# Broad Run Mine

- **MSHA mine ID:** 4609136
- **Status:** Abandoned
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Mason, WV
- **Operator:** Big River Mining LLC
- **Controller:** Coal Field Transports, Inc.
- **Public source rows linked:** 8,401
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Coal Field Transports, Inc. (0139901) → Big River Mining LLC (0066403) → Broad Run Mine (4609136)**

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

## Controller and operator valid-time history

- **Randel L  Richmond → Big River Mining LLC:** 2005-12-06 through 2007-06-27; derived from co-tenure at mine 4609136; source `msha-controller-operator-history`.
- **Coal Field Transports, Inc. → Big River Mining LLC:** 2007-06-28 through current/open; derived from co-tenure at mine 4609136; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 5
- 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 73 historical accident/injury rows; 0 coded fatalities and 2,177 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 1,987 violation rows across the full record; 688 carry an S&S flag and $2,909,060 appears in current assessed amounts.
3. **HEALTH — 983 samples:** Occupational health samples 880 coal dust; 43 coal quartz; 60 noise. 0 personal-sample rows have a published C/E ratio above 1; 27 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 1,514 linked rows:** Contests, conferences and decisions 731 contested-violation rows, 730 civil-penalty docket/decision rows, and 53 conference records linked by issuance number.
6. **CONTRACTORS — 13 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 99 inspection events and 15K 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 77.404 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **30 CFR 49.17 — Physical requirements for mine rescue team.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-49/subpart-B/section-49.17
- **30 CFR 49.16 — Equipment and maintenance requirements.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-49/subpart-B/section-49.16
- **30 CFR 75.1403 — Other safeguards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403
- **30 CFR 75.1100-2 — Quantity and location of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-2
- **30 CFR 75.220 — Roof control plan.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.220
- **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:** 73 rows; 2006-06-09 through 2012-08-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-06-13 through 2013-06-13; source ID `msha-addresses`
- **Assessed Violations:** 1,957 rows; 2006-03-07 through 2013-01-14; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 730 rows; 2008-11-20 through 2014-01-07; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 880 rows; 2007-03-01 through 2013-03-13; source ID `msha-coal-dust-samples`
- **Conferences:** 53 rows; 2007-06-05 through 2009-06-05; source ID `msha-conferences`
- **Contested Violations:** 731 rows; 2006-12-13 through 2012-12-12; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,405 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 267 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2005-12-06 through 2005-12-06; source ID `msha-controller-operator-history`
- **Inspections:** 99 rows; 2006-01-06 through 2013-12-16; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 96 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 16 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 60 rows; 2007-12-06 through 2011-03-08; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 43 rows; 2007-09-17 through 2010-03-30; source ID `msha-quartz-samples`
- **Violations:** 1,987 rows; 2006-03-07 through 2013-01-14; 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/broad-run-mine-4609136`
- JSON: `/api/v1/mines/broad-run-mine-4609136`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609136/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609136/relationships`
- MCP resource: `mine://4609136/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`