# Jackson Bridge 1

- **MSHA mine ID:** 4609353
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Webster, WV
- **Operator:** Brooks Run Mining Company LLC
- **Controller:** Pristine Clean Energy LLC
- **Public source rows linked:** 1,156
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Pristine Clean Energy LLC (0137121) → Brooks Run Mining Company LLC (0051081) → Jackson Bridge 1 (4609353)**

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

## Controller and operator valid-time history

- **Alpha Natural Resources, Inc. → Brooks Run Mining Company LLC:** 2009-09-23 through 2016-07-25; derived from co-tenure at mine 4609353; 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 4609353; 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 4609353; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 7
- 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 — 0 since 2021:** Accidents and injuries 19 historical accident/injury rows; 0 coded fatalities and 814 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 128 violation rows across the full record; 37 carry an S&S flag and $51,177 appears in current assessed amounts.
3. **HEALTH — 585 samples:** Occupational health samples 500 coal dust; 30 coal quartz; 55 noise. 0 personal-sample rows have a published C/E ratio above 1; 7 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 — 0 tons:** Quarterly production and employment 168 employee hours and 4 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 10 linked rows:** Contests, conferences and decisions 5 contested-violation rows, 5 civil-penalty docket/decision rows, and 0 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 44 inspection events and 4K 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 75.1725 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1725
- **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 75.518-1 — Electric equipment and circuits; overload and short circuit protection; minimum requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.518-1
- **30 CFR 75.900-4 — Testing, examination, and maintenance of circuit breakers; record.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-J/section-75.900-4
- **30 CFR 75.517 — Power wires and cables; insulation and protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.517
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **30 CFR 75.364 — Weekly examination.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364
- **30 CFR 75.507 — Power connection points.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.507
- **30 CFR 72.630 — Drill dust control at underground areas of underground mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-E/section-72.630
- **30 CFR 75.1719-4 — Mining machines, cap lamps; requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1719-4
- **30 CFR 75.380 — Escapeways; bituminous and lignite mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.380

## Source coverage

- **Accident, Injuries, and Illnesses:** 19 rows; 2012-12-13 through 2016-06-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2019-10-16 through 2019-10-16; source ID `msha-addresses`
- **Assessed Violations:** 127 rows; 2012-06-12 through 2016-02-23; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2013-11-13 through 2016-01-05; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 500 rows; 2006-03-05 through 2016-02-16; source ID `msha-coal-dust-samples`
- **Contested Violations:** 5 rows; 2013-02-22 through 2014-09-15; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 102 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 30 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 2009-09-23 through 2009-09-23; source ID `msha-controller-operator-history`
- **Inspections:** 44 rows; 2009-12-29 through 2019-08-12; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 92 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:** 55 rows; 2013-04-17 through 2015-12-15; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 30 rows; 2013-04-18 through 2016-02-16; source ID `msha-quartz-samples`
- **Violations:** 128 rows; 2012-06-12 through 2016-02-23; 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/jackson-bridge-1-4609353`
- JSON: `/api/v1/mines/jackson-bridge-1-4609353`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609353/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609353/relationships`
- MCP resource: `mine://4609353/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`