# CHECKMATE POWELLTON

- **MSHA mine ID:** 4609640
- **Status:** NonProducing
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Boone, WV
- **Operator:** Elk Run Coal Company, LLC
- **Controller:** Alpha Metallurgical Resources Inc
- **Public source rows linked:** 1,450
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alpha Metallurgical Resources Inc (0127321) → Elk Run Coal Company, LLC (P11051) → CHECKMATE POWELLTON (4609640)**

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

## Controller and operator valid-time history

- **Alpha Natural Resources, Inc. → Elk Run Coal Company, LLC:** 2022-12-02 through 2016-07-25; derived from co-tenure at mine 4609640; source `msha-controller-operator-history`.
- **Alpha Metallurgical Resources Inc → Elk Run Coal Company, LLC:** 2022-12-02 through current/open; derived from co-tenure at mine 4609640; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Elk Run Coal Company, LLC:** 2022-12-02 through 2018-11-08; derived from co-tenure at mine 4609640; source `msha-controller-operator-history`.
- **Massey Energy Company → Elk Run Coal Company, LLC:** 2022-12-02 through 2011-05-31; derived from co-tenure at mine 4609640; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 9
- Interval anomalies: 3
- 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 — 11 since 2021:** Accidents and injuries 11 historical accident/injury rows; 0 coded fatalities and 398 lost days across the published record.
2. **COMPLIANCE — 165 since 2021:** Violations and penalties 165 violation rows across the full record; 38 carry an S&S flag and $57,020 appears in current assessed amounts.
3. **HEALTH — 790 samples:** Occupational health samples 713 coal dust; 27 coal quartz; 50 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 — 12 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 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 — 22 since 2021:** Inspections 22 inspection events and 2K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 179,885 short tons
- **Labor hours:** 187,803
- **Average employees:** 88
- **Coal supply region:** Appalachia Central
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 75.1725 — Machinery and equipment; operation and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1725
- **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 75.1403 — Other safeguards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403
- **30 CFR 77.205 — Travelways at surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **30 CFR 75.518-1 — Electric equipment and circuits; overload and short circuit protection; minimum requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.518-1
- **30 CFR 75.372 — Mine ventilation map.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.372
- **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 75.364 — Weekly examination.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 11 rows; 2023-12-19 through 2026-02-25; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-11-12 through 2024-11-12; source ID `msha-addresses`
- **Assessed Violations:** 162 rows; 2023-07-24 through 2026-08-18; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2024-12-05 through 2025-01-22; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 713 rows; 2023-08-14 through 2026-09-22; source ID `msha-coal-dust-samples`
- **Conferences:** 4 rows; 2023-10-25 through 2026-06-04; source ID `msha-conferences`
- **Contested Violations:** 4 rows; 2024-05-10 through 2024-07-24; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 197 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 51 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2022-12-02 through 2022-12-02; source ID `msha-controller-operator-history`
- **Inspections:** 22 rows; 2023-04-26 through 2026-10-03; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 26 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:** 50 rows; 2023-12-11 through 2024-11-21; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 27 rows; 2023-12-11 through 2024-10-21; source ID `msha-quartz-samples`
- **Violations:** 165 rows; 2023-07-24 through 2026-08-18; 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/checkmate-powellton-4609640`
- JSON: `/api/v1/mines/checkmate-powellton-4609640`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609640/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609640/relationships`
- MCP resource: `mine://4609640/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`