{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3608687","name":"SAM BARNHART","status":"Abandoned","status_date":"2007-06-21","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"PA","county":"Crawford","nearest_town":"Titusville","operator_id":"L15273","operator_name":"Sam Barnhart","controller_id":"M11648","controller_name":"Sam  Barnhart","district":"M2","office":"Warrendale PA Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":84},"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":"3608687","name":"SAM BARNHART"},"operator":{"type":"operator","id":"L15273","name":"Sam Barnhart"},"controller":{"type":"controller","id":"M11648","name":"Sam  Barnhart"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15273","name":"Sam Barnhart"},"object":{"type":"mine","id":"3608687","name":"SAM BARNHART"},"validFrom":"1997-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608687|L15273|1997-07-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11648","name":"Sam  Barnhart"},"object":{"type":"mine","id":"3608687","name":"SAM BARNHART"},"validFrom":"1997-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608687|M11648|1997-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11648","name":"Sam  Barnhart"},"object":{"type":"operator","id":"L15273","name":"Sam Barnhart"},"validFrom":"1997-07-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608687","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608687|L15273|1997-07-01|M11648|1997-07-01|151969"}}],"coverage":{"historyRecords":1,"edgeCount":3,"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":"2007-06-21","lastDate":"2007-06-21","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":4,"firstDate":"2000-10-04","lastDate":"2002-04-09","metrics":{"ss":0,"delinquent":4,"recentRows":0,"paidPenalty":220,"proposedPenalty":220,"currentAssessment":220},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"120624","VIOLATION_NO":"7742378","ISSUE_DT":"04/09/2002","CFR_STANDARD_CD":"56.9300(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-04-09"},{"SOURCE_ROW_NUMBER":"85259","VIOLATION_NO":"7727682","ISSUE_DT":"10/04/2000","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-10-04"},{"SOURCE_ROW_NUMBER":"85258","VIOLATION_NO":"7727681","ISSUE_DT":"10/04/2000","CFR_STANDARD_CD":"56.15001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-10-04"},{"SOURCE_ROW_NUMBER":"85257","VIOLATION_NO":"7727680","ISSUE_DT":"10/04/2000","CFR_STANDARD_CD":"56.14101(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":"2000-10-04"}]},{"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":"1997-07-01","lastDate":"1997-07-01","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":10,"firstDate":"2000-06-13","lastDate":"2007-06-21","metrics":{"inspectors":10,"recentRows":0,"onSiteHours":101.5,"inspectionHours":150,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"428125","EVENT_NO":"0894998","INSPECTION_BEGIN_DT":"06/21/2007","INSPECTION_END_DT":"06/21/2007","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2007-06-21"},{"SOURCE_ROW_NUMBER":"1086975","EVENT_NO":"0887597","INSPECTION_BEGIN_DT":"10/05/2005","INSPECTION_END_DT":"10/05/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2005-10-05"},{"SOURCE_ROW_NUMBER":"877213","EVENT_NO":"0880932","INSPECTION_BEGIN_DT":"10/12/2004","INSPECTION_END_DT":"10/13/2004","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18","SUM_TOTAL_ON_SITE_HOURS":"12","sourceDate":"2004-10-12"},{"SOURCE_ROW_NUMBER":"383263","EVENT_NO":"0875583","INSPECTION_BEGIN_DT":"11/05/2003","INSPECTION_END_DT":"11/06/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2003-11-05"},{"SOURCE_ROW_NUMBER":"532400","EVENT_NO":"0867361","INSPECTION_BEGIN_DT":"08/12/2003","INSPECTION_END_DT":"08/13/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22","SUM_TOTAL_ON_SITE_HOURS":"15","sourceDate":"2003-08-12"},{"SOURCE_ROW_NUMBER":"1048829","EVENT_NO":"0864274","INSPECTION_BEGIN_DT":"01/23/2003","INSPECTION_END_DT":"01/23/2003","ACTIVITY_CODE":"16","ACTIVITY":"PART 50 AUDIT","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2003-01-23"},{"SOURCE_ROW_NUMBER":"851212","EVENT_NO":"0777583","INSPECTION_BEGIN_DT":"04/08/2002","INSPECTION_END_DT":"04/10/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"30","SUM_TOTAL_ON_SITE_HOURS":"20","sourceDate":"2002-04-08"},{"SOURCE_ROW_NUMBER":"718187","EVENT_NO":"0717240","INSPECTION_BEGIN_DT":"10/11/2000","INSPECTION_END_DT":"10/11/2000","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2000-10-11"},{"SOURCE_ROW_NUMBER":"396782","EVENT_NO":"0717245","INSPECTION_BEGIN_DT":"10/04/2000","INSPECTION_END_DT":"10/05/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"29","SUM_TOTAL_ON_SITE_HOURS":"25","sourceDate":"2000-10-04"},{"SOURCE_ROW_NUMBER":"755606","EVENT_NO":"0725870","INSPECTION_BEGIN_DT":"06/13/2000","INSPECTION_END_DT":"06/14/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"15","sourceDate":"2000-06-13"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":47,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2007-Q2":{"hours":0,"employees":0,"production":0},"2007-Q1":{"hours":0,"employees":0,"production":0},"2006-Q4":{"hours":4,"employees":2,"production":0},"2006-Q3":{"hours":0,"employees":0,"production":0},"2006-Q2":{"hours":0,"employees":0,"production":0},"2006-Q1":{"hours":0,"employees":0,"production":0},"2005-Q4":{"hours":542,"employees":3,"production":0},"2005-Q3":{"hours":906,"employees":3,"production":0},"2005-Q2":{"hours":933,"employees":3,"production":0},"2005-Q1":{"hours":0,"employees":0,"production":0},"2004-Q4":{"hours":559,"employees":3,"production":0},"2004-Q3":{"hours":990,"employees":3,"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":11,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":2680,"employees":2,"production":0},"2001":{"hours":2352,"employees":2,"production":0},"2002":{"hours":2712,"employees":2,"production":0},"2003":{"hours":2594,"employees":3,"production":0},"2004":{"hours":2561,"employees":3,"production":0},"2005":{"hours":2381,"employees":3,"production":0},"2006":{"hours":4,"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":5,"firstDate":"2002-04-10","lastDate":"2004-10-13","metrics":{"recentRows":0,"actionTaken":5,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"27049","EVENT_NO":"0880932","SAMPLE_NO":"000000200409157900","SAMPLE_DATE":"10/13/2004","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-10-13"},{"SOURCE_ROW_NUMBER":"32226","EVENT_NO":"0867361","SAMPLE_NO":"000000200306589200","SAMPLE_DATE":"08/13/2003","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2003-08-13"},{"SOURCE_ROW_NUMBER":"32225","EVENT_NO":"0867361","SAMPLE_NO":"000000200306589100","SAMPLE_DATE":"08/13/2003","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2003-08-13"},{"SOURCE_ROW_NUMBER":"2242","EVENT_NO":"0777583","SAMPLE_NO":"000000200202344000","SAMPLE_DATE":"04/10/2002","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-04-10"},{"SOURCE_ROW_NUMBER":"2241","EVENT_NO":"0777583","SAMPLE_NO":"000000200202343900","SAMPLE_DATE":"04/10/2002","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-04-10"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":4,"firstDate":"2000-10-04","lastDate":"2002-04-09","metrics":{"ss":0,"amountDue":220,"contested":0,"amountPaid":220,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":220},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1950347","VIOLATION_NO":"7742378","VIOLATION_ISSUE_DT":"04/09/2002","SIG_SUB":"N","PART_SECTION":"56.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/09/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-04-09"},{"SOURCE_ROW_NUMBER":"1950350","VIOLATION_NO":"7727682","VIOLATION_ISSUE_DT":"10/04/2000","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/11/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-10-04"},{"SOURCE_ROW_NUMBER":"1950349","VIOLATION_NO":"7727681","VIOLATION_ISSUE_DT":"10/04/2000","SIG_SUB":"N","PART_SECTION":"56.15001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/11/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-10-04"},{"SOURCE_ROW_NUMBER":"1950348","VIOLATION_NO":"7727680","VIOLATION_ISSUE_DT":"10/04/2000","SIG_SUB":"N","PART_SECTION":"56.14101(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/11/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-10-04"}]}],"safety":{"href":"/api/v1/mines/3608687/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3608687/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":"Berms or guardrails.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300","part":"56","subchapter":"K","subpart":"H","id":"56.9300","citation":"30 CFR 56.9300","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":"Horns and backup alarms.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132","part":"56","subchapter":"K","subpart":"M","id":"56.14132","citation":"30 CFR 56.14132","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":"First-aid materials.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001","part":"56","subchapter":"K","subpart":"N","id":"56.15001","citation":"30 CFR 56.15001","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3608687","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}