{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-18T09:31:49.615Z","identity":{"mine_id":"4407321","name":"Southern Gap","status":"Abandoned","status_date":"2015-04-02","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"VA","county":"Buchanan","nearest_town":"Grundy","operator_id":"0050885","operator_name":"Paramont Coal Company VA, LLC","controller_id":"0041211","controller_name":"Alpha Natural Resources, Inc.","district":"C05","office":"Vansant VA Field Office","employees":0,"latitude":37.230556,"longitude":-82.151667},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":53},"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":"4407321","name":"Southern Gap"},"operator":{"type":"operator","id":"0050885","name":"Paramont Coal Company VA, LLC"},"controller":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"4407321","name":"Southern Gap"},"validFrom":"2002-12-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4407321|0041211|2002-12-13|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050885","name":"Paramont Coal Company VA, LLC"},"object":{"type":"mine","id":"4407321","name":"Southern Gap"},"validFrom":"2014-05-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4407321|0050885|2014-05-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"0050885","name":"Paramont Coal Company VA, LLC"},"validFrom":"2014-05-13","validTo":null,"current":true,"derived":true,"evidenceMineId":"4407321","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4407321|0050885|2014-05-13|0041211|2002-12-13|1628"}}],"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":"2015-04-02","lastDate":"2015-04-02","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":"2014-08-26","lastDate":"2015-01-05","metrics":{"ss":0,"delinquent":2,"recentRows":0,"paidPenalty":200,"proposedPenalty":200,"currentAssessment":200},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1340449","VIOLATION_NO":"8214500","ISSUE_DT":"01/05/2015","CFR_STANDARD_CD":"77.904","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2015-01-05"},{"SOURCE_ROW_NUMBER":"1385680","VIOLATION_NO":"8208210","ISSUE_DT":"08/26/2014","CFR_STANDARD_CD":"77.506","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2014-08-26"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":22,"firstDate":"2014-08-28","lastDate":"2015-02-05","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":0,"validSamples":22,"maxConcentration":0.135,"concentrationTotal":1.007},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"25639","CASS_NUM":"51357911","SMP_TAKEN_DT":"2/5/2015","CONC":".003","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2015-02-05"},{"SOURCE_ROW_NUMBER":"1350928","CASS_NUM":"58175444","SMP_TAKEN_DT":"1/6/2015","CONC":".024","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2015-01-06"},{"SOURCE_ROW_NUMBER":"1324140","CASS_NUM":"58175443","SMP_TAKEN_DT":"1/6/2015","CONC":".135","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2015-01-06"},{"SOURCE_ROW_NUMBER":"933715","CASS_NUM":"58175715","SMP_TAKEN_DT":"1/6/2015","CONC":".083","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2015-01-06"},{"SOURCE_ROW_NUMBER":"777070","CASS_NUM":"58175445","SMP_TAKEN_DT":"1/6/2015","CONC":".117","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHWALL DRILL OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2015-01-06"},{"SOURCE_ROW_NUMBER":"77484","CASS_NUM":"58175453","SMP_TAKEN_DT":"1/6/2015","CONC":".022","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2015-01-06"},{"SOURCE_ROW_NUMBER":"1529175","CASS_NUM":"51334712","SMP_TAKEN_DT":"11/3/2014","CONC":".042","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2014-11-03"},{"SOURCE_ROW_NUMBER":"435361","CASS_NUM":"51334407","SMP_TAKEN_DT":"11/3/2014","CONC":".092","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHWALL DRILL OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2014-11-03"},{"SOURCE_ROW_NUMBER":"1623669","CASS_NUM":"58163139","SMP_TAKEN_DT":"9/30/2014","CONC":".038","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2014-09-30"},{"SOURCE_ROW_NUMBER":"1428230","CASS_NUM":"58163051","SMP_TAKEN_DT":"9/30/2014","CONC":".065","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2014-09-30"},{"SOURCE_ROW_NUMBER":"1167783","CASS_NUM":"58163046","SMP_TAKEN_DT":"9/30/2014","CONC":".028","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2014-09-30"},{"SOURCE_ROW_NUMBER":"702389","CASS_NUM":"58163047","SMP_TAKEN_DT":"9/30/2014","CONC":".031","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2014-09-30"}]},{"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":"2014-05-13","lastDate":"2014-05-13","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":5,"firstDate":"2014-05-27","lastDate":"2015-04-01","metrics":{"inspectors":6,"recentRows":0,"onSiteHours":68.25,"inspectionHours":102.75,"inspectionSamples":31},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"975531","EVENT_NO":"4404312","INSPECTION_BEGIN_DT":"04/01/2015","INSPECTION_END_DT":"04/03/2015","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2015-04-01"},{"SOURCE_ROW_NUMBER":"609331","EVENT_NO":"4404301","INSPECTION_BEGIN_DT":"12/09/2014","INSPECTION_END_DT":"01/08/2015","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"34","SUM_TOTAL_ON_SITE_HOURS":"24.5","sourceDate":"2014-12-09"},{"SOURCE_ROW_NUMBER":"136700","EVENT_NO":"4413999","INSPECTION_BEGIN_DT":"09/30/2014","INSPECTION_END_DT":"09/30/2014","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12.5","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2014-09-30"},{"SOURCE_ROW_NUMBER":"1012734","EVENT_NO":"4413996","INSPECTION_BEGIN_DT":"08/25/2014","INSPECTION_END_DT":"09/08/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"46","SUM_TOTAL_ON_SITE_HOURS":"31.5","sourceDate":"2014-08-25"},{"SOURCE_ROW_NUMBER":"324648","EVENT_NO":"4416378","INSPECTION_BEGIN_DT":"05/27/2014","INSPECTION_END_DT":"09/08/2014","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.25","SUM_TOTAL_ON_SITE_HOURS":"1.75","sourceDate":"2014-05-27"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":5,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2015-Q2":{"hours":0,"employees":0,"production":0},"2015-Q1":{"hours":7892,"employees":12,"production":8063},"2014-Q4":{"hours":8454,"employees":14,"production":37448},"2014-Q3":{"hours":8589,"employees":14,"production":43214},"2014-Q2":{"hours":1085,"employees":4,"production":7461}},"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":{"2014":{"hours":18128,"employees":11,"production":88123},"2015":{"hours":7892,"employees":12,"production":8063}},"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-noise-samples","name":"Noise Samples","domains":["health","safety","equipment"],"products":["hearing exposure","machine and manufacturer patterns","occupation coverage"],"rowCount":12,"firstDate":"2014-08-28","lastDate":"2015-01-06","metrics":{"recentRows":0,"doseOver100":0,"actDoseTotal":356,"pelDoseTotal":147},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"213961","EVENT_NO":"4404301","SURVEY_DATE":"01/06/2015","OCCUPATION_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","MACHINE_CD":"39","MANUFACTURER_CD":"018","ACT_DOSE_85":"17","PEL_DOSE_90":"3","SURVEY_TYPE":"I","sourceDate":"2015-01-06"},{"SOURCE_ROW_NUMBER":"213960","EVENT_NO":"4404301","SURVEY_DATE":"01/06/2015","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"018","ACT_DOSE_85":"5","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2015-01-06"},{"SOURCE_ROW_NUMBER":"213959","EVENT_NO":"4404301","SURVEY_DATE":"01/06/2015","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"018","ACT_DOSE_85":"19","PEL_DOSE_90":"5","SURVEY_TYPE":"I","sourceDate":"2015-01-06"},{"SOURCE_ROW_NUMBER":"213958","EVENT_NO":"4404301","SURVEY_DATE":"01/06/2015","OCCUPATION_CD_DESC":"HIGHWALL DRILL OPERATOR","MACHINE_CD":"21","MANUFACTURER_CD":"010","ACT_DOSE_85":"13","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2015-01-06"},{"SOURCE_ROW_NUMBER":"213957","EVENT_NO":"4404301","SURVEY_DATE":"01/06/2015","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"018","ACT_DOSE_85":"17","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2015-01-06"},{"SOURCE_ROW_NUMBER":"213968","EVENT_NO":"4413996","SURVEY_DATE":"08/28/2014","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"018","ACT_DOSE_85":"28","PEL_DOSE_90":"9","SURVEY_TYPE":"I","sourceDate":"2014-08-28"},{"SOURCE_ROW_NUMBER":"213967","EVENT_NO":"4413996","SURVEY_DATE":"08/28/2014","OCCUPATION_CD_DESC":"FIRE BOSS PRE-SHIFT EXAMINER","MACHINE_CD":"40","MANUFACTURER_CD":"020","ACT_DOSE_85":"10","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2014-08-28"},{"SOURCE_ROW_NUMBER":"213966","EVENT_NO":"4413996","SURVEY_DATE":"08/28/2014","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"018","ACT_DOSE_85":"22","PEL_DOSE_90":"3","SURVEY_TYPE":"I","sourceDate":"2014-08-28"},{"SOURCE_ROW_NUMBER":"213965","EVENT_NO":"4413996","SURVEY_DATE":"08/28/2014","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"018","ACT_DOSE_85":"29","PEL_DOSE_90":"3","SURVEY_TYPE":"I","sourceDate":"2014-08-28"},{"SOURCE_ROW_NUMBER":"213964","EVENT_NO":"4413996","SURVEY_DATE":"08/28/2014","OCCUPATION_CD_DESC":"HIGHWALL DRILL OPERATOR","MACHINE_CD":"21","MANUFACTURER_CD":"018","ACT_DOSE_85":"17","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2014-08-28"},{"SOURCE_ROW_NUMBER":"213963","EVENT_NO":"4413996","SURVEY_DATE":"08/28/2014","OCCUPATION_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","MACHINE_CD":"39","MANUFACTURER_CD":"018","ACT_DOSE_85":"91","PEL_DOSE_90":"61","SURVEY_TYPE":"I","sourceDate":"2014-08-28"},{"SOURCE_ROW_NUMBER":"213962","EVENT_NO":"4413996","SURVEY_DATE":"08/28/2014","OCCUPATION_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","MACHINE_CD":"39","MANUFACTURER_CD":"018","ACT_DOSE_85":"88","PEL_DOSE_90":"56","SURVEY_TYPE":"I","sourceDate":"2014-08-28"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":2,"firstDate":"2014-08-26","lastDate":"2015-01-05","metrics":{"ss":0,"amountDue":200,"contested":0,"amountPaid":200,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":200},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2444922","VIOLATION_NO":"8214500","VIOLATION_ISSUE_DT":"01/05/2015","SIG_SUB":"N","PART_SECTION":"77.904","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/05/2015","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2015-01-05"},{"SOURCE_ROW_NUMBER":"2444921","VIOLATION_NO":"8208210","VIOLATION_ISSUE_DT":"08/26/2014","SIG_SUB":"N","PART_SECTION":"77.506","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/26/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2014-08-26"}]}],"safety":{"href":"/api/v1/mines/4407321/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4407321/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":"Identification of circuit breakers.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-J/section-77.904","part":"77","subchapter":"O","subpart":"J","id":"77.904","citation":"30 CFR 77.904","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Electric equipment and circuits; overload and short-circuit protection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.506","part":"77","subchapter":"O","subpart":"F","id":"77.506","citation":"30 CFR 77.506","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4407321","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666}}