"67661","DOCUMENT_NO":"220190700025","ACCIDENT_DT":"03/05/2019","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Miner, Prospector, NEC","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"While cleaning out ice build up in the socket sealing ring, the associate made contact with one of the edges on it, resulting in a laceration on the back of the wrist through the glove.  The laceration resulted in 7 stitches.","sourceDate":"2019-03-05"},{"SOURCE_ROW_NUMBER":"196637","DOCUMENT_NO":"220180250002","ACCIDENT_DT":"01/11/2018","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Electrician helper","NO_INJURIES":"1","DAYS_LOST":"1","NARRATIVE":"Employee slipped, fell to knees.","sourceDate":"2018-01-11"},{"SOURCE_ROW_NUMBER":"37698","DOCUMENT_NO":"220173420008","ACCIDENT_DT":"11/29/2017","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Rubbed or abraded","OCCUPATION":"Miner, Prospector, NEC","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"While removing a zip tie from a hardhat, employee received a small puncture wound from the cut end of a zip tie. There was no immediate pain or even blood, so employee shook it off and went about the day. 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The operator is not responsible for an inaccurate label obtained from the chemical's manufacturer or supplier.","occurrenceCount":1},{"chapter":"I","heading":"Inspection and cover plates.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032","part":"56","subchapter":"K","subpart":"K","id":"56.12032","citation":"30 CFR 56.12032","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"General requirements.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200","part":"56","subchapter":"K","subpart":"C","id":"56.4200","citation":"30 CFR 56.4200","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Parking procedures for unattended equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207","part":"56","subchapter":"K","subpart":"M","id":"56.14207","citation":"30 CFR 56.14207","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Brakes.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101","part":"56","subchapter":"K","subpart":"M","id":"56.14101","citation":"30 CFR 56.14101","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Insulation and fittings for power wires and cables.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008","part":"56","subchapter":"K","subpart":"K","id":"56.12008","citation":"30 CFR 56.12008","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Construction and maintenance of guards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112","part":"56","subchapter":"K","subpart":"M","id":"56.14112","citation":"30 CFR 56.14112","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4402964","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}