{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1200058","name":"Bryant Quarry","status":"Abandoned","status_date":"2008-04-11","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"IN","county":"Adams","nearest_town":"Bryant","operator_id":"L00224","operator_name":"Stoneco  Inc","controller_id":"M06183","controller_name":"CRH PLC","district":"C08","office":"Mooresville IN Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":7,"registeredSources":20,"sourceRows":105},"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":"1200058","name":"Bryant Quarry"},"operator":{"type":"operator","id":"L00224","name":"Stoneco  Inc"},"controller":{"type":"controller","id":"M06183","name":"CRH PLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00652","name":"Johnson S E Companies Inc"},"object":{"type":"mine","id":"1200058","name":"Bryant Quarry"},"validFrom":"1950-01-01","validTo":"2003-06-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1200058|M00652|1950-01-01|2003-06-15"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01727","name":"John W Karch Stone Company"},"object":{"type":"mine","id":"1200058","name":"Bryant Quarry"},"validFrom":"1950-01-01","validTo":"1988-07-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1200058|L01727|1950-01-01|1988-07-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01551","name":"George  Karch et al"},"object":{"type":"mine","id":"1200058","name":"Bryant Quarry"},"validFrom":"1950-01-01","validTo":"1988-07-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1200058|M01551|1950-01-01|1988-07-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01551","name":"George  Karch et al"},"object":{"type":"operator","id":"L01727","name":"John W Karch Stone Company"},"validFrom":"1950-01-01","validTo":"1988-07-24","current":false,"derived":true,"evidenceMineId":"1200058","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1200058|L01727|1950-01-01|M01551|1950-01-01|119234"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00224","name":"Stoneco  Inc"},"object":{"type":"mine","id":"1200058","name":"Bryant Quarry"},"validFrom":"1988-07-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1200058|L00224|1988-07-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00652","name":"Johnson S E Companies Inc"},"object":{"type":"operator","id":"L00224","name":"Stoneco  Inc"},"validFrom":"1988-07-25","validTo":"2003-06-15","current":false,"derived":true,"evidenceMineId":"1200058","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1200058|L00224|1988-07-25|M00652|1950-01-01|113817"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"1200058","name":"Bryant Quarry"},"validFrom":"2003-06-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1200058|M06183|2003-06-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L00224","name":"Stoneco  Inc"},"validFrom":"2003-06-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"1200058","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1200058|L00224|1988-07-25|M06183|2003-06-16|137066"}}],"coverage":{"historyRecords":3,"edgeCount":8,"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":"2008-04-11","lastDate":"2008-04-11","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":"1950-01-01","lastDate":"1988-07-25","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":13,"firstDate":"2000-08-31","lastDate":"2008-04-14","metrics":{"inspectors":13,"recentRows":0,"onSiteHours":50.75,"inspectionHours":127,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"295744","EVENT_NO":"1004014","INSPECTION_BEGIN_DT":"04/14/2008","INSPECTION_END_DT":"04/15/2008","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.25","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2008-04-14"},{"SOURCE_ROW_NUMBER":"1131495","EVENT_NO":"1003242","INSPECTION_BEGIN_DT":"08/22/2007","INSPECTION_END_DT":"08/22/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2007-08-22"},{"SOURCE_ROW_NUMBER":"298657","EVENT_NO":"0994681","INSPECTION_BEGIN_DT":"12/14/2005","INSPECTION_END_DT":"12/14/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2005-12-14"},{"SOURCE_ROW_NUMBER":"937548","EVENT_NO":"0981952","INSPECTION_BEGIN_DT":"06/27/2005","INSPECTION_END_DT":"06/27/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.75","SUM_TOTAL_ON_SITE_HOURS":"1.25","sourceDate":"2005-06-27"},{"SOURCE_ROW_NUMBER":"318857","EVENT_NO":"0980858","INSPECTION_BEGIN_DT":"04/27/2004","INSPECTION_END_DT":"04/28/2004","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2004-04-27"},{"SOURCE_ROW_NUMBER":"1028104","EVENT_NO":"0980838","INSPECTION_BEGIN_DT":"02/24/2004","INSPECTION_END_DT":"02/24/2004","ACTIVITY_CODE":"37","ACTIVITY":"MISCELLANEOUS INSPECTION/INVESTIGATION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2004-02-24"},{"SOURCE_ROW_NUMBER":"81920","EVENT_NO":"0980823","INSPECTION_BEGIN_DT":"12/30/2003","INSPECTION_END_DT":"12/30/2003","ACTIVITY_CODE":"37","ACTIVITY":"MISCELLANEOUS INSPECTION/INVESTIGATION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2003-12-30"},{"SOURCE_ROW_NUMBER":"727232","EVENT_NO":"0974947","INSPECTION_BEGIN_DT":"03/04/2003","INSPECTION_END_DT":"03/04/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2003-03-04"},{"SOURCE_ROW_NUMBER":"798007","EVENT_NO":"0974655","INSPECTION_BEGIN_DT":"10/24/2002","INSPECTION_END_DT":"10/24/2002","ACTIVITY_CODE":"46","ACTIVITY":"SPECIAL ENFORCEMENT 4","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2002-10-24"},{"SOURCE_ROW_NUMBER":"251711","EVENT_NO":"0819524","INSPECTION_BEGIN_DT":"09/17/2002","INSPECTION_END_DT":"09/17/2002","ACTIVITY_CODE":"09","ACTIVITY":"VERBAL HAZARD COMPLAINT","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2002-09-17"},{"SOURCE_ROW_NUMBER":"42346","EVENT_NO":"0819385","INSPECTION_BEGIN_DT":"04/16/2002","INSPECTION_END_DT":"04/16/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2002-04-16"},{"SOURCE_ROW_NUMBER":"887359","EVENT_NO":"0802001","INSPECTION_BEGIN_DT":"08/22/2001","INSPECTION_END_DT":"08/22/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2001-08-22"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":66,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2008-Q1":{"hours":200,"employees":2,"production":0},"2007-Q4":{"hours":745,"employees":2,"production":0},"2007-Q3":{"hours":990,"employees":2,"production":0},"2007-Q2":{"hours":1061,"employees":2,"production":0},"2007-Q1":{"hours":298,"employees":2,"production":0},"2006-Q4":{"hours":700,"employees":2,"production":0},"2006-Q3":{"hours":1000,"employees":2,"production":0},"2006-Q2":{"hours":1033,"employees":2,"production":0},"2006-Q1":{"hours":417,"employees":2,"production":0},"2005-Q4":{"hours":921,"employees":2,"production":0},"2005-Q3":{"hours":1035,"employees":2,"production":0},"2005-Q2":{"hours":1002,"employees":2,"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":18,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":4464,"employees":2,"production":0},"2001":{"hours":4395,"employees":2,"production":0},"2002":{"hours":4125,"employees":2,"production":0},"2003":{"hours":4314,"employees":2,"production":0},"2004":{"hours":4379,"employees":2,"production":0},"2005":{"hours":4032,"employees":2,"production":0},"2006":{"hours":3150,"employees":2,"production":0},"2007":{"hours":3094,"employees":2,"production":0},"2008":{"hours":200,"employees":2,"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-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":3,"firstDate":"2002-04-16","lastDate":"2004-04-28","metrics":{"recentRows":0,"actionTaken":3,"maxExposureRatio":6.07,"overExposureLimit":1,"exposureRatioTotal":6.07},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"41782","EVENT_NO":"0980858","SAMPLE_NO":"000000200403900200","SAMPLE_DATE":"04/28/2004","CONTAMINANT_DESC":"Nuisance dust, total, <1% Qtz","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-04-28"},{"SOURCE_ROW_NUMBER":"19851","EVENT_NO":"0819524","SAMPLE_NO":"000000200207057300","SAMPLE_DATE":"09/17/2002","CONTAMINANT_DESC":"Nuisance dust, total, <1% Qtz","CONCENTRATION":"0060.65","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"06.07","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"LAB RESULTS INDICATE EXPOSURE LIMIT EXCEEDED","sourceDate":"2002-09-17"},{"SOURCE_ROW_NUMBER":"12609","EVENT_NO":"0819385","SAMPLE_NO":"000000200203185900","SAMPLE_DATE":"04/16/2002","CONTAMINANT_DESC":"Nuisance dust, total, <1% Qtz","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-04-16"}]}],"safety":{"href":"/api/v1/mines/1200058/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1200058/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":"1200058","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}