MINE DETAILS
Chesney Underground
LOCATION
Mine location
1 of 1 mine with usable MSHA coordinates. Select a marker to open a mine.
Mine coordinates
- Chesney Underground36.22861, -83.71556Open map ↗
Quarterly trends
2025 Q1 – 2026 Q4
Database snapshot · 2026-10-13. MSHA quarterly production and employment reports.
Coal production
0reported short tons
Hours worked
248,416reported employee hours
Tons per hour
0.00production ÷ hours worked
Missing values appear as —. Totals use available reports. Tons per hour requires production and hours for the same quarters and a nonzero hours total. * Striped bars mark partial mine coverage or an incomplete quarter. See the table for coverage.
Quarterly data and reporting coverage
| Quarter | Coal (short tons) | Hours worked | Tons / hour | Avg. employees | Coverage |
|---|---|---|---|---|---|
| 2025 Q1 | 0 | 41,167 | 0.00 | 81 | 1/1 mines reporting |
| 2025 Q2 | 0 | 44,945 | 0.00 | 78 | 1/1 mines reporting |
| 2025 Q3 | 0 | 41,933 | 0.00 | 74 | 1/1 mines reporting |
| 2025 Q4 | 0 | 39,810 | 0.00 | 75 | 1/1 mines reporting |
| 2026 Q1 | 0 | 39,795 | 0.00 | 77 | 1/1 mines reporting |
| 2026 Q2 | 0 | 40,766 | 0.00 | 74 | 1/1 mines reporting |
| 2026 Q3 | — | — | — | — | No report |
| 2026 Q4 | — | — | — | — | No report |
Safety and enforcement
2025-01-01 – 2026-10-13
Violations
395 significant & substantial (S&S)
Accident records
50 records classified as fatality
Proposed penalties · USD
8,422.0034 of 39 violations with amounts
On-site inspection hours
430.7513 inspections · 13 with hours
Counts are published records, including contractor records. * The quarter was incomplete at the snapshot date; recent counts may rise as reports arrive. — means no reported amount or hours. Portfolio totals use current membership.
Quarterly safety data
| Quarter | Violations | S&S | Proposed USD | Accident records | Fatality records | Inspections | On-site hours |
|---|---|---|---|---|---|---|---|
| 2025-Q1 | 5 | 0 | 755.00 | 0 | 0 | 1 | 66.5 |
| 2025-Q2 | 8 | 1 | 2,377.00 | 1 | 0 | 3 | 66.5 |
| 2025-Q3 | 9 | 3 | 2,920.00 | 0 | 0 | 4 | 74.8 |
| 2025-Q4 | 3 | 0 | 453.00 | 0 | 0 | 1 | 55.3 |
| 2026-Q1 | 5 | 0 | 940.00 | 3 | 0 | 1 | 57.3 |
| 2026-Q2 | 4 | 0 | 977.00 | 0 | 0 | 2 | 59.5 |
| 2026-Q3 | 5 | 1 | — | 1 | 0 | 1 | 51.0 |
| 2026-Q4 * | 0 | 0 | — | 0 | 0 | 0 | — |
Most cited CFR sections
All violations issued in the selected period. Counts combine subsections.
Safety activity
57.20003(a)
57.12008
Regular Safety and Health Inspection · 51.0 on-site hours
57.14115
57.6501(a)(3)
57.14100(a) · S&S
HANDLING OF MATERIALS · DAYS AWAY FROM WORK ONLY
Accident narrative
Employee noticed lime burns to both wrists as they deconned their PPE for their lunch break. Employee reported injury to safety rep., treated by clinic per company policy, placed on light duty, and prescribed antibiotics on 7-16-2026 as a preventative measure for the burns in-case it was to become infected.
Verbal Hazard Complaint Inspections · 4.8 on-site hours
57.20003(a) · $245.00 proposed
57.4200(b)(2) · $151.00 proposed
Regular Safety and Health Inspection · 54.8 on-site hours
57.20003(a) · $245.00 proposed
57.6306(a) · $336.00 proposed
POWERED HAULAGE · DAYS AWAY FROM WORK ONLY
Accident narrative
While scaling in 33 West, a rock fell from the back and struck the scaler boom jolting the cab causing the operator to hit the windshield with EE's forehead and right shoulder. The operator was wearing a seat belt. EE as a mild concussion and a strained A/C shoulder joint. Scaler equipped with a lap belt style seat belt.
NONPOWERED HAULAGE · DAYS AWAY FROM WORK ONLY
Accident narrative
EE was cleaning on top of the kiln silos. As they went to straighten up to lift the wheelbarrow they heard and felt a pop in their back and was in a lot of pain. Dr. released them with no restrictions, went to Ortho on 4/13/26 due to continued pain. Dr. gave restriction and EE is now off work.
57.12032 · $151.00 proposed
57.11001 · $151.00 proposed
MACHINERY · DAYS RESTRICTED ACTIVITY ONLY
Accident narrative
Employee was following wires in the engine compartment for a light that was not working on a piece of equipment when their fingers contacted the fan blade of the engine cutting 2 fingers. They received 7 stiches in one finger and was put on restricted duty for 10 days.
57.14100(b) · $151.00 proposed
57.14201(b) · $336.00 proposed
57.4603(b) · $151.00 proposed
Regular Safety and Health Inspection · 57.3 on-site hours
57.14112(b) · $151.00 proposed
57.14112(b) · $151.00 proposed
57.14201(b) · $151.00 proposed
Safety sources and definitions
MSHA Violations (issue date), Accidents (accident date), and Inspections (begin date). Snapshot 2026-10-13.
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.
OWNERSHIP
Operator and controller history
Current ownership comes from MSHA Mines. Historical start and end dates come from MSHA Controller and Operator History.
Carmeuse Holding SAcontrolsCarmeuse Lime and StoneoperatesChesney Underground
msha-controller-operator-history · controller/operator co-tenure derived on mine 4002113Oglebay Norton CompanycontrolsCarmeuse Lime & StoneoperatesChesney Underground
msha-controller-operator-history · controller/operator co-tenure derived on mine 4002113Carmeuse Holding SAcontrolsCarmeuse Lime & StoneoperatesChesney Underground
msha-controller-operator-history · controller/operator co-tenure derived on mine 4002113Lafarge SAcontrolsCarmeuse Lime and StoneoperatesChesney Underground
msha-controller-operator-history · controller/operator co-tenure derived on mine 4002113Carmeuse Holding SAcontrolsCarmeuse Lime and StoneoperatesChesney Underground
msha-controller-operator-history · controller/operator co-tenure derived on mine 4002113Carmeuse Holding SAcontrolsCarmeuse Lime and StoneoperatesChesney Underground
msha-controller-operator-history · controller/operator co-tenure derived on mine 4002113Oglebay Norton CompanycontrolsCarmeuse Lime and StoneoperatesChesney Underground
msha-controller-operator-history · controller/operator co-tenure derived on mine 4002113Global Stone CorpcontrolsGlobal Stone Tenn Luttrell CompanyoperatesChesney Underground
msha-controller-operator-history · controller/operator co-tenure derived on mine 4002113Penn Virginia CorpcontrolsTenn Luttrell CompanyoperatesChesney Underground
msha-controller-operator-history · controller/operator co-tenure derived on mine 4002113Morrison Knudsen Corp (Old)controlsBlue Ridge Mining Company IncoperatesChesney Underground
msha-controller-operator-history · controller/operator co-tenure derived on mine 4002113Preston Carroll Enterprises InccontrolsLuttrell Mining Company IncoperatesChesney Underground
msha-controller-operator-history · controller/operator co-tenure derived on mine 4002113Other 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.
Accidents and injuries
57 historical accident/injury rows; 0 coded fatalities and 1,842 lost days across the published record.
accidentsmine-production-quarterlyViolations and penalties
428 violation rows across the full record; 124 carry an S&S flag and $147,184 appears in current assessed amounts.
inspectionsviolationsassessed-violationsorders-107aOccupational health samples
267 personal; 25 area. 3 personal-sample rows have a published C/E ratio above 1; 0 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.
personal-health-samplesarea-samplesQuarterly production and employment
41K employee hours and 74 summed average employees across reported subunits in the latest published quarter.
mine-production-quarterlymine-production-yearlyContests, conferences and decisions
63 contested-violation rows, 61 civil-penalty docket/decision rows, and 30 conference records linked by issuance number.
conferencescontested-violationscivil-penalty-dockets-decisionsContractors
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.
contractor-production-quarterlycontractor-production-yearlyaccidentsviolationsInspections
199 inspection events and 8K published inspection hours across the historical record.
inspectionsviolationsHEALTH SAMPLING
Silica and quartz
Coal quartz, metal/nonmetal personal samples and area samples. Snapshot Oct 13, 2026. 1 silica records across the mine’s published history.
Personal silica samples · concentration / limit
Quarterly mean · published C/E ratio
— No eligible measurements. * Quarter in progress. Means describe the available samples, not average exposure across the mine.
Quartz % is the sample’s quartz content; µg/m³ is its reported concentration. Personal C/E is the ratio to the limit published with that sample. Personal and area concentration units and void status are not specified in those source files.
| Date / sample | Dataset / analyte | Occupation / area | Measurement | Sample status | Published action |
|---|---|---|---|---|---|
| No silica records match these filters. Missing samples do not establish safe conditions. | |||||
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.
This can mean the operation is non-coal, inactive for the annual period, or outside the EIA-7A reporting population.
RECENT PUBLIC RECORDS
Recent violations and samples
Latest records retained for inspection; aggregates above use the full source history.
Coal dust, noise and other contaminants. Silica records above ↑
SOURCE COVERAGE
Reporting dates and coverage
16 datasets contain linked records. Missing datasets are listed below.
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.