# Mine #3

- **MSHA mine ID:** 1518329
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Letcher, KY
- **Operator:** Enterprise Mining Company, L. L. C.
- **Controller:** Alpha Natural Resources Holdings, Inc
- **Public source rows linked:** 966
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alpha Natural Resources Holdings, Inc (0127923) → Enterprise Mining Company, L. L. C. (0051027) → Mine #3 (1518329)**

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

## Controller and operator valid-time history

- **El Paso Energy Corp → Coastal Coal Company, LLC:** 2001-01-01 through 2001-03-19; derived from co-tenure at mine 1518329; source `msha-controller-operator-history`.
- **Allen G  Stump et al → Gentec Processing Inc:** 2001-03-20 through 2001-09-09; derived from co-tenure at mine 1518329; source `msha-controller-operator-history`.
- **El Paso Energy Corp → Coastal Coal Company, L.L.C.:** 2001-09-10 through 2003-01-31; derived from co-tenure at mine 1518329; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Enterprise Mining Company, L. L. C.:** 2003-02-01 through 2016-07-25; derived from co-tenure at mine 1518329; source `msha-controller-operator-history`.
- **Amfire LLC → Enterprise Mining Company, L. L. C.:** 2003-02-01 through 2003-01-31; derived from co-tenure at mine 1518329; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Enterprise Mining Company, L. L. C.:** 2016-07-26 through current/open; derived from co-tenure at mine 1518329; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 15
- Interval anomalies: 1
- 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 13 historical accident/injury rows; 0 coded fatalities and 282 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 119 violation rows across the full record; 42 carry an S&S flag and $16,368 appears in current assessed amounts.
3. **HEALTH — 255 samples:** Occupational health samples 226 coal dust; 14 coal quartz; 15 noise. 0 personal-sample rows have a published C/E ratio above 1; 5 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 632 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 24 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 24 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 — 0 since 2021:** Inspections 50 inspection events and 2K 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 75.503 — 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 77.1606 — Loading and haulage equipment; inspection and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 75.1702-1 — Smoking programs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1702-1
- **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 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 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 77.1103 — Flammable liquids; storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103
- **30 CFR 75.1101-8 — Water sprinkler systems; arrangement of sprinklers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1101-8
- **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 75.515 — Cable fittings; suitability.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.515
- **30 CFR 77.215-2 — Refuse piles; reporting requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.215-2

## Source coverage

- **Accident, Injuries, and Illnesses:** 13 rows; 2001-05-25 through 2004-01-19; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2005-03-30 through 2005-03-30; source ID `msha-addresses`
- **Assessed Violations:** 118 rows; 2001-02-06 through 2004-04-26; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 226 rows; 2001-06-12 through 2004-06-14; source ID `msha-coal-dust-samples`
- **Conferences:** 24 rows; 2001-07-12 through 2003-10-30; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 281 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 56 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 2001-01-01 through 2003-02-01; source ID `msha-controller-operator-history`
- **Inspections:** 50 rows; 2001-02-06 through 2004-07-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 33 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 9 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 15 rows; 2002-08-14 through 2004-03-02; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 14 rows; 2001-07-17 through 2004-06-02; source ID `msha-quartz-samples`
- **Violations:** 119 rows; 2001-02-06 through 2004-04-26; 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-3-1518329`
- JSON: `/api/v1/mines/mine-3-1518329`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518329/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518329/relationships`
- MCP resource: `mine://1518329/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`