{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-18T09:31:49.615Z","identity":{"mine_id":"2003001","name":"T.M. DEVELOPMENT 87\"\"","status":"Abandoned","status_date":"2002-03-20","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MI","county":"Barry","nearest_town":"","operator_id":"L17599","operator_name":"T M Development","controller_id":"M06183","controller_name":"CRH PLC","district":"M4","office":"Duluth District","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":45},"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":"2026-10-18T09:31:49.615908+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":"2003001","name":"T.M. DEVELOPMENT 87\"\""},"operator":{"type":"operator","id":"L17599","name":"T M Development"},"controller":{"type":"controller","id":"M06183","name":"CRH PLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04072","name":"Robert M  Thompson"},"object":{"type":"mine","id":"2003001","name":"T.M. DEVELOPMENT 87\"\""},"validFrom":"1980-08-01","validTo":"1999-07-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2003001|M04072|1980-08-01|1999-07-07"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15105","name":"T M Development Llc"},"object":{"type":"mine","id":"2003001","name":"T.M. DEVELOPMENT 87\"\""},"validFrom":"1997-04-01","validTo":"1999-07-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2003001|L15105|1997-04-01|1999-07-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04072","name":"Robert M  Thompson"},"object":{"type":"operator","id":"L15105","name":"T M Development Llc"},"validFrom":"1997-04-01","validTo":"1999-07-07","current":false,"derived":true,"evidenceMineId":"2003001","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2003001|L15105|1997-04-01|M04072|1980-08-01|130904"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17599","name":"T M Development"},"object":{"type":"mine","id":"2003001","name":"T.M. DEVELOPMENT 87\"\""},"validFrom":"1999-07-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2003001|L17599|1999-07-08|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"2003001","name":"T.M. DEVELOPMENT 87\"\""},"validFrom":"1999-07-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2003001|M06183|1999-07-08|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L17599","name":"T M Development"},"validFrom":"1999-07-08","validTo":null,"current":true,"derived":true,"evidenceMineId":"2003001","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2003001|L17599|1999-07-08|M06183|1999-07-08|136837"}}],"coverage":{"historyRecords":2,"edgeCount":6,"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":2,"firstDate":"2000-10-18","lastDate":"2001-05-31","metrics":{"daysLost":0,"injuries":2,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"44723","DOCUMENT_NO":"220011650027","ACCIDENT_DT":"05/31/2001","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","NARRATIVE":"EE WAS MOVING SCREENS ON PILE TO TRAILER WHEN THE OTHER PERSON DROPPED HIS END AND THE EE GOT HIS FINGER CAUGHT AND CAUSED A LACERATION.","sourceDate":"2001-05-31"},{"SOURCE_ROW_NUMBER":"160928","DOCUMENT_NO":"220003250131","ACCIDENT_DT":"10/18/2000","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall from ladders","OCCUPATION":"Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer","NO_INJURIES":"1","NARRATIVE":"CLIMBING DOWN FROM CONTROL LADDER, HIS FOOT SLIPPED ON LADDER AND HIS HAND WAS IN BETWEEN THE DOOR WHEN HE FELL DOWN THE LADDER. HIS HAND WAS CAUGHT BETWEEN DOOR AND LADDER,","sourceDate":"2000-10-18"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2002-03-20","lastDate":"2002-03-20","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":2,"firstDate":"2000-11-01","lastDate":"2000-11-01","metrics":{"ss":0,"delinquent":2,"recentRows":0,"paidPenalty":110,"proposedPenalty":110,"currentAssessment":110},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"86530","VIOLATION_NO":"7846467","ISSUE_DT":"11/01/2000","CFR_STANDARD_CD":"56.4201(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-11-01"},{"SOURCE_ROW_NUMBER":"86529","VIOLATION_NO":"7846465","ISSUE_DT":"11/01/2000","CFR_STANDARD_CD":"56.18002(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-11-01"}]},{"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":"1997-04-01","lastDate":"1999-07-08","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":1,"firstDate":"2000-11-01","lastDate":"2000-11-01","metrics":{"inspectors":1,"recentRows":0,"onSiteHours":11,"inspectionHours":16,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"345943","EVENT_NO":"0719089","INSPECTION_BEGIN_DT":"11/01/2000","INSPECTION_END_DT":"11/02/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2000-11-01"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":30,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2003-Q4":{"hours":0,"employees":0,"production":0},"2003-Q3":{"hours":0,"employees":0,"production":0},"2003-Q2":{"hours":0,"employees":0,"production":0},"2003-Q1":{"hours":0,"employees":0,"production":0},"2002-Q4":{"hours":0,"employees":0,"production":0},"2002-Q3":{"hours":0,"employees":0,"production":0},"2002-Q2":{"hours":0,"employees":0,"production":0},"2002-Q1":{"hours":0,"employees":0,"production":0},"2001-Q4":{"hours":6347,"employees":12,"production":0},"2001-Q3":{"hours":5522,"employees":8,"production":0},"2001-Q2":{"hours":5498,"employees":10,"production":0},"2001-Q1":{"hours":1193,"employees":7,"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":4,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":14716,"employees":9,"production":0},"2001":{"hours":18560,"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":[]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":2,"firstDate":"2000-11-01","lastDate":"2000-11-01","metrics":{"ss":0,"amountDue":110,"contested":0,"amountPaid":110,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":110},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1317450","VIOLATION_NO":"7846467","VIOLATION_ISSUE_DT":"11/01/2000","SIG_SUB":"N","PART_SECTION":"56.4201(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/02/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-11-01"},{"SOURCE_ROW_NUMBER":"1317449","VIOLATION_NO":"7846465","VIOLATION_ISSUE_DT":"11/01/2000","SIG_SUB":"N","PART_SECTION":"56.18002(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/02/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-11-01"}]}],"safety":{"href":"/api/v1/mines/2003001/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2003001/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":[{"chapter":"I","heading":"Inspection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201","part":"56","subchapter":"K","subpart":"C","id":"56.4201","citation":"30 CFR 56.4201","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":"Examination of working places.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002","part":"56","subchapter":"K","subpart":"Q","id":"56.18002","citation":"30 CFR 56.18002","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":"2003001","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666}}