# Gibraltar Highwall

- **MSHA mine ID:** 1517495
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Muhlenberg, KY
- **Operator:** Peabody Coal Company
- **Controller:** Patriot Coal Corporation
- **Public source rows linked:** 1,055
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Patriot Coal Corporation (0071611) → Peabody Coal Company (P24180) → Gibraltar Highwall (1517495)**

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

## Controller and operator valid-time history

- **Hanson PLC → Peabody Coal Company:** 1993-12-01 through 1998-05-18; derived from co-tenure at mine 1517495; source `msha-controller-operator-history`.
- **Peabody Energy Corporation → Peabody Coal Company:** 1998-05-19 through 2007-10-30; derived from co-tenure at mine 1517495; source `msha-controller-operator-history`.
- **Patriot Coal Corporation → Peabody Coal Company:** 2007-10-31 through current/open; derived from co-tenure at mine 1517495; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 8
- 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 40 historical accident/injury rows; 0 coded fatalities and 150 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 289 violation rows across the full record; 48 carry an S&S flag and $20,579 appears in current assessed amounts.
3. **HEALTH — 251 samples:** Occupational health samples 205 coal dust; 14 coal quartz; 32 noise. 0 personal-sample rows have a published C/E ratio above 1; 7 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 2K employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 37 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 9 civil-penalty docket/decision rows, and 28 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 70 inspection events and 4K 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 77.1606 — Loading and haulage equipment; inspection and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (2 retained recent rows) — 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.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 75.1725 — Machinery and equipment; operation and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1725
- **30 CFR 75.400 — Accumulation of combustible materials.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400
- **30 CFR 75.220 — Roof control plan.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.220
- **30 CFR 75.517 — Power wires and cables; insulation and protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.517
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 40 rows; 2000-10-07 through 2002-06-12; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2003-02-03 through 2003-02-03; source ID `msha-addresses`
- **Assessed Violations:** 275 rows; 2000-09-13 through 2002-08-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 9 rows; 2003-01-13 through 2003-07-23; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 205 rows; 2000-09-26 through 2002-06-20; source ID `msha-coal-dust-samples`
- **Conferences:** 28 rows; 2000-10-30 through 2002-09-10; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 42 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 20 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1993-12-01 through 1998-05-19; source ID `msha-controller-operator-history`
- **Inspections:** 70 rows; 2000-03-28 through 2003-01-17; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 20 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 6 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 32 rows; 2001-05-24 through 2001-11-08; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 14 rows; 2000-11-15 through 2002-03-12; source ID `msha-quartz-samples`
- **Violations:** 289 rows; 2000-09-13 through 2002-08-16; 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/gibraltar-highwall-1517495`
- JSON: `/api/v1/mines/gibraltar-highwall-1517495`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1517495/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1517495/relationships`
- MCP resource: `mine://1517495/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`