{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4609243","name":"Jims Branch No 3B","status":"Abandoned","status_date":"2011-07-25","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"WV","county":"Wyoming","nearest_town":"New Richmond","operator_id":"P22311","operator_name":"Baylor Mining Inc","controller_id":"C14826","controller_name":"Robert L  Worley","district":"C04","office":"Beckley District","employees":0,"latitude":37.585,"longitude":-81.478333},"coverage":{"contributingSources":16,"registeredSources":20,"sourceRows":1190},"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":"4609243","name":"Jims Branch No 3B"},"operator":{"type":"operator","id":"P22311","name":"Baylor Mining Inc"},"controller":{"type":"controller","id":"C14826","name":"Robert L  Worley"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14826","name":"Robert L  Worley"},"object":{"type":"mine","id":"4609243","name":"Jims Branch No 3B"},"validFrom":"1993-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609243|C14826|1993-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22311","name":"Baylor Mining Inc"},"object":{"type":"mine","id":"4609243","name":"Jims Branch No 3B"},"validFrom":"2007-10-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609243|P22311|2007-10-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14826","name":"Robert L  Worley"},"object":{"type":"operator","id":"P22311","name":"Baylor Mining Inc"},"validFrom":"2007-10-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"4609243","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609243|P22311|2007-10-16|C14826|1993-01-01|93982"}}],"coverage":{"historyRecords":1,"edgeCount":3,"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":21,"firstDate":"2008-11-04","lastDate":"2011-03-14","metrics":{"daysLost":634,"injuries":17,"fatalities":1,"recentRows":0,"restrictedDays":0,"contractorRecords":1},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"201802","DOCUMENT_NO":"220110870047","ACCIDENT_DT":"03/14/2011","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... 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patterns"],"rowCount":239,"firstDate":"2008-04-08","lastDate":"2011-06-13","metrics":{"ss":52,"amountDue":85471,"contested":7,"amountPaid":85471,"recentRows":0,"section104d":0,"unterminated":1,"proposedPenalty":118876},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2932852","VIOLATION_NO":"8123595","VIOLATION_ISSUE_DT":"06/13/2011","SIG_SUB":"N","PART_SECTION":"77.1607(p)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/15/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-06-13"},{"SOURCE_ROW_NUMBER":"2932851","VIOLATION_NO":"8123594","VIOLATION_ISSUE_DT":"06/13/2011","SIG_SUB":"N","PART_SECTION":"77.1606(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/15/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-06-13"},{"SOURCE_ROW_NUMBER":"2932850","VIOLATION_NO":"8123576","VIOLATION_ISSUE_DT":"06/02/2011","SIG_SUB":"N","PART_SECTION":"75.370(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/02/2011","PROPOSED_PENALTY":"807","AMOUNT_DUE":"564","AMOUNT_PAID":"564","CONTESTED_IND":"N","sourceDate":"2011-06-02"},{"SOURCE_ROW_NUMBER":"2932849","VIOLATION_NO":"8123574","VIOLATION_ISSUE_DT":"06/01/2011","SIG_SUB":"N","PART_SECTION":"75.402","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"6","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/02/2011","PROPOSED_PENALTY":"207","AMOUNT_DUE":"207","AMOUNT_PAID":"207","CONTESTED_IND":"N","sourceDate":"2011-06-01"},{"SOURCE_ROW_NUMBER":"2932848","VIOLATION_NO":"8123573","VIOLATION_ISSUE_DT":"06/01/2011","SIG_SUB":"N","PART_SECTION":"75.1505(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"6","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/02/2011","PROPOSED_PENALTY":"207","AMOUNT_DUE":"207","AMOUNT_PAID":"207","CONTESTED_IND":"N","sourceDate":"2011-06-01"},{"SOURCE_ROW_NUMBER":"2932820","VIOLATION_NO":"8128606","VIOLATION_ISSUE_DT":"02/23/2011","SIG_SUB":"N","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/25/2011","PROPOSED_PENALTY":"308","AMOUNT_DUE":"308","AMOUNT_PAID":"308","CONTESTED_IND":"N","sourceDate":"2011-02-23"},{"SOURCE_ROW_NUMBER":"2932819","VIOLATION_NO":"8128605","VIOLATION_ISSUE_DT":"02/23/2011","SIG_SUB":"N","PART_SECTION":"75.1702","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/17/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-02-23"},{"SOURCE_ROW_NUMBER":"2932818","VIOLATION_NO":"8127815","VIOLATION_ISSUE_DT":"02/22/2011","SIG_SUB":"N","PART_SECTION":"75.1504(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/24/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-02-22"},{"SOURCE_ROW_NUMBER":"2932817","VIOLATION_NO":"8127812","VIOLATION_ISSUE_DT":"02/17/2011","SIG_SUB":"N","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/24/2011","PROPOSED_PENALTY":"745","AMOUNT_DUE":"525","AMOUNT_PAID":"525","CONTESTED_IND":"N","sourceDate":"2011-02-17"},{"SOURCE_ROW_NUMBER":"2932816","VIOLATION_NO":"8127811","VIOLATION_ISSUE_DT":"02/17/2011","SIG_SUB":"Y","PART_SECTION":"75.1731(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/17/2011","PROPOSED_PENALTY":"540","AMOUNT_DUE":"540","AMOUNT_PAID":"540","CONTESTED_IND":"N","sourceDate":"2011-02-17"},{"SOURCE_ROW_NUMBER":"2932815","VIOLATION_NO":"8127810","VIOLATION_ISSUE_DT":"02/17/2011","SIG_SUB":"Y","PART_SECTION":"75.220(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"2","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"02/24/2011","PROPOSED_PENALTY":"362","AMOUNT_DUE":"362","AMOUNT_PAID":"362","CONTESTED_IND":"N","sourceDate":"2011-02-17"},{"SOURCE_ROW_NUMBER":"2932822","VIOLATION_NO":"8118037","VIOLATION_ISSUE_DT":"02/09/2011","SIG_SUB":"Y","PART_SECTION":"75.220(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/11/2011","PROPOSED_PENALTY":"20900","AMOUNT_DUE":"4000","AMOUNT_PAID":"4000","CONTESTED_IND":"N","sourceDate":"2011-02-09"}]}],"safety":{"href":"/api/v1/mines/4609243/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4609243/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","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1607","heading":"Loading and haulage equipment; operation.","id":"77.1607","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607","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) Vehicles shall follow at a safe distance; passing shall be limited to areas of adequate clearance and visibility.\n\n(b) Mobile equipment operators shall have full control of the equipment while it is in motion.\n\n(c) Equipment operating speeds shall be prudent and consistent with conditions of roadway, grades, clearance, visibility, traffic, and the type of equipment used.\n\n(d) Cabs of mobile equipment shall be kept free of extraneous materials.\n\n(e) Operators shall sit facing the direction of travel while operating equipment with dual controls.\n\n(f) When an equipment operator is present, men shall notify him before getting on or off equipment.\n\n(g) Equipment operators shall be certain, by signal or other means, that all persons are clear before starting or moving equipment.\n\n(h) Where possible, aerial tramways shall not be started until the tramway operator has ascertained that everyone is in the clear.\n\n(i) Dust control measures shall be taken where dust significantly reduces visibility of equipment operators.\n\n(j) Dippers, buckets, loading booms, or heavy suspended loads shall not be swung over the cabs of haulage vehicles until the drivers are out of the cabs and in safe locations, unless the trucks are designed specifically to protect the drivers from falling material.\n\n(k) Men shall not work or pass under the buckets or booms of loaders in operation.\n\n(l) Tires shall be deflated before repairs on them are started and adequate means shall be provided to prevent wheel locking rims from creating a hazard during tire inflation.\n\n(m) Electrically powered mobile equipment shall not be left unattended unless the master switch is in the off position, all operating controls are in the neutral position, and the brakes are set or other equivalent precautions are taken against rolling.\n\n(n) Mobile equipment shall not be left unattended unless the brakes are set. The wheels shall be turned into a bank or berm, or shall be blocked, when such equipment is parked on a grade.\n\n(o) Lights, flares, or other warning devices shall be posted when parked equipment creates a hazard to vehicular traffic.\n\n(p) Dippers, buckets, scraper blades, and similar movable parts shall be secured or lowered to the ground when not in use.\n\n(q) Shovel trailing cables shall not be moved with the shovel dipper unless cable slings or sleds are used.\n\n(r) Equipment which is to be hauled shall be loaded and protected so as to prevent sliding or spillage.\n\n(s) When moving between work areas, the equipment shall be secured in the travel position.\n\n(t) Any load extending more than 4 feet beyond the rear of the vehicle body should be marked clearly with a red flag by day and a red light at night.\n\n(u) Tow bars shall be used to tow heavy equipment and a safety chain shall be used in conjunction with each tow bar.\n\n(v) Railroad cars shall be kept under control at all times by the car dropper. Cars shall be dropped at a safe rate and in a manner that will insure that the car dropper maintains a safe position while working and traveling around the cars.\n\n(w) Railroad cars shall not be coupled or uncoupled manually from the inside of curves unless the railroad and cars are so designed to eliminate any hazard from coupling or uncoupling cars from inside of curves.\n\n(x) Persons shall wear safety belts when dropping railroad cars.\n\n(y) Railcars shall not be left on sidetracks unless ample clearance is provided for traffic on adjacent tracks.\n\n(z) Parked railcars, unless held effectively by brakes, shall be blocked securely.\n\n(aa) Railroad cars and all trucks shall be trimmed properly when they have been loaded higher than the confines of their cargo space.\n\n(bb) When the entire length of a conveyor is visible from the starting switch, the operator shall visually check to make certain that all persons are in the clear before starting the conveyor. When the entire length of the conveyor is not visible from the starting switch, a positive audible or visible warning system shall be installed and operated to warn persons that the conveyor will be started.\n\n(cc) Unguarded conveyors with walkways shall be equipped with emergency stop devices or cords along their full length.\n\n(dd) Adequate backstops or brakes shall be installed on inclined-conveyor drive units to prevent conveyors from running in reverse if a hazard to personnel would be caused.\n\n(ee) Aerial tram conveyor buckets shall not be overloaded, and feed shall be regulated to prevent spillage.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1606","heading":"Loading and haulage equipment; inspection and maintenance.","id":"77.1606","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606","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) Mobile loading and haulage equipment shall be inspected by a competent person before such equipment is placed in operation. Equipment defects affecting safety shall be recorded and reported to the mine operator.\n\n(b) Carriers on aerial tramways, including loading and unloading mechanisms, shall be inspected each shift; brakes shall be inspected daily; ropes and supports shall be inspected as recommended by the manufacturer or as physical conditions warrant. Equipment defects affecting safety shall be reported to the mine operator.\n\n(c) Equipment defects affecting safety shall be corrected before the equipment is used.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.370","heading":"Mine ventilation plan; submission and approval.","id":"75.370","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"D","subpartHeading":"Subpart D—Ventilation","text":"(a)(1) The operator shall develop and follow a ventilation plan approved by the district manager. The plan shall be designed to control methane and respirable dust and shall be suitable to the conditions and mining system at the mine. The ventilation plan shall consist of two parts, the plan content as prescribed in § 75.371 and the ventilation map with information as prescribed in § 75.372. Only that portion of the map which contains information required under § 75.371 will be subject to approval by the district manager.\n\n(2) The proposed ventilation plan and any revision to the plan shall be submitted in writing to the district manager. When revisions to a ventilation plan are proposed, only the revised pages, maps, or sketches of the plan need to be submitted. When required in writing by the district manager, the operator shall submit a fully revised plan by consolidating the plan and all revisions in an orderly manner and by deleting all outdated material.\n\n(3) (i) The mine operator shall notify the representative of miners at least 5 days prior to submission of a mine ventilation plan and any revision to a mine ventilation plan. If requested, the mine operator shall provide a copy to the representative of miners at the time of notification. In the event of a situation requiring immediate action on a plan revision, notification of the revision shall be given, and if requested, a copy of the revision shall be provided, to the representative of miners by the operator at the time of submittal;\n\n(ii) A copy of the proposed ventilation plan, and a copy of any proposed revision, submitted for approval shall be made available for inspection by the representative of miners; and\n\n(iii) A copy of the proposed ventilation plan, and a copy of any proposed revision, submitted for approval shall be posted on the mine bulletin board at the time of submittal. The proposed plan or proposed revision shall remain posted until it is approved, withdrawn or denied.\n\n(b) Following receipt of the proposed plan or proposed revision, the representative of miners may submit timely comments to the district manager, in writing, for consideration during the review process. A copy of these comments shall also be provided to the operator by the district manager upon request.\n\n(c) (1) The district manager will notify the operator in writing of the approval or denial of approval of a proposed ventilation plan or proposed revision. A copy of this notification will be sent to the representative of miners by the district manager.\n\n(2) If the district manager denies approval of a proposed plan or revision, the deficiencies of the plan or revision shall be specified in writing and the operator will be provided an opportunity to discuss the deficiencies with the district manager.\n\n(d) No proposed ventilation plan shall be implemented before it is approved by the district manager. Any intentional change to the ventilation system that alters the main air current or any split of the main air current in a manner that could materially affect the safety and health of the miners, or any change to the information required in § 75.371 shall be submitted to and approved by the district manager before implementation.\n\n(e) Before implementing an approved ventilation plan or a revision to a ventilation plan, persons affected by the revision shall be instructed by the operator in its provisions.\n\n(f) The approved ventilation plan and any revisions shall be—\n\n(1) Provided upon request to the representative of miners by the operator following notification of approval;\n\n(2) Made available for inspection by the representative of miners; and\n\n(3) Posted on the mine bulletin board within 1 working day following notification of approval. The approved plan and revisions shall remain posted on the bulletin board for the period that they are in effect.\n\n(g) The ventilation plan for each mine shall be reviewed every 6 months by an authorized representative of the Secretary to assure that it is suitable to current conditions in the mine.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.402","heading":"Rock dusting.","id":"75.402","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.402","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Combustible Materials and Rock Dusting","text":"[Statutory Provision]\n\nAll underground areas of a coal mine, except those areas in which the dust is too wet or too high in incombustible content to propagate an explosion, shall be rock dusted to within 40 feet of all working faces, unless such areas are inaccessible or unsafe to enter or unless the Secretary or his authorized representative permits an exception upon his finding that such exception will not pose a hazard to the miners. All crosscuts that are less than 40 feet from a working face shall also be rock dusted.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1505","heading":"Escapeway maps.","id":"75.1505","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-P/section-75.1505","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"P","subpartHeading":"Subpart P—Mine Emergencies","text":"(a) Content and accessibility. An escapeway map shall show the designated escapeways from the working sections or the miners' work stations to the surface or the exits at the bottom of the shaft or slope, refuge alternatives, and SCSR storage locations. The escapeway map shall be posted or readily accessible for all miners—\n\n(1) In each working section;\n\n(2) In each area where mechanized mining equipment is being installed or removed;\n\n(3) At the refuge alternative; and\n\n(4) At a surface location of the mine where miners congregate, such as at the mine bulletin board, bathhouse, or waiting room.\n\n(b) Keeping maps current. All maps shall be kept up-to-date and any change in route of travel, location of doors, location of refuge alternatives, or direction of airflow shall be shown on the maps by the end of the shift on which the change is made.\n\n(c) Informing affected miners. Miners underground on a shift when any such change is made shall be notified immediately of the change and other affected miners shall be informed of the change before entering the underground areas of the mine.\n\n[71 FR 71452, Dec. 8, 2006, as amended at 73 FR 80698, Dec. 31, 2008]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.400","heading":"Accumulation of combustible materials.","id":"75.400","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Combustible Materials and Rock Dusting","text":"Coal dust, including float coal dust deposited on rock-dusted surfaces, loose coal, and other combustible materials, shall be cleaned up and not be permitted to accumulate in active workings, or on diesel-powered and electric equipment therein.\n\n[61 FR 55527, Oct. 25, 1996]","occurrenceCount":2},{"chapter":"I","heading":"Smoking; prohibition.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1702","part":"75","subchapter":"O","subpart":"R","id":"75.1702","citation":"30 CFR 75.1702","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Mine emergency evacuation training and drills.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-P/section-75.1504","part":"75","subchapter":"O","subpart":"P","id":"75.1504","citation":"30 CFR 75.1504","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1731","heading":"Maintenance of belt conveyors and belt conveyor entries.","id":"75.1731","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1731","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"R","subpartHeading":"Subpart R—Miscellaneous","text":"(a) Damaged rollers, or other damaged belt conveyor components, which pose a fire hazard must be immediately repaired or replaced. All other damaged rollers, or other damaged belt conveyor components, must be repaired or replaced.\n\n(b) Conveyor belts must be properly aligned to prevent the moving belt from rubbing against the structure or components.\n\n(c) Materials shall not be allowed in the belt conveyor entry where the material may contribute to a frictional heating hazard.\n\n(d) Splicing of any approved conveyor belt must maintain flame-resistant properties of the belt.\n\n[73 FR 80616, Dec. 31, 2008]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.220","heading":"Roof control plan.","id":"75.220","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.220","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"C","subpartHeading":"Subpart C—Roof Support","text":"(a)(1) Each mine operator shall develop and follow a roof control plan, approved by the District Manager, that is suitable to the prevailing geological conditions, and the mining system to be used at the mine. Additional measures shall be taken to protect persons if unusual hazards are encountered.\n\n(2) The proposed roof control plan and any revisions to the plan shall be submitted, in writing, to the District Manager. When revisions to a roof control plan are proposed, only the revised pages need to be submitted unless otherwise specified by the District Manager.\n\n(b)(1) The mine operator will be notified in writing of the approval or denial of approval of a proposed roof control plan or proposed revision.\n\n(2) When approval of a proposed plan or revision is denied, the deficiencies of the plan or revision and recommended changes will be specified and the mine operator will be afforded an opportunity to discuss the deficiencies and changes with the District Manager.\n\n(3) Before new support materials, devices or systems other than roof bolts and accessories, are used as the only means of roof support, the District Manager may require that their effectiveness be demonstrated by experimental installations.\n\n(c) No proposed roof control plan or revision to a roof control plan shall be implemented before it is approved.\n\n(d) Before implementing an approved revision to a roof control plan, all persons who are affected by the revision shall be instructed in its provisions.\n\n(e) The approved roof control plan and any revisions shall be available to the miners and representative of miners at the mine.\n\n[53 FR 2375, Jan. 27, 1988; 53 FR 11395, Apr. 6, 1988, as amended at 60 FR 33723, June 29, 1995; 71 FR 16668, Apr. 3, 2006]","occurrenceCount":2}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4609243","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}