# Black Thunder Mine No. 2

- **MSHA mine ID:** 1517955
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Letcher, KY
- **Operator:** Coastal Coal Company, LLC
- **Controller:** El Paso Energy Corp
- **Public source rows linked:** 262
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**El Paso Energy Corp (C01883) → Coastal Coal Company, LLC (P24015) → Black Thunder Mine No. 2 (1517955)**

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

## Controller and operator valid-time history

- **Charles E  Yates → Adena Fuels Inc:** 1997-07-01 through 1998-12-10; derived from co-tenure at mine 1517955; source `msha-controller-operator-history`.
- **El Paso Energy Corp → Coastal Coal Company, LLC:** 1998-12-11 through current/open; derived from co-tenure at mine 1517955; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 5 historical accident/injury rows; 0 coded fatalities and 12 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 39 violation rows across the full record; 25 carry an S&S flag and $3,136 appears in current assessed amounts.
3. **HEALTH — 96 samples:** Occupational health samples 80 coal dust; 11 coal quartz; 5 noise. 0 personal-sample rows have a published C/E ratio above 1; 1 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 — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 15 inspection events and 376 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 75.403 — Maintenance of incombustible content of rock dust.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.403
- **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 70.100 — Respirable dust standards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-70/subpart-B/section-70.100
- **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 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 77.410 — Mobile equipment; automatic warning devices.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 77.1109 — Quantity and location of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109
- **30 CFR 75.1722 — Mechanical equipment guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1722
- **30 CFR 75.503 — Permissible electric face equipment; maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2000-01-10 through 2000-06-26; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2005-03-30 through 2005-03-30; source ID `msha-addresses`
- **Assessed Violations:** 39 rows; 2000-01-04 through 2000-08-28; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 80 rows; 2000-01-17 through 2000-08-22; source ID `msha-coal-dust-samples`
- **Contractor Employment and Production — Quarterly:** 48 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 7 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1997-07-01 through 1998-12-11; source ID `msha-controller-operator-history`
- **Inspections:** 15 rows; 2000-01-03 through 2000-10-13; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 7 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 2 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 5 rows; 2000-01-25 through 2000-01-25; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 11 rows; 2000-01-17 through 2000-08-22; source ID `msha-quartz-samples`
- **Violations:** 39 rows; 2000-01-04 through 2000-08-28; 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/black-thunder-mine-no-2-1517955`
- JSON: `/api/v1/mines/black-thunder-mine-no-2-1517955`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1517955/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1517955/relationships`
- MCP resource: `mine://1517955/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`