# MOUNTAINEER POCAHONTAS NO 1 MINE

- **MSHA mine ID:** 4609172
- **Status:** Active
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Greenbrier, WV
- **Operator:** Greenbrier Smokeless Coal Mining LLC
- **Controller:** Haghler LLC
- **Public source rows linked:** 13,403
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-18T09:31:49.615Z

## Current entity hierarchy

**Haghler LLC (0190221) → Greenbrier Smokeless Coal Mining LLC (0200533) → MOUNTAINEER POCAHONTAS NO 1 MINE (4609172)**

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

## Controller and operator valid-time history

- **Joseph C  Turley III et al → Greenbrier Smokeless Coal Mining LLC:** 2006-06-21 through 2007-01-31; derived from co-tenure at mine 4609172; source `msha-controller-operator-history`.
- **John B  Preece → West Virginia Mine Power, Inc.:** 2007-02-01 through 2013-07-31; derived from co-tenure at mine 4609172; source `msha-controller-operator-history`.
- **Coronado Coal LLC → Greenbrier Minerals LLC:** 2013-08-01 through 2025-01-20; derived from co-tenure at mine 4609172; source `msha-controller-operator-history`.
- **Haghler LLC → Greenbrier Smokeless Coal Mining LLC:** 2025-01-21 through current/open; derived from co-tenure at mine 4609172; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 12
- 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: 2026-10-18T09:31:49.615908+00:00.

## Assessment signals

1. **SAFETY — 8 since 2021:** Accidents and injuries 151 historical accident/injury rows; 0 coded fatalities and 4,596 lost days across the published record.
2. **COMPLIANCE — 131 since 2021:** Violations and penalties 2,013 violation rows across the full record; 395 carry an S&S flag and $1,238,790 appears in current assessed amounts.
3. **HEALTH — 5K samples:** Occupational health samples 4,523 coal dust; 161 coal quartz; 257 noise. 0 personal-sample rows have a published C/E ratio above 1; 80 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 — 9K tons:** Quarterly production and employment 57K employee hours and 53 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 1,810 linked rows:** Contests, conferences and decisions 892 contested-violation rows, 892 civil-penalty docket/decision rows, and 26 conference records linked by issuance number.
6. **CONTRACTORS — 6 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 — 32 since 2021:** Inspections 170 inspection events and 30K published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **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 75.202 — Protection from falls of roof, face and ribs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **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 75.360 — Preshift examination at fixed intervals.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.360
- **30 CFR 75.1100-3 — Condition and examination of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-3
- **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.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **30 CFR 77.205 — Travelways at surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 151 rows; 2007-08-04 through 2026-08-13; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-02-23 through 2026-02-23; source ID `msha-addresses`
- **Assessed Violations:** 1,964 rows; 2007-04-25 through 2026-09-03; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 892 rows; 2008-08-08 through 2026-08-11; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 4,523 rows; 2008-01-14 through 2026-10-15; source ID `msha-coal-dust-samples`
- **Conferences:** 26 rows; 2007-05-16 through 2020-03-03; source ID `msha-conferences`
- **Contested Violations:** 892 rows; 2007-04-25 through 2026-04-30; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,730 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 352 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2006-06-21 through 2025-01-21; source ID `msha-controller-operator-history`
- **Inspections:** 170 rows; 2007-01-24 through 2026-10-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 221 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 45 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 257 rows; 2008-10-21 through 2026-09-15; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 161 rows; 2008-10-22 through 2026-09-15; source ID `msha-quartz-samples`
- **Violations:** 2,013 rows; 2007-04-25 through 2026-10-13; 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/mountaineer-pocahontas-no-1-mine-4609172`
- JSON: `/api/v1/mines/mountaineer-pocahontas-no-1-mine-4609172`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609172/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609172/relationships`
- MCP resource: `mine://4609172/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
