{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4603181","name":"Collins Fork Slurry Impoundment","status":"Abandoned","status_date":"2017-04-24","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"WV","county":"Raleigh","nearest_town":"Clear Creek","operator_id":"0103985","operator_name":"Republic Energy LLC","controller_id":"0127321","controller_name":"Alpha Metallurgical Resources Inc","district":"C04","office":"Beckley Field Office","employees":0,"latitude":37.875,"longitude":-81.374167},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":250},"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":"4603181","name":"Collins Fork Slurry Impoundment"},"operator":{"type":"operator","id":"0103985","name":"Republic Energy LLC"},"controller":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00812","name":"Consolidation Coal Company"},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"1950-01-01","validTo":"1998-11-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|P00812|1950-01-01|1998-11-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"1950-01-01","validTo":"2013-12-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|C00692|1950-01-01|2013-12-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"operator","id":"P00812","name":"Consolidation Coal Company"},"validFrom":"1950-01-01","validTo":"1998-11-29","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|P00812|1950-01-01|C00692|1950-01-01|49173"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24274","name":"Clear Fork Coal Company"},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"1998-11-30","validTo":"2014-09-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|P24274|1998-11-30|2014-09-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"1998-11-30","validTo":"2011-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|C02508|1998-11-30|2011-05-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P24274","name":"Clear Fork Coal Company"},"validFrom":"1998-11-30","validTo":"2011-05-31","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|P24274|1998-11-30|C02508|1998-11-30|59518"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"2009-08-25","validTo":"2011-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|C02508|2009-08-25|2011-05-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"2011-06-01","validTo":"2016-07-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0041211|2011-06-01|2016-07-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"P24274","name":"Clear Fork Coal Company"},"validFrom":"2011-06-01","validTo":"2014-09-25","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|P24274|1998-11-30|0041211|2011-06-01|1956"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13408","name":"Robert E  Murray"},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"2013-12-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|C13408|2013-12-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13408","name":"Robert E  Murray"},"object":{"type":"operator","id":"P00812","name":"Consolidation Coal Company"},"validFrom":"2013-12-05","validTo":"1998-11-29","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|P00812|1950-01-01|C13408|2013-12-05|89746"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"2014-01-27","validTo":"2016-07-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0041211|2014-01-27|2016-07-25"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0103985","name":"Republic Energy, INC."},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"2014-09-26","validTo":"2016-04-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0103985|2014-09-26|2016-04-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"0103985","name":"Republic Energy, INC."},"validFrom":"2014-09-26","validTo":"2016-04-17","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0103985|2014-09-26|0041211|2014-01-27|2349"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"0103985","name":"Republic Energy, INC."},"validFrom":"2014-09-26","validTo":"2011-05-31","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0103985|2014-09-26|C02508|2009-08-25|59543"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24274","name":"Clear Fork Coal Company"},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"2016-04-18","validTo":"2016-12-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|P24274|2016-04-18|2016-12-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"P24274","name":"Clear Fork Coal Company"},"validFrom":"2016-04-18","validTo":"2016-07-25","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|P24274|2016-04-18|0041211|2011-06-01|1957"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P24274","name":"Clear Fork Coal Company"},"validFrom":"2016-04-18","validTo":"2011-05-31","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|P24274|2016-04-18|C02508|1998-11-30|59519"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"2016-07-26","validTo":"2018-11-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0127923|2016-07-26|2018-11-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"0103985","name":"Republic Energy, INC."},"validFrom":"2016-07-26","validTo":"2016-04-17","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0103985|2014-09-26|0127923|2016-07-26|25126"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"2016-07-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0127923|2016-07-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"P24274","name":"Clear Fork Coal Company"},"validFrom":"2016-07-26","validTo":"2014-09-25","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|P24274|1998-11-30|0127923|2016-07-26|25501"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"P24274","name":"Clear Fork Coal Company"},"validFrom":"2016-07-26","validTo":"2016-12-19","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|P24274|2016-04-18|0127923|2016-07-26|25502"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0103985","name":"Republic Energy LLC"},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"2016-12-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0103985|2016-12-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"0103985","name":"Republic Energy LLC"},"validFrom":"2016-12-20","validTo":"2016-07-25","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0103985|2016-12-20|0041211|2014-01-27|2350"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"0103985","name":"Republic Energy LLC"},"validFrom":"2016-12-20","validTo":"2018-11-08","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0103985|2016-12-20|0127923|2016-07-26|25127"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"0103985","name":"Republic Energy LLC"},"validFrom":"2016-12-20","validTo":"2011-05-31","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0103985|2016-12-20|C02508|2009-08-25|59544"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"mine","id":"4603181","name":"Collins Fork Slurry Impoundment"},"validFrom":"2018-11-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0127321|2018-11-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"operator","id":"0103985","name":"Republic Energy, INC."},"validFrom":"2018-11-09","validTo":"2016-04-17","current":false,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0103985|2014-09-26|0127321|2018-11-09|24761"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"operator","id":"0103985","name":"Republic Energy LLC"},"validFrom":"2018-11-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"4603181","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4603181|0103985|2016-12-20|0127321|2018-11-09|24762"}}],"coverage":{"historyRecords":16,"edgeCount":30,"intervalAnomalies":8,"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":1,"firstDate":"2011-09-01","lastDate":"2011-09-01","metrics":{"daysLost":0,"injuries":1,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"141212","DOCUMENT_NO":"220112510015","ACCIDENT_DT":"09/01/2011","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Transit man, Surveyor/Transit worker","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"While putting up boundary stakes on new property employee had a range pole in one hand and a machete in the other. As employee maneuvered on hillside using range pole and machete for balance he slipped, while catching his balance his left hand was cut by the machete requiring three (3) sutures in the left ring finger and seven (7) sutures in left middle finger.","sourceDate":"2011-09-01"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2017-04-24","lastDate":"2017-04-24","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":21,"firstDate":"2000-10-24","lastDate":"2015-12-14","metrics":{"ss":4,"delinquent":20,"recentRows":0,"paidPenalty":4196,"proposedPenalty":4196,"currentAssessment":4196},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1887648","VIOLATION_NO":"8089392","ISSUE_DT":"12/14/2015","CFR_STANDARD_CD":"77.216(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2015-12-14"},{"SOURCE_ROW_NUMBER":"1864094","VIOLATION_NO":"8089377","ISSUE_DT":"06/24/2014","CFR_STANDARD_CD":"77.216-3(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2014-06-24"},{"SOURCE_ROW_NUMBER":"1864089","VIOLATION_NO":"8089371","ISSUE_DT":"03/27/2014","CFR_STANDARD_CD":"77.1605(k)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"176.00","CURRENT_ASSESSMENT_AMT":"176.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2014-03-27"},{"SOURCE_ROW_NUMBER":"1489852","VIOLATION_NO":"8402094","ISSUE_DT":"03/16/2013","CFR_STANDARD_CD":"77.216(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-03-16"},{"SOURCE_ROW_NUMBER":"1813137","VIOLATION_NO":"8082383","ISSUE_DT":"03/21/2011","CFR_STANDARD_CD":"41.12","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-03-21"},{"SOURCE_ROW_NUMBER":"1771416","VIOLATION_NO":"8082369","ISSUE_DT":"10/19/2010","CFR_STANDARD_CD":"41.12","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-10-19"},{"SOURCE_ROW_NUMBER":"840937","VIOLATION_NO":"7208251","ISSUE_DT":"06/27/2007","CFR_STANDARD_CD":"77.216-2(a)(18)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-06-27"},{"SOURCE_ROW_NUMBER":"840934","VIOLATION_NO":"7208248","ISSUE_DT":"04/12/2007","CFR_STANDARD_CD":"77.216(d)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"2000.00","CURRENT_ASSESSMENT_AMT":"2000.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-04-12"},{"SOURCE_ROW_NUMBER":"840933","VIOLATION_NO":"7208247","ISSUE_DT":"04/12/2007","CFR_STANDARD_CD":"77.216-3(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-04-12"},{"SOURCE_ROW_NUMBER":"822984","VIOLATION_NO":"7208228","ISSUE_DT":"06/23/2006","CFR_STANDARD_CD":"77.216(d)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"107.00","CURRENT_ASSESSMENT_AMT":"107.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-06-23"},{"SOURCE_ROW_NUMBER":"822983","VIOLATION_NO":"7208227","ISSUE_DT":"06/23/2006","CFR_STANDARD_CD":"77.216(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"409.00","CURRENT_ASSESSMENT_AMT":"409.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-06-23"},{"SOURCE_ROW_NUMBER":"822981","VIOLATION_NO":"7208219","ISSUE_DT":"03/30/2006","CFR_STANDARD_CD":"77.216-4(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"178.00","CURRENT_ASSESSMENT_AMT":"178.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-03-30"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":5,"firstDate":"2015-05-21","lastDate":"2016-12-21","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":0,"validSamples":5,"maxConcentration":0.12,"concentrationTotal":0.334},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1554849","CASS_NUM":"51439970","SMP_TAKEN_DT":"12/21/2016","CONC":".049","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":"2016-12-21"},{"SOURCE_ROW_NUMBER":"1648377","CASS_NUM":"51405499","SMP_TAKEN_DT":"10/5/2015","CONC":".04","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":"2015-10-05"},{"SOURCE_ROW_NUMBER":"632925","CASS_NUM":"58220540","SMP_TAKEN_DT":"9/16/2015","CONC":".069","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":"2015-09-16"},{"SOURCE_ROW_NUMBER":"927596","CASS_NUM":"51372256","SMP_TAKEN_DT":"9/8/2015","CONC":".12","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":"2015-09-08"},{"SOURCE_ROW_NUMBER":"218238","CASS_NUM":"51372280","SMP_TAKEN_DT":"5/21/2015","CONC":".056","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":"2015-05-21"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":17,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-yearly","name":"Contractor Employment and Production — Yearly","domains":["contractors","production","safety"],"products":["long-run contractor trend","annual denominator reconciliation"],"rowCount":6,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"notMineAttributable":1},"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":16,"firstDate":"1950-01-01","lastDate":"2016-12-20","metrics":{"recentRows":0,"currentOperatorTenures":4,"completedOperatorTenures":12},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":92,"firstDate":"2000-02-08","lastDate":"2017-03-09","metrics":{"inspectors":107,"recentRows":0,"onSiteHours":426.25,"inspectionHours":999.5,"inspectionSamples":1},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"7072","EVENT_NO":"6311898","INSPECTION_BEGIN_DT":"03/09/2017","INSPECTION_END_DT":"03/10/2017","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.5","SUM_TOTAL_ON_SITE_HOURS":"6.5","sourceDate":"2017-03-09"},{"SOURCE_ROW_NUMBER":"711510","EVENT_NO":"6311884","INSPECTION_BEGIN_DT":"12/19/2016","INSPECTION_END_DT":"12/19/2016","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2016-12-19"},{"SOURCE_ROW_NUMBER":"847889","EVENT_NO":"6311865","INSPECTION_BEGIN_DT":"08/23/2016","INSPECTION_END_DT":"08/24/2016","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"6.75","sourceDate":"2016-08-23"},{"SOURCE_ROW_NUMBER":"684414","EVENT_NO":"6311854","INSPECTION_BEGIN_DT":"06/16/2016","INSPECTION_END_DT":"06/16/2016","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2016-06-16"},{"SOURCE_ROW_NUMBER":"988694","EVENT_NO":"6310547","INSPECTION_BEGIN_DT":"05/12/2016","INSPECTION_END_DT":"05/12/2016","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.25","SUM_TOTAL_ON_SITE_HOURS":"3.75","sourceDate":"2016-05-12"},{"SOURCE_ROW_NUMBER":"158611","EVENT_NO":"6310541","INSPECTION_BEGIN_DT":"03/08/2016","INSPECTION_END_DT":"03/10/2016","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13.75","SUM_TOTAL_ON_SITE_HOURS":"7.75","sourceDate":"2016-03-08"},{"SOURCE_ROW_NUMBER":"856126","EVENT_NO":"6310534","INSPECTION_BEGIN_DT":"01/28/2016","INSPECTION_END_DT":"01/28/2016","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2016-01-28"},{"SOURCE_ROW_NUMBER":"884121","EVENT_NO":"6310527","INSPECTION_BEGIN_DT":"12/14/2015","INSPECTION_END_DT":"12/22/2015","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"18.75","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2015-12-14"},{"SOURCE_ROW_NUMBER":"521938","EVENT_NO":"6310516","INSPECTION_BEGIN_DT":"10/20/2015","INSPECTION_END_DT":"10/26/2015","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.5","SUM_TOTAL_ON_SITE_HOURS":"4.25","sourceDate":"2015-10-20"},{"SOURCE_ROW_NUMBER":"1111682","EVENT_NO":"6310512","INSPECTION_BEGIN_DT":"09/15/2015","INSPECTION_END_DT":"09/17/2015","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.5","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2015-09-15"},{"SOURCE_ROW_NUMBER":"67059","EVENT_NO":"6309650","INSPECTION_BEGIN_DT":"06/30/2015","INSPECTION_END_DT":"06/30/2015","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2015-06-30"},{"SOURCE_ROW_NUMBER":"672993","EVENT_NO":"6309641","INSPECTION_BEGIN_DT":"04/27/2015","INSPECTION_END_DT":"04/27/2015","ACTIVITY_CODE":"E23","ACTIVITY":"Impoundment Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.75","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2015-04-27"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":65,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017-Q2":{"hours":0,"employees":0,"production":0},"2017-Q1":{"hours":0,"employees":0,"production":0},"2016-Q4":{"hours":0,"employees":0,"production":0},"2016-Q3":{"hours":0,"employees":0,"production":0},"2016-Q2":{"hours":0,"employees":0,"production":0},"2016-Q1":{"hours":0,"employees":0,"production":0},"2015-Q4":{"hours":0,"employees":0,"production":0},"2015-Q3":{"hours":0,"employees":0,"production":0},"2015-Q2":{"hours":0,"employees":0,"production":0},"2015-Q1":{"hours":0,"employees":0,"production":0},"2014-Q4":{"hours":0,"employees":0,"production":0},"2014-Q3":{"hours":0,"employees":0,"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":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2011":{"hours":10,"employees":1,"production":0},"2013":{"hours":3970,"employees":3,"production":0},"2014":{"hours":1107,"employees":4,"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":22,"firstDate":"2000-10-24","lastDate":"2015-12-14","metrics":{"ss":4,"amountDue":4196,"contested":0,"amountPaid":4196,"recentRows":0,"section104d":1,"unterminated":2,"proposedPenalty":4196},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2596807","VIOLATION_NO":"8089392","VIOLATION_ISSUE_DT":"12/14/2015","SIG_SUB":"N","PART_SECTION":"77.216(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/22/2015","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2015-12-14"},{"SOURCE_ROW_NUMBER":"2596801","VIOLATION_NO":"8089377","VIOLATION_ISSUE_DT":"06/24/2014","SIG_SUB":"N","PART_SECTION":"77.216-3(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"10","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/24/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2014-06-24"},{"SOURCE_ROW_NUMBER":"2596794","VIOLATION_NO":"8089371","VIOLATION_ISSUE_DT":"03/27/2014","SIG_SUB":"Y","PART_SECTION":"77.1605(k)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/31/2014","PROPOSED_PENALTY":"176","AMOUNT_DUE":"176","AMOUNT_PAID":"176","CONTESTED_IND":"N","sourceDate":"2014-03-27"},{"SOURCE_ROW_NUMBER":"2596790","VIOLATION_NO":"8402094","VIOLATION_ISSUE_DT":"03/16/2013","SIG_SUB":"N","PART_SECTION":"77.216(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/01/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2013-03-16"},{"SOURCE_ROW_NUMBER":"2596793","VIOLATION_NO":"8082383","VIOLATION_ISSUE_DT":"03/21/2011","SIG_SUB":"N","PART_SECTION":"41.12","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/04/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-03-21"},{"SOURCE_ROW_NUMBER":"2596804","VIOLATION_NO":"8082369","VIOLATION_ISSUE_DT":"10/19/2010","SIG_SUB":"N","PART_SECTION":"41.12","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/27/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-10-19"},{"SOURCE_ROW_NUMBER":"2596799","VIOLATION_NO":"7208251","VIOLATION_ISSUE_DT":"06/27/2007","SIG_SUB":"N","PART_SECTION":"77.216-2(a)(18)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/27/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-06-27"},{"SOURCE_ROW_NUMBER":"2596796","VIOLATION_NO":"7208248","VIOLATION_ISSUE_DT":"04/12/2007","SIG_SUB":"Y","PART_SECTION":"77.216(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"999","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"06/11/2007","PROPOSED_PENALTY":"2000","AMOUNT_DUE":"2000","AMOUNT_PAID":"2000","CONTESTED_IND":"N","sourceDate":"2007-04-12"},{"SOURCE_ROW_NUMBER":"2596795","VIOLATION_NO":"7208247","VIOLATION_ISSUE_DT":"04/12/2007","SIG_SUB":"N","PART_SECTION":"77.216-3(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/13/2007","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2007-04-12"},{"SOURCE_ROW_NUMBER":"2596803","VIOLATION_NO":"7208232","VIOLATION_ISSUE_DT":"08/08/2006","PART_SECTION":"77.216(d)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"10/11/2006","CONTESTED_IND":"N","sourceDate":"2006-08-08"},{"SOURCE_ROW_NUMBER":"2596798","VIOLATION_NO":"7208228","VIOLATION_ISSUE_DT":"06/23/2006","SIG_SUB":"Y","PART_SECTION":"77.216(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/15/2006","PROPOSED_PENALTY":"107","AMOUNT_DUE":"107","AMOUNT_PAID":"107","CONTESTED_IND":"N","sourceDate":"2006-06-23"},{"SOURCE_ROW_NUMBER":"2596797","VIOLATION_NO":"7208227","VIOLATION_ISSUE_DT":"06/23/2006","SIG_SUB":"N","PART_SECTION":"77.216(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","PROPOSED_PENALTY":"409","AMOUNT_DUE":"409","AMOUNT_PAID":"409","CONTESTED_IND":"N","sourceDate":"2006-06-23"}]}],"safety":{"href":"/api/v1/mines/4603181/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4603181/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":"Water, sediment, or slurry impoundments and impounding structures; general.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216","part":"77","subchapter":"O","subpart":"C","id":"77.216","citation":"30 CFR 77.216","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":6},{"chapter":"I","heading":"Water, sediment, or slurry impoundments and impounding structures; inspection requirements; correction of hazards; program requirements.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216-3","part":"77","subchapter":"O","subpart":"C","id":"77.216-3","citation":"30 CFR 77.216-3","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":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1605","heading":"Loading and haulage equipment; installations.","id":"77.1605","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"Q","subpartHeading":"Subpart Q—Loading and Haulage","text":"(a) Cab windows shall be of safety glass or equivalent, in good condition and shall be kept clean.\n\n(b) Mobile equipment shall be equipped with adequate brakes, and all trucks and front-end loaders shall also be equipped with parking brakes.\n\n(c) Positive-action type brakes shall be provided on aerial tramways.\n\n(d) Mobile equipment shall be provided with audible warning devices. Lights shall be provided on both ends when required.\n\n(e) Guard nets or other suitable protection shall be provided where tramways pass over roadways, walkways, or buildings.\n\n(f) Guards shall be installed to prevent swaying buckets from hitting towers.\n\n(g) Aerial tramway cable connections shall be designed to offer minimum obstruction to the passage of wheels.\n\n(h) Rocker-bottom or bottom-dump cars shall be equipped with positive locking devices, or other suitable devices.\n\n(i) Ramps and dumps shall be of solid construction, of ample width, have ample clearance and headroom, and be kept reasonably free of spillage.\n\n(j) Chute-loading installations shall be designed so that the men pulling chutes are not required to be in a hazardous position during loading operations.\n\n(k) Berms or guards shall be provided on the outer bank of elevated roadways.\n\n(l) Berms, bumper blocks, safety hooks, or similar means shall be provided to prevent overtravel and overturning at dumping locations.\n\n(m) Roadbeds, rails, joints, switches, frogs, and other elements on railroads shall be designed, installed, and maintained in a safe manner consistent with the speed and type of haulage.\n\n(n) Where practicable, a minimum of 30 inches continuous clearance from the farthest projection of moving railroad equipment shall be provided on at least one side of the tracks; all places where it is not possible to provide 30-inch clearance shall be marked conspicuously.\n\n(o) Track guardrails, lead rails, and frogs shall be protected or blocked so as to prevent a person's foot from becoming wedged.\n\n(p) Positive-acting stop-blocks, derail devices, track skates, or other adequate means shall be installed wherever necessary to protect persons from runaway or moving railroad equipment.\n\n(q) Switch throws shall be installed so as to provide adequate clearance for switchmen.\n\n(r) Where necessary, bumper blocks or the equivalent shall be provided at all track dead ends.","occurrenceCount":1},{"chapter":"I","heading":"Changes; notification by operator.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12","part":"41","subchapter":"G","subpart":"B","id":"41.12","citation":"30 CFR 41.12","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER G—FILING AND OTHER ADMINISTRATIVE REQUIREMENTS","partHeading":"PART 41—NOTIFICATION OF LEGAL IDENTITY","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Water, sediment, or slurry impoundments and impounding structures; minimum plan requirements; changes or modifications; certification.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216-2","part":"77","subchapter":"O","subpart":"C","id":"77.216-2","citation":"30 CFR 77.216-2","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":"4603181","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}