# Laurel Coalburg Tunnel Mine

- **MSHA mine ID:** 4609148
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Fayette, WV
- **Operator:** Mammoth Coal Co
- **Controller:** Alpha Metallurgical Resources Inc
- **Public source rows linked:** 3,344
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Alpha Metallurgical Resources Inc (0127321) → Mammoth Coal Co (P23835) → Laurel Coalburg Tunnel Mine (4609148)**

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

## Controller and operator valid-time history

- **Massey Energy Company → Kanawha Energy Company:** 2006-02-24 through 2007-10-07; derived from co-tenure at mine 4609148; source `msha-controller-operator-history`.
- **Massey Energy Company → Mammoth Coal Co:** 2007-10-08 through 2011-05-31; derived from co-tenure at mine 4609148; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Mammoth Coal Co:** 2011-06-01 through 2016-07-25; derived from co-tenure at mine 4609148; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Mammoth Coal Co:** 2016-07-26 through 2018-11-08; derived from co-tenure at mine 4609148; source `msha-controller-operator-history`.
- **Alpha Metallurgical Resources Inc → Mammoth Coal Co:** 2018-11-09 through current/open; derived from co-tenure at mine 4609148; source `msha-controller-operator-history`.

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

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 47 historical accident/injury rows; 0 coded fatalities and 214 lost days across the published record.
2. **COMPLIANCE — 12 since 2021:** Violations and penalties 769 violation rows across the full record; 160 carry an S&S flag and $484,659 appears in current assessed amounts.
3. **HEALTH — 709 samples:** Occupational health samples 625 coal dust; 44 coal quartz; 40 noise. 0 personal-sample rows have a published C/E ratio above 1; 10 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 255 linked rows:** Contests, conferences and decisions 120 contested-violation rows, 120 civil-penalty docket/decision rows, and 15 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 — 17 since 2021:** Inspections 97 inspection events and 8K 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 75.400 — Accumulation of combustible materials.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400
- **30 CFR 75.1731 — Maintenance of belt conveyors and belt conveyor entries.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1731
- **30 CFR 75.1101-10 — Water sprinkler systems; fire warning devices at belt drives.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1101-10
- **30 CFR 75.904 — Identification of circuit breakers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-J/section-75.904
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 47 rows; 2008-02-28 through 2018-10-01; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-04-24 through 2024-04-24; source ID `msha-addresses`
- **Assessed Violations:** 741 rows; 2007-11-20 through 2022-11-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 120 rows; 2011-04-19 through 2016-10-27; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 625 rows; 2008-01-28 through 2023-07-26; source ID `msha-coal-dust-samples`
- **Conferences:** 15 rows; 2010-11-29 through 2016-12-22; source ID `msha-conferences`
- **Contested Violations:** 120 rows; 2008-12-05 through 2014-07-18; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 535 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 140 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 2006-02-24 through 2007-10-08; source ID `msha-controller-operator-history`
- **Inspections:** 97 rows; 2007-11-13 through 2024-04-01; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 44 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 40 rows; 2008-09-05 through 2021-03-08; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 44 rows; 2008-03-10 through 2023-06-14; source ID `msha-quartz-samples`
- **Violations:** 769 rows; 2007-11-20 through 2022-11-30; 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/laurel-coalburg-tunnel-mine-4609148`
- JSON: `/api/v1/mines/laurel-coalburg-tunnel-mine-4609148`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609148/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609148/relationships`
- MCP resource: `mine://4609148/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`