# Hernshaw 14A Mine

- **MSHA mine ID:** 4608945
- **Status:** Abandoned
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Boone, WV
- **Operator:** Eastern Associated Coal LLC
- **Controller:** Patriot Coal Corporation
- **Public source rows linked:** 968
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Patriot Coal Corporation (0071611) → Eastern Associated Coal LLC (P24184) → Hernshaw 14A Mine (4608945)**

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

## Controller and operator valid-time history

- **Triminco Inc et al → Coemont Construction Inc:** 2002-01-14 through 2003-09-15; derived from co-tenure at mine 4608945; source `msha-controller-operator-history`.
- **August  Eltz III et al → Coemont Construction Inc:** 2002-01-14 through 2003-09-15; derived from co-tenure at mine 4608945; source `msha-controller-operator-history`.
- **Peabody Energy Corporation → Eastern Associated Coal Corp:** 2003-09-16 through 2004-07-27; derived from co-tenure at mine 4608945; source `msha-controller-operator-history`.
- **Mark  Calloway → J & M Resources, Inc.:** 2004-07-28 through 2006-07-16; derived from co-tenure at mine 4608945; source `msha-controller-operator-history`.
- **Peabody Energy Corporation → Eastern Associated Coal LLC:** 2006-07-17 through 2007-10-30; derived from co-tenure at mine 4608945; source `msha-controller-operator-history`.
- **Patriot Coal Corporation → Eastern Associated Coal Corp:** 2007-10-31 through 2004-07-27; derived from co-tenure at mine 4608945; source `msha-controller-operator-history`.
- **Patriot Coal Corporation → Eastern Associated Coal LLC:** 2007-10-31 through current/open; derived from co-tenure at mine 4608945; source `msha-controller-operator-history`.

- History rows: 7
- 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 5 historical accident/injury rows; 0 coded fatalities and 500 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 257 violation rows across the full record; 97 carry an S&S flag and $32,172 appears in current assessed amounts.
3. **HEALTH — 310 samples:** Occupational health samples 281 coal dust; 22 coal quartz; 7 noise. 0 personal-sample rows have a published C/E ratio above 1; 0 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 — 4 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 4 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 43 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 75.1403-6 — Criteria—Self-propelled personnel carriers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403-6
- **30 CFR 77.516 — Electric wiring and equipment; installation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.516
- **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 75.333 — Ventilation controls.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333
- **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 75.1107-16 — Inspection of fire suppression devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1107-16
- **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 75.202 — Protection from falls of roof, face and ribs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **30 CFR 75.403 — Maintenance of incombustible content of rock dust.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.403
- **30 CFR 75.1403-5 — Criteria—Belt conveyors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403-5

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2004-10-19 through 2005-12-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2008-05-01 through 2008-05-01; source ID `msha-addresses`
- **Assessed Violations:** 245 rows; 2002-03-11 through 2007-09-14; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 281 rows; 2002-03-11 through 2006-06-12; source ID `msha-coal-dust-samples`
- **Conferences:** 4 rows; 2002-10-23 through 2006-08-23; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 35 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 9 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 2002-01-14 through 2006-07-17; source ID `msha-controller-operator-history`
- **Inspections:** 43 rows; 2002-01-28 through 2007-07-02; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 43 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:** 7 rows; 2005-08-02 through 2005-08-09; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 22 rows; 2002-08-07 through 2005-11-30; source ID `msha-quartz-samples`
- **Violations:** 257 rows; 2002-03-11 through 2007-09-17; 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/hernshaw-14a-mine-4608945`
- JSON: `/api/v1/mines/hernshaw-14a-mine-4608945`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4608945/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4608945/relationships`
- MCP resource: `mine://4608945/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`