# Rolling Thunder Mine

- **MSHA mine ID:** 4609111
- **Status:** Active
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Nicholas, WV
- **Operator:** Nicholas-Contura, LLC
- **Controller:** Alpha Metallurgical Resources Inc
- **Public source rows linked:** 3,420
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alpha Metallurgical Resources Inc (0127321) → Nicholas-Contura, LLC (0146435) → Rolling Thunder Mine (4609111)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **Donn A  Chickering → Peachtree Ridge Mining Company, Inc.:** 2005-08-01 through 2022-08-29; derived from co-tenure at mine 4609111; source `msha-controller-operator-history`.
- **Alpha Metallurgical Resources Inc → Nicholas-Contura, LLC:** 2022-08-30 through current/open; derived from co-tenure at mine 4609111; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- Interval anomalies: 0
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 7 since 2021:** Accidents and injuries 7 historical accident/injury rows; 1 coded fatalities and 305 lost days across the published record.
2. **COMPLIANCE — 210 since 2021:** Violations and penalties 213 violation rows across the full record; 30 carry an S&S flag and $157,569 appears in current assessed amounts.
3. **HEALTH — 2K samples:** Occupational health samples 2,183 coal dust; 101 coal quartz; 67 noise. 0 personal-sample rows have a published C/E ratio above 1; 12 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.
4. **PRODUCTION — 183K tons:** Quarterly production and employment 58K employee hours and 97 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 17 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 civil-penalty docket/decision rows, and 9 conference records linked by issuance number.
6. **CONTRACTORS — 4 linked entities:** 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.
7. **INSPECTIONS — 29 since 2021:** Inspections 33 inspection events and 5K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 427,100 short tons
- **Labor hours:** 157,479
- **Average employees:** 67
- **Coal supply region:** Appalachia Central
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.1104 — Accumulations of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 75.1403 — Other safeguards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403
- **30 CFR 75.1713-3 — First-Aid training; supervisory employees.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1713-3
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **30 CFR 75.512 — Electric equipment; examination, testing and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512
- **30 CFR 75.604 — Permanent splicing of trailing cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.604
- **30 CFR 75.400 — Accumulation of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400
- **30 CFR 75.503 — Permissible electric face equipment; maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503

## Source coverage

- **Accident, Injuries, and Illnesses:** 7 rows; 2024-06-07 through 2026-06-02; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-04-22 through 2025-04-22; source ID `msha-addresses`
- **Assessed Violations:** 202 rows; 2006-01-23 through 2026-08-27; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2026-02-13 through 2026-02-13; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 2,183 rows; 2023-07-31 through 2026-10-07; source ID `msha-coal-dust-samples`
- **Conferences:** 9 rows; 2024-01-05 through 2026-05-20; source ID `msha-conferences`
- **Contested Violations:** 4 rows; 2025-08-13 through 2026-05-29; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 474 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 72 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2005-08-01 through 2022-08-30; source ID `msha-controller-operator-history`
- **Inspections:** 33 rows; 2005-12-21 through 2026-10-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 39 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 8 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 67 rows; 2023-09-06 through 2026-09-17; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 101 rows; 2023-09-06 through 2026-09-17; source ID `msha-quartz-samples`
- **Violations:** 213 rows; 2006-01-23 through 2026-09-23; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/rolling-thunder-mine-4609111`
- JSON: `/api/v1/mines/rolling-thunder-mine-4609111`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609111/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609111/relationships`
- MCP resource: `mine://4609111/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`