# Cedar Grove Mine No 3

- **MSHA mine ID:** 4609611
- **Status:** Active
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Logan, WV
- **Operator:** Aracoma Coal Company LLC
- **Controller:** Alpha Metallurgical Resources Inc
- **Public source rows linked:** 4,469
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alpha Metallurgical Resources Inc (0127321) → Aracoma Coal Company LLC (P21118) → Cedar Grove Mine No 3 (4609611)**

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

## Controller and operator valid-time history

- **Alpha Metallurgical Resources Inc → Alpha Metallurgical Resources:** 2021-08-16 through 2021-09-29; derived from co-tenure at mine 4609611; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Aracoma Coal Company LLC:** 2021-09-30 through 2016-07-25; derived from co-tenure at mine 4609611; source `msha-controller-operator-history`.
- **Alpha Metallurgical Resources Inc → Aracoma Coal Company LLC:** 2021-09-30 through current/open; derived from co-tenure at mine 4609611; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Aracoma Coal Company LLC:** 2021-09-30 through 2018-11-08; derived from co-tenure at mine 4609611; source `msha-controller-operator-history`.
- **Massey Energy Company → Aracoma Coal Company LLC:** 2021-09-30 through 2011-05-31; derived from co-tenure at mine 4609611; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 12
- 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 — 7 since 2021:** Accidents and injuries 7 historical accident/injury rows; 0 coded fatalities and 422 lost days across the published record.
2. **COMPLIANCE — 398 since 2021:** Violations and penalties 398 violation rows across the full record; 96 carry an S&S flag and $149,110 appears in current assessed amounts.
3. **HEALTH — 2K samples:** Occupational health samples 2,141 coal dust; 99 coal quartz; 81 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 — 142K tons:** Quarterly production and employment 42K employee hours and 71 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 28 linked rows:** Contests, conferences and decisions 7 contested-violation rows, 7 civil-penalty docket/decision rows, and 14 conference records linked by issuance number.
6. **CONTRACTORS — 7 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 — 32 since 2021:** Inspections 32 inspection events and 3K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 567,734 short tons
- **Labor hours:** 178,671
- **Average employees:** 77
- **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 75.503 — Permissible electric face equipment; maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **30 CFR 75.517 — Power wires and cables; insulation and protection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.517
- **30 CFR 72.630 — Drill dust control at underground areas of underground mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-E/section-72.630
- **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 75.604 — Permanent splicing of trailing cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.604
- **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
- **30 CFR 75.512 — Electric equipment; examination, testing and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512
- **30 CFR 75.1722 — Mechanical equipment guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1722
- **30 CFR 75.1100-3 — Condition and examination of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-3

## Source coverage

- **Accident, Injuries, and Illnesses:** 7 rows; 2023-05-23 through 2025-10-06; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2022-09-28 through 2022-09-28; source ID `msha-addresses`
- **Assessed Violations:** 344 rows; 2022-09-08 through 2026-09-02; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 7 rows; 2023-10-18 through 2026-08-21; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 2,141 rows; 2022-10-24 through 2026-10-08; source ID `msha-coal-dust-samples`
- **Conferences:** 14 rows; 2023-04-04 through 2026-09-16; source ID `msha-conferences`
- **Contested Violations:** 7 rows; 2023-02-13 through 2026-04-28; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,114 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 178 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 2021-08-16 through 2021-09-30; source ID `msha-controller-operator-history`
- **Inspections:** 32 rows; 2022-09-08 through 2026-10-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 30 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 10 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 81 rows; 2022-11-29 through 2026-09-09; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 99 rows; 2022-10-25 through 2026-08-06; source ID `msha-quartz-samples`
- **Violations:** 398 rows; 2022-09-08 through 2026-10-08; 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/cedar-grove-mine-no-3-4609611`
- JSON: `/api/v1/mines/cedar-grove-mine-no-3-4609611`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609611/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609611/relationships`
- MCP resource: `mine://4609611/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`