# Trace Fork

- **MSHA mine ID:** 1518222
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Knott, KY
- **Operator:** Enterprise Mining Company LLC
- **Controller:** Alpha Natural Resources Holdings, Inc
- **Public source rows linked:** 4,040
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alpha Natural Resources Holdings, Inc (0127923) → Enterprise Mining Company LLC (0051027) → Trace Fork (1518222)**

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

## Controller and operator valid-time history

- **Florida Progress Corporation → Diamond May Mining Company:** 1999-11-01 through 2000-05-10; derived from co-tenure at mine 1518222; source `msha-controller-operator-history`.
- **Carl  Kirk et al → Marshall Mining Inc:** 2000-05-11 through 2001-02-04; derived from co-tenure at mine 1518222; source `msha-controller-operator-history`.
- **Progress Energy Inc → Kentucky May Mining:** 2001-02-05 through 2003-11-13; derived from co-tenure at mine 1518222; source `msha-controller-operator-history`.
- **Progress Energy Inc → Diamond May Coal Co Inc:** 2003-11-14 through 2006-05-04; derived from co-tenure at mine 1518222; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Enterprise Mining Company LLC:** 2006-05-05 through 2016-07-25; derived from co-tenure at mine 1518222; source `msha-controller-operator-history`.
- **Amfire LLC → Enterprise Mining Company LLC:** 2006-05-05 through 2003-01-31; derived from co-tenure at mine 1518222; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Enterprise Mining Company LLC:** 2016-07-26 through current/open; derived from co-tenure at mine 1518222; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 19
- 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 57 historical accident/injury rows; 0 coded fatalities and 527 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 610 violation rows across the full record; 178 carry an S&S flag and $72,851 appears in current assessed amounts.
3. **HEALTH — 1K samples:** Occupational health samples 1,053 coal dust; 101 coal quartz; 86 noise. 0 personal-sample rows have a published C/E ratio above 1; 4 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 885 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 28 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 26 conference records linked by issuance number.
6. **CONTRACTORS — 17 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 86 inspection events and 5K 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 75.333 — Ventilation controls.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333
- **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 75.1715 — Identification check system.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1715
- **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 75.360 — Preshift examination at fixed intervals.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.360
- **30 CFR 75.508-2 — Changes in electric system map; recording.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.508-2
- **30 CFR 75.1103-5 — Automatic fire warning devices; actions and response.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1103-5
- **30 CFR 75.1103-1 — Automatic fire sensors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1103-1
- **30 CFR 75.1907 — Diesel-powered equipment intended for use in underground coal mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-T/section-75.1907
- **30 CFR 75.211 — Roof testing and scaling.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.211
- **30 CFR 75.400 — Accumulation of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400

## Source coverage

- **Accident, Injuries, and Illnesses:** 57 rows; 2001-10-02 through 2006-09-05; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2006-10-27 through 2006-10-27; source ID `msha-addresses`
- **Assessed Violations:** 592 rows; 2000-03-13 through 2006-08-24; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2006-08-17 through 2006-08-17; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 1,053 rows; 2000-07-17 through 2006-04-26; source ID `msha-coal-dust-samples`
- **Conferences:** 26 rows; 2000-11-08 through 2006-09-25; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2005-11-01 through 2005-11-01; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,072 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 261 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1999-11-01 through 2006-05-05; source ID `msha-controller-operator-history`
- **Inspections:** 86 rows; 2000-03-08 through 2006-10-27; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 77 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 8 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 86 rows; 2000-10-11 through 2006-04-12; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 101 rows; 2000-07-17 through 2006-04-12; source ID `msha-quartz-samples`
- **Violations:** 610 rows; 2000-03-13 through 2006-08-24; 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/trace-fork-1518222`
- JSON: `/api/v1/mines/trace-fork-1518222`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518222/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518222/relationships`
- MCP resource: `mine://1518222/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`