# Mine No 4A East

- **MSHA mine ID:** 4607125
- **Status:** Abandoned
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Webster, WV
- **Operator:** Brooks Run Mining Company LLC
- **Controller:** Pristine Clean Energy LLC
- **Public source rows linked:** 1,357
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Pristine Clean Energy LLC (0137121) → Brooks Run Mining Company LLC (0051081) → Mine No 4A East (4607125)**

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

## Controller and operator valid-time history

- **Thomas G  Toler → D & K Coal Company Inc:** 1986-05-01 through 2001-08-22; derived from co-tenure at mine 4607125; source `msha-controller-operator-history`.
- **El Paso Energy Corp → Coastal Coal-West Virginia, LLC:** 2001-08-23 through 2003-01-31; derived from co-tenure at mine 4607125; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Brooks Run Mining Company LLC:** 2003-02-01 through 2016-07-25; derived from co-tenure at mine 4607125; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Brooks Run Mining Company LLC:** 2016-07-26 through 2017-10-04; derived from co-tenure at mine 4607125; source `msha-controller-operator-history`.
- **Pristine Clean Energy LLC → Brooks Run Mining Company LLC:** 2017-10-05 through current/open; derived from co-tenure at mine 4607125; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 13
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 33 historical accident/injury rows; 0 coded fatalities and 1,279 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 179 violation rows across the full record; 62 carry an S&S flag and $22,940 appears in current assessed amounts.
3. **HEALTH — 426 samples:** Occupational health samples 366 coal dust; 44 coal quartz; 16 noise. 0 personal-sample rows have a published C/E ratio above 1; 6 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 — 155K tons:** Quarterly production and employment 33K employee hours and 58 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 4 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 — 0 since 2021:** Inspections 60 inspection events and 3K 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 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 77.1605 — Loading and haulage equipment; installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **30 CFR 75.507-1 — Electric equipment other than power-connection points; outby the last open crosscut; return air; permissibility requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.507-1
- **30 CFR 75.523-3 — Automatic emergency-parking brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.523-3
- **30 CFR 75.1712-4 — Waiver of surface facilities requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1712-4
- **30 CFR 75.312 — Main mine fan examinations and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.312
- **30 CFR 75.1200 — Mine map.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1200
- **30 CFR 75.388 — Boreholes in advance of mining.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.388

## Source coverage

- **Accident, Injuries, and Illnesses:** 33 rows; 2000-04-26 through 2005-05-06; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2005-09-06 through 2005-09-06; source ID `msha-addresses`
- **Assessed Violations:** 178 rows; 2000-01-24 through 2005-03-08; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 366 rows; 2000-01-04 through 2002-12-10; source ID `msha-coal-dust-samples`
- **Conferences:** 4 rows; 2002-08-21 through 2002-12-11; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 374 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 47 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1986-05-01 through 2003-02-01; source ID `msha-controller-operator-history`
- **Inspections:** 60 rows; 2000-01-24 through 2005-08-19; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 35 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 14 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 16 rows; 2000-02-07 through 2001-05-23; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 44 rows; 2000-02-14 through 2002-11-19; source ID `msha-quartz-samples`
- **Violations:** 179 rows; 2000-01-24 through 2005-03-08; 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/mine-no-4a-east-4607125`
- JSON: `/api/v1/mines/mine-no-4a-east-4607125`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4607125/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4607125/relationships`
- MCP resource: `mine://4607125/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`