MSHA DATABASEMSHA records · 17 contributing sources · snapshot Oct 18, 2026

MINE DETAILS

Henderson County Mine

ActiveUndergroundCoal (Bituminous)
MSHA MINE ID1502709
LOCATIONHenderson, KY
PUBLIC RECORD46,595 linked rows

LOCATION

Mine location

1 of 1 mine with usable MSHA coordinates. Select a marker to open a mine.

Mine coordinates

2025-01-01 – 2026-10-18Applies to production, safety and portfolio metrics. Silica samples have separate filters.

Violations

525

120 significant & substantial (S&S)

  1. 2025 Q151
  2. 2025 Q244
  3. 2025 Q347
  4. 2025 Q495
  5. 2026 Q180
  6. 2026 Q2105
  7. 2026 Q387
  8. 2026 Q4 *16

Accident records

68

0 records classified as fatality

  1. 2025 Q13
  2. 2025 Q22
  3. 2025 Q313
  4. 2025 Q414
  5. 2026 Q18
  6. 2026 Q212
  7. 2026 Q316
  8. 2026 Q4 *0

Proposed penalties · USD

183,215.00

496 of 525 violations with amounts

  1. 2025 Q118,990
  2. 2025 Q29,433
  3. 2025 Q38,544
  4. 2025 Q428,245
  5. 2026 Q127,968
  6. 2026 Q234,740
  7. 2026 Q355,295
  8. 2026 Q4 *—

On-site inspection hours

6,081.25

24 inspections · 24 with hours

  1. 2025 Q1495.50
  2. 2025 Q2530.75
  3. 2025 Q3591.00
  4. 2025 Q4915.75
  5. 2026 Q1951.50
  6. 2026 Q21,351.50
  7. 2026 Q31,096.25
  8. 2026 Q4 *149.00
Quarterly safety data
QuarterViolationsS&SProposed USDAccident recordsFatality recordsInspectionsOn-site hours
2025-Q151918,990.00305495.5
2025-Q24459,433.00203530.8
2025-Q34748,544.001305591.0
2025-Q4953028,245.001403915.8
2026-Q1802027,968.00802951.5
2026-Q21052434,740.0012021,351.5
2026-Q3872655,295.0016031,096.3
2026-Q4 *162—001149.0

Most cited CFR sections

All violations issued in the selected period. Counts combine subsections.

Safety activity

  1. accident220253170076

    MACHINERY · DAYS AWAY FROM WORK ONLY

    Accident narrative

    Employee was dropping the bolter cable as it was tramming. EE was unaware that EE had stepped between the bolter and the rib and as the pinner swung it struck EE's lower left leg resulting in a fracture. EE began missing work the following day 9/26/25.

  2. accident220253170077

    MACHINERY · NO DYS AWY FRM WRK,NO RSTR ACT

    Accident narrative

    Employee was drilling a hole when a piece of draw rock fell striking EE's right forearm causing a laceration. EE was treated at the ER where EE received four sutures and a full release with no restrictions. Returned EE's next scheduled shift.

  3. accident220252580041

    HANDLING OF MATERIALS · NO DYS AWY FRM WRK,NO RSTR ACT

    Accident narrative

    Employee was rock dusting on the belt line and reached up to steady themselves on a piece of corrugated metal and their hand slid across it causing a laceration to left hand. EE was treated at the ER where they received four sutures and a full release to return for their next scheduled shift.

  4. accident220252410011

    HANDLING OF MATERIALS · NO DYS AWY FRM WRK,NO RSTR ACT

    Accident narrative

    Employee was digging through the tool box on EE's diesel ride when the heavy steel tool box lid fell smashing the three middle fingers of EE's right hand. EE finished EE's shift then went to the mine nurse where EE received sutures in EE's right ring finger and middle finger due to the lacerations. EE returned to work at EE's normal job without restriction.

  5. accident220252300007

    MACHINERY · DAYS AWAY FROM WORK ONLY

    Accident narrative

    Employee was pinning when a piece of draw rock fell striking EE in the middle of EE's back on the right side. EE finished EE's shift but when EE came in the next day EE wanted to be checked by a physician. X-rays were negative for fractures but EE said EE was unable to work so EE was taken off work beginning 8/6/25 as EE was unable to perform EE's normal job.

  6. accident220252540017

    HANDLING OF MATERIALS · DAYS AWAY FROM WORK ONLY

    Accident narrative

    Employee was drilling a hole to install a pin when the steel became stuck. As they went to pull the steel out they felt a pain in their right shoulder. They continued to work their normal job until they were taken off work beginning 9/5/25 as they were unable to perform their normal job.

  7. accident220252190024

    HANDLING OF MATERIALS · DAYS AWAY FROM WORK ONLY

    Accident narrative

    Employee was lifting a man door for a brattice when they felt a sharp pain in lower back. They finished the shift, but when they awoke the next day, they were having lower back pain. EE was seen by a physician on 7/31/25 and was taken off work as they were unable to perform their normal job.

  8. accident220252180030

    POWERED HAULAGE · NO DYS AWY FRM WRK,NO RSTR ACT

    Accident narrative

    Employee was using a lo trac to compact contents of a dumpster. As they pushed down with the forks, they dropped suddenly causing the machine to pivot. Their left forearm was pinched between the fire suppression guard on the front of the machine and the fire extinguisher guard on the rear. This resulted in a laceration which required ten sutures.

  9. accident220252180031

    POWERED HAULAGE · NO DYS AWY FRM WRK,NO RSTR ACT

    Accident narrative

    Employee was standing in crosscut as a diesel scoop was pulling another diesel scoop. The chain hooked between the scoops pulled tight throwing a piece of rock striking the employee in the forehead above left eye. Employee received four sutures at the mine nurse and returned their next scheduled shift.

  10. accident220252130023

    HANDLING OF MATERIALS · DAYS AWAY FROM WORK ONLY

    Accident narrative

    Employee was opening a set of air lock doors when they felt their knee pop. Employee was seen by a doctor the same day and was taken off work beginning 7/22/25 as they were unable to perform their normal job.

  11. accident220252090013

    FALL OF ROOF OR BACK · ACCIDENT ONLY

    Accident narrative

    A fall of the roof occurred in the 1st SE Mains, #11 seam - 3rd 60 Beltline Crosscut 102 - #3 Entry - Spad 13+00. Fall measured approximately 25' length, 16'-18' width, 6'-10' height.

  12. accident220252060010

    SLIP OR FALL OF PERSON · DAYS AWAY FROM WORK ONLY

    Accident narrative

    Employee was helping bolter move when the reel was engaged knocking EE to the ground, landing on EE's left wrist. Finished shift but had pain and swelling the following day. Diagnosed with a fracture of left wrist and taken off work beginning 7/16/25 as EE was unable to perform EE's normal duties.

  13. accident220251970019

    HANDLING OF MATERIALS · DAYS AWAY FROM WORK ONLY

    Accident narrative

    Employee was discharging a fire suppression hose to install on a new header when they lost control causing the hose to come back striking them in the groin. They had surgery the same day and began missing work on 7/8/25 as they were unable to perform their regular duties.

  14. accident220251470002

    MACHINERY · DAYS AWAY FROM WORK ONLY

    Accident narrative

    Employee was installing a pin and a head came out of the roof, striking EE in the right arm. On 5/21/25 EE was diagnosed with a fracture to EE's right elbow and was taken off work as EE was unable to perform EE's normal work duties.

  15. accident220251470001

    HANDLING OF MATERIALS · DAYS AWAY FROM WORK ONLY

    Accident narrative

    On 5/13/2025 employee was standing a bundle of mesh up to lean it against the rib when EE felt a pop in EE's left shoulder. Employee continued to work without restrictions performing EE's normal task, and was seen by a doctor and was taken off work on 5/21/2025 as EE would not be able to perform EE's normal work duties

  16. accident220250900002

    HANDTOOLS (NONPOWERED) · NO DYS AWY FRM WRK,NO RSTR ACT

    Accident narrative

    Employee was prying on a dust hose with a pinner steel. The steel became lodged, and as EE jerked it free, EE's right pinky finger was smashed between the steel and the coal rib. EE received three sutures and returned to work EE's next scheduled shift.

  17. accident220250520018

    MACHINERY · DAYS AWAY FROM WORK ONLY

    Accident narrative

    Employee was putting pin steels together when EE applied upwards pressure causing the steels to pop the webbing of EE's left hand between the thumb and index finger. EE was treated by the mine nurse where EE received seven sutures which prevented EE from doing their normal job and began missing work on 2/13/25.

  18. accident220250340003

    HANDLING OF MATERIALS · DAYS AWAY FROM WORK ONLY

    Accident narrative

    Employee was loading cable bolts on the bolter when EE felt a pain in EE's abdomen and noticed a knot on EE's navel. EE was diagnosed with a hernia on 01/24/2025 and was taken off work as EE was unable to perform EE's normal work duties.

Safety sources and definitions

MSHA Violations (issue date), Accidents (accident date), and Inspections (begin date). Snapshot 2026-10-18.

Counts describe published rows, including contractor records; accident records are not distinct incidents or numbers of people injured.

Zero means no matching records in the imported sources, not proof of no events. Historical coverage differs by source; absence before a source begins reporting is not a zero incident rate. Invalid or absent dates and records after the snapshot are excluded.

S&S means SIG_SUB=Y. Fatality records use DEGREE_INJURY_CD=01. Proposed penalties are not final assessed or paid amounts; missing dollar values are omitted.

Inspection hours are SUM_TOTAL_ON_SITE_HOURS attributed to the inspection start date, without supervisor/trainee hours. Missing hours are omitted; a started inspection may still be open.

Portfolio totals use current mine membership, including events before the current owner or operator's tenure.

CFR headings link to the current Title 30 index; they are not historical legal determinations.

Latest EIA month: 2026-07Source checked 2026-10-18 · publication lag differs from MSHA.

REPORTED RECEIPTS · SHORT TONS—0 rows · 0 receiving plants
HEAT CONTENT · BTU/LB—Weighted by reported tons
SULFUR / ASH · % BY WEIGHT— / —Separate averages over measured receipts
DELIVERED COST · USD/TON—No price coverage

No receipts matched this mine in the selected period. EIA-923 does not cover all mine sales, exports or metallurgical coal shipments.

Coverage, sources and calculations
  • Reported coal receipts at EIA-923 power plants/terminals; this is not a census of mine shipments, exports or metallurgical sales.
  • Matches use only the published MSHA ID, normalized to seven digits. Unidentified mine origins remain in the source table but are not assigned to a mine.
  • Portfolio attribution uses current MSHA ownership, not ownership at the shipment date. Receipts and production can differ because of timing, stocks and coverage.
  • Quality means are weighted by positive reported tons with that measurement. Delivered cost uses only rows with published cost, positive heat and positive tons; missing/withheld costs are never zero-filled.
  • USD/ton = (cents/MMBtu ÷ 100) × MMBtu/ton. This is plant delivered cost, not mine sales price or revenue.
  • Receipt month is as published, including records supplied by annual respondents. Recent months are preliminary and subject to revision. Missing rows do not prove zero shipments.

Imported releases start 2008-01. This window includes 12 published months. EIA releases · Survey instructions

  • 2026 · preliminary · EIA923_Schedules_2_3_4_5_M_07_2026_21SEP2026.xlsx · Page 5 Fuel Receipts and Costs
  • 2025 · final · EIA923_Schedules_2_3_4_5_M_12_2025_Final.xlsx · Page 5 Fuel Receipts and Costs

Latest priced year: 2024Source checked 2026-10-18. Prices apply only to their calendar year.

FOB PRICE BENCHMARK · USD/TON—Published county average
ESTIMATED SALES · SHORT TONS—Allocated from published county sales
ESTIMATED COAL REVENUE · USD—Covered mines only · not reported revenue
ANNUAL PRODUCTION COVERED0.0%0 of 1 producing annual mine records
Mine / countyAnnual production · tonsCounty FOB · USD/tonEst. sales · tonsEst. coal revenue · USDBasis / availability
Henderson County Mine1502709 · Union, Kentucky254,286———County sales or price not published2 eligible mines / 2 sales respondents
Method, assumptions and source records
  1. This is an annual county-sales allocation, not reported mine or company revenue. Currency is nominal USD in the source year; quantities are short tons.
  2. Mine share = same-year annual mine production / eligible same-county production. Estimated sales = published county sales × share. Estimated coal revenue = estimated sales × published county average FOB price.
  3. The model assumes eligible mines share county sales in proportion to production and receive the county-average price. Matching mine counts is a check, not proof of identical respondents. Mine quality, contracts and sales timing can differ substantially. No statistical confidence interval is implied.
  4. FOB excludes transport and insurance. EIA-923 delivered costs do not enter this model. No grade premium, state/national fallback, quarterly apportionment or carry-forward to a later year is applied.
  5. Eligibility follows the source's production threshold and excludes preparation-only and refuse operations. Withheld values, inconsistent county counts and missing/ambiguous locations produce no estimate.
  6. County sales are published in thousands of tons and prices to cents. Calculations retain precision, but the inputs are rounded and the allocation is approximate.
  7. Portfolio attribution uses current MSHA ownership, not ownership during the sales year. Covered-mine sums exclude unavailable estimates and must not be read as whole-company revenue. Coverage denominators use the annual EIA mine-production release.

Sales-reporting threshold: 50,000 short tons per mine in 2024. Withheld sales or prices stay unavailable.

EIA Table 30 · county sales and FOB prices · EIA annual mine production · Release index

Annual report released November 19, 2025. Method: county-sales-allocation-v1. JSON and CSV preserve source row numbers and file checksums.

OWNERSHIP

Operator and controller history

Current ownership comes from MSHA Mines. Historical start and end dates come from MSHA Controller and Operator History.

CURRENT HIERARCHYAlliance Resource Partners LP → River View Coal LLC → Henderson County Mine
HISTORY RECORDS821 relationships
INTERVAL CHECKPASScontroller/operator overlap
—

Alliance Resource Partners LPcontrolsRiver View Coal LLCoperatesHenderson County Mine

msha-controller-operator-history · controller/operator co-tenure derived on mine 1502709
—

Alliance Resource Partners LPcontrolsUC Mining, LLCoperatesHenderson County Mine

msha-controller-operator-history · controller/operator co-tenure derived on mine 1502709
—

Richard J Robinson et alcontrolsPrairie Mining Company, LLCoperatesHenderson County Mine

msha-controller-operator-history · controller/operator co-tenure derived on mine 1502709
—

Ben Statler et alcontrolsPrairie Mining Company, LLCoperatesHenderson County Mine

msha-controller-operator-history · controller/operator co-tenure derived on mine 1502709
—

Patriot Coal CorporationcontrolsHighland Mining Company LLCoperatesHenderson County Mine

msha-controller-operator-history · controller/operator co-tenure derived on mine 1502709
—

Peabody Energy CorporationcontrolsHighland Mining Company LLCoperatesHenderson County Mine

msha-controller-operator-history · controller/operator co-tenure derived on mine 1502709
—

Hanson PLCcontrolsPeabody Coal CompanyoperatesHenderson County Mine

msha-controller-operator-history · controller/operator co-tenure derived on mine 1502709
—

Kennecott Copper CorpcontrolsPeabody Coal CompanyoperatesHenderson County Mine

msha-controller-operator-history · controller/operator co-tenure derived on mine 1502709
Other historical summaries · source-specific periods

RECORD SUMMARY

Production, safety and enforcement

These summaries use the periods stated on each card, independently of the reporting period above.

01 / SAFETYwatch

Accidents and injuries

824 historical accident/injury rows; 2 coded fatalities and 20,657 lost days across the published record.

ACCIDENT + INJURY RECORD85 since 2021
accidentsmine-production-quarterly
02 / COMPLIANCEwatch

Violations and penalties

8,376 violation rows across the full record; 2,474 carry an S&S flag and $6,289,169 appears in current assessed amounts.

ENFORCEMENT ACTIVITY717 since 2021
inspectionsviolationsassessed-violationsorders-107a
03 / HEALTHwatch

Occupational health samples

11,731 coal dust; 881 coal quartz; 764 noise. 0 personal-sample rows have a published C/E ratio above 1; 204 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.

OCCUPATIONAL EXPOSURE13K samples
coal-dust-samplesquartz-samplesnoise-samples
04 / PRODUCTIONcontext

Quarterly production and employment

301K employee hours and 465 summed average employees across reported subunits in the latest published quarter.

2026-Q21.9M tons
mine-production-quarterlymine-production-yearly
05 / LEGALwatch

Contests, conferences and decisions

2,251 contested-violation rows, 2,280 civil-penalty docket/decision rows, and 1,185 conference records linked by issuance number.

POST-ISSUANCE LIFECYCLE5,716 linked rows
conferencescontested-violationscivil-penalty-dockets-decisions
06 / CONTRACTORScontext

Contractors

Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.

ENTITY-LEVEL CONTEXT39 linked entities
contractor-production-quarterlycontractor-production-yearlyaccidentsviolations
07 / INSPECTIONScontext

Inspections

635 inspection events and 71K published inspection hours across the historical record.

OVERSIGHT COVERAGE45 since 2021
inspectionsviolations

HEALTH SAMPLING

Silica and quartz

Matching records152152 coal · 0 personal · 0 area
Sample status152 not voided0 voided · 0 status not reported
Mean coal quartz concentration6.11 µg/m³152 eligible measurements · 0 missing concentration
2026 · Jan 8, 2026–Oct 2, 2026
Date / sampleDataset / analyteOccupation / areaMeasurementSample statusPublished action
58547869 / lab 2026041544Coal quartzQuartzROOF BOLTER (TWIN HEAD) (RETURN SIDE)NON DESIGNATED OCCUPATION23 µg/m³2.5% quartzNot voidedNot reported
58547942 / lab 2026041552Coal quartzQuartzCONTINUOUS MINER OPERATORDESIGNATED OCCUPATION2 µg/m³0.5% quartzNot voidedNot reported
58547941 / lab 2026041554Coal quartzQuartzSHUTTLE CAR OPERATOR (STANDARD SIDE)NON DESIGNATED OCCUPATION0 µg/m³—% quartzNot voidedNot reported
58547870 / lab 2026041543Coal quartzQuartzCONTINUOUS MINER OPERATORDESIGNATED OCCUPATION12 µg/m³1.2% quartzNot voidedNot reported
58547874 / lab 2026041548Coal quartzQuartzSHUTTLE CAR OPERATOR (STANDARD SIDE)NON DESIGNATED OCCUPATION1 µg/m³0.2% quartzNot voidedNot reported
58547862 / lab 2026041546Coal quartzQuartzSHUTTLE CAR OPERATOR (STANDARD SIDE)NON DESIGNATED OCCUPATION4 µg/m³0.7% quartzNot voidedNot reported
58547986 / lab 2026041553Coal quartzQuartzROOF BOLTER (TWIN HEAD) (RETURN SIDE)NON DESIGNATED OCCUPATION14 µg/m³2.4% quartzNot voidedNot reported
58547795 / lab 2026041551Coal quartzQuartzSHUTTLE CAR OPERATOR (STANDARD SIDE)NON DESIGNATED OCCUPATION0 µg/m³—% quartzNot voidedNot reported
58547882 / lab 2026041470Coal quartzQuartzSHUTTLE CAR OPERATOR (STANDARD SIDE)NON DESIGNATED OCCUPATION1 µg/m³0.5% quartzNot voidedNot reported
58547866 / lab 2026041472Coal quartzQuartzROOF BOLTER (TWIN HEAD) (RETURN SIDE)NON DESIGNATED OCCUPATION4 µg/m³2.1% quartzNot voidedNot reported
58547922 / lab 2026041478Coal quartzQuartzSHUTTLE CAR OPERATOR (STANDARD SIDE)NON DESIGNATED OCCUPATION1 µg/m³0.2% quartzNot voidedNot reported
58547883 / lab 2026041469Coal quartzQuartzSHUTTLE CAR OPERATOR (STANDARD SIDE)NON DESIGNATED OCCUPATION0 µg/m³—% quartzNot voidedNot reported
58547982 / lab 2026041480Coal quartzQuartzCONTINUOUS MINER OPERATORDESIGNATED OCCUPATION2 µg/m³0.4% quartzNot voidedNot reported
58547976 / lab 2026041479Coal quartzQuartzSHUTTLE CAR OPERATOR (STANDARD SIDE)NON DESIGNATED OCCUPATION2 µg/m³0.4% quartzNot voidedNot reported
58547977 / lab 2026041471Coal quartzQuartzCONTINUOUS MINER OPERATORDESIGNATED OCCUPATION1 µg/m³0.4% quartzNot voidedNot reported
58547920 / lab 2026041481Coal quartzQuartzROOF BOLTER (TWIN HEAD) (RETURN SIDE)NON DESIGNATED OCCUPATION5 µg/m³1% quartzNot voidedNot reported
58547959 / lab 2026035148Coal quartzQuartzOCCUPATION CODE NOT FOUNDDESIGNATED AREA1 µg/m³0.2% quartzNot voidedNot reported
58547556 / lab 2026033460Coal quartzQuartzCONTINUOUS MINER OPERATORDESIGNATED OCCUPATION6 µg/m³0.9% quartzNot voidedNot reported
58547543 / lab 2026033462Coal quartzQuartzROOF BOLTER (TWIN HEAD) (RETURN SIDE)NON DESIGNATED OCCUPATION9 µg/m³2.1% quartzNot voidedNot reported
58547539 / lab 2026033461Coal quartzQuartzSHUTTLE CAR OPERATOR (STANDARD SIDE)NON DESIGNATED OCCUPATION7 µg/m³1% quartzNot voidedNot reported
Sources and interpretation
  • Coal means use numeric concentrations from samples marked not voided, excluding control/invalid sample types and dates after the snapshot. Missing values remain null; reported zeroes remain zero.
  • Quarterly means describe available samples, not mine-wide or worker-average exposure. Quarters with no eligible measurements remain empty; the current quarter is partial.
  • Personal C/E is MSHA's published concentration-to-limit ratio. A value above 1 is not by itself a citation or a determination under the 2024 silica rule. Personal and area files do not publish a void-status field.
  • Area records include bulk-dust analyses and are kept separate from personal exposure results. Their concentration units are not specified in the source dictionary.
  • Missing samples do not establish safe conditions. Coal quartz percentage and concentration are separate measures. No compliance threshold is inferred for coal samples.

Coal quartz field definitions ↗Metal/nonmetal personal field definitions ↗Metal/nonmetal area field definitions ↗

EIA + TITLE 30

EIA production and cited regulations

EIA annual figures are reported separately from MSHA. Regulation links use the current eCFR snapshot.

RECENT PUBLIC RECORDS

Recent violations and samples

Latest records retained for inspection; aggregates above use the full source history.

VIOLATIONS12 latest shown
504464175.370(a)(1)Citation
504464075.220(a)(1)Citation
504463975.333(h)Citation
504810475.1731(c)Citation
504580175.1914(a)Citation
504432475.350(a)(2)Citation
504432375.1100-3Citation
504580075.517S&S
OTHER HEALTH SAMPLES8 latest shown

Coal dust, noise and other contaminants. Silica records above ↑

Coal dustOCCUPATION CODE NOT FOUND
.7 mg/m³Voided · PREDATED
Coal dustCONTINUOUS MINER OPERATOR
.869 mg/m³Not voided
Coal dustOCCUPATION CODE NOT FOUND
.398 mg/m³Not voided
Coal dustCONTINUOUS MINER OPERATOR
1.279 mg/m³Not voided
Coal dustCONTINUOUS MINER OPERATOR
.791 mg/m³Not voided
Coal dustCONTINUOUS MINER OPERATOR
1.009 mg/m³Not voided
Coal dustCONTINUOUS MINER OPERATOR
.869 mg/m³Voided
Coal dustCONTINUOUS MINER OPERATOR
1.059 mg/m³Not voided

SOURCE COVERAGE

Reporting dates and coverage

17 datasets contain linked records. Missing datasets are listed below.

DATASETROWSWINDOWSTATUS
Accident, Injuries, and Illnessessafety · contractors824Jan 10, 2000—Sep 22, 2026mine-keyed
Addresses of Recordidentity · logistics1Jul 5, 2023—Jul 5, 2023mine-keyed
Assessed Violationscompliance · legal8,233Jan 4, 2000—Sep 9, 2026mine-keyed
Civil Penalty Dockets and Decisionscompliance · legal2,280Aug 13, 2001—Aug 18, 2026mine-keyed
Coal Dust Sampleshealth · safety11,731Jan 5, 2000—Oct 16, 2071mine-keyed
Conferencescompliance · legal1,185May 23, 2000—Dec 28, 2015mine-keyed
Contested Violationscompliance · legal2,251Jan 22, 2003—Jul 28, 2026mine-keyed
Contractor Employment and Production — Quarterlycontractors · production · safety7,629Not published—Not publishedentity-linked
Contractor Employment and Production — Yearlycontractors · production · safety1,463Not published—Not publishedentity-linked
Controller and Operator Historyidentity · compliance8Jan 1, 1950—Mar 28, 2023mine-keyed
Mine Employment and Production — Quarterlyproduction · safety · compliance281Not published—Not publishedmine-keyed
Mine Employment and Production — Yearlyproduction · safety · compliance52Not published—Not publishedmine-keyed
Inspectionssafety · compliance635Jan 3, 2000—Oct 1, 2026mine-keyed
Minesidentity · production · logistics1Not published—Not publishedmine-keyed
Metal and Nonmetal Area Sampleshealth · safety—No published rowsabsent / not applicable
Metal and Nonmetal Personal Health Sampleshealth · safety—No published rowsabsent / not applicable
Noise Sampleshealth · safety · equipment764Feb 29, 2000—Sep 16, 2026mine-keyed
Quartz Samples — Coalhealth · safety881Jan 5, 2000—Oct 2, 2026mine-keyed
Violationscompliance · safety · legal8,376Jan 4, 2000—Oct 15, 2026mine-keyed
107(a) Orders Issuedsafety · compliance—No published rowsabsent / not applicable

NOTES

Limitations

  • Contractor production is entity-level and is never represented as mine-attributable.
  • Missing rows can mean no event, publication delay, identity mismatch, or inapplicability.