# Pollock Knob Surface Mine

- **MSHA mine ID:** 4609490
- **Status:** Active
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Greenbrier, WV
- **Operator:** Greenbrier Smokeless Coal Mining LLC
- **Controller:** Haghler LLC
- **Public source rows linked:** 369
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Haghler LLC (0190221) → Greenbrier Smokeless Coal Mining LLC (0200533) → Pollock Knob Surface Mine (4609490)**

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

## Controller and operator valid-time history

- **Coronado Coal LLC → Greenbrier Minerals, LLC:** 2014-09-19 through 2025-01-20; derived from co-tenure at mine 4609490; source `msha-controller-operator-history`.
- **Haghler LLC → Greenbrier Smokeless Coal Mining LLC:** 2025-01-21 through current/open; derived from co-tenure at mine 4609490; 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 10 since 2021:** Violations and penalties 15 violation rows across the full record; 0 carry an S&S flag and $1,349 appears in current assessed amounts.
3. **HEALTH — 201 samples:** Occupational health samples 155 coal dust; 9 coal quartz; 37 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 — 8K tons:** Quarterly production and employment 13K employee hours and 22 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 2 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 — 14 since 2021:** Inspections 34 inspection events and 1K 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 71.209 — Status change reports.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-C/section-71.209
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.207 — Illumination.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.207
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **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 71.402 — Minimum requirements for bathing facilities, change rooms, and sanitary flush toilet facilities.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-E/section-71.402
- **30 CFR 72.100 — Periodic examinations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-B/section-72.100

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2015-12-22 through 2015-12-22; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-04-24 through 2025-04-24; source ID `msha-addresses`
- **Assessed Violations:** 10 rows; 2016-04-19 through 2026-03-11; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2026-08-11 through 2026-08-11; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 155 rows; 2015-01-06 through 2026-09-14; source ID `msha-coal-dust-samples`
- **Contested Violations:** 1 rows; 2026-03-11 through 2026-03-11; source ID `msha-contested-violations`
- **Controller and Operator History:** 2 rows; 2014-09-19 through 2025-01-21; source ID `msha-controller-operator-history`
- **Inspections:** 34 rows; 2014-12-10 through 2026-06-10; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 89 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 13 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 37 rows; 2014-12-16 through 2026-03-11; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 9 rows; 2015-03-25 through 2026-03-11; source ID `msha-quartz-samples`
- **Violations:** 15 rows; 2016-04-19 through 2026-09-03; 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/pollock-knob-surface-mine-4609490`
- JSON: `/api/v1/mines/pollock-knob-surface-mine-4609490`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609490/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609490/relationships`
- MCP resource: `mine://4609490/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`