# Davy Branch Mine

- **MSHA mine ID:** 4609574
- **Status:** Active
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Logan, WV
- **Operator:** Aracoma Coal Company
- **Controller:** Alpha Metallurgical Resources Inc
- **Public source rows linked:** 9,503
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alpha Metallurgical Resources Inc (0127321) → Aracoma Coal Company (P21118) → Davy Branch Mine (4609574)**

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

## Controller and operator valid-time history

- **Alpha Natural Resources, Inc. → Aracoma Coal Company:** 2019-08-19 through 2016-07-25; derived from co-tenure at mine 4609574; source `msha-controller-operator-history`.
- **Alpha Metallurgical Resources Inc → Aracoma Coal Company:** 2019-08-19 through current/open; derived from co-tenure at mine 4609574; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Aracoma Coal Company:** 2019-08-19 through 2018-11-08; derived from co-tenure at mine 4609574; source `msha-controller-operator-history`.
- **Massey Energy Company → Aracoma Coal Company:** 2019-08-19 through 2011-05-31; derived from co-tenure at mine 4609574; 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 — 27 since 2021:** Accidents and injuries 27 historical accident/injury rows; 1 coded fatalities and 564 lost days across the published record.
2. **COMPLIANCE — 730 since 2021:** Violations and penalties 769 violation rows across the full record; 134 carry an S&S flag and $380,748 appears in current assessed amounts.
3. **HEALTH — 7K samples:** Occupational health samples 6,086 coal dust; 290 coal quartz; 147 noise. 0 personal-sample rows have a published C/E ratio above 1; 14 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 — 164K tons:** Quarterly production and employment 72K employee hours and 116 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 90 linked rows:** Contests, conferences and decisions 34 contested-violation rows, 34 civil-penalty docket/decision rows, and 22 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 — 54 since 2021:** Inspections 62 inspection events and 7K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 804,301 short tons
- **Labor hours:** 296,391
- **Average employees:** 119
- **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 75.601 — Short circuit protection of trailing cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.601
- **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 75.503 — Permissible electric face equipment; maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **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 75.1103-4 — Automatic fire sensor and warning device systems; installation; minimum requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1103-4
- **30 CFR 75.1002 — Installation of electric equipment and conductors; permissibility.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-K/section-75.1002
- **30 CFR 75.512 — Electric equipment; examination, testing and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **30 CFR 75.380 — Escapeways; bituminous and lignite mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.380
- **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
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 27 rows; 2021-01-22 through 2026-09-17; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-09-14 through 2020-09-14; source ID `msha-addresses`
- **Assessed Violations:** 731 rows; 2020-03-20 through 2026-08-31; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 34 rows; 2021-06-10 through 2026-06-22; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 6,086 rows; 2020-08-18 through 2026-10-08; source ID `msha-coal-dust-samples`
- **Conferences:** 22 rows; 2020-05-01 through 2026-08-20; source ID `msha-conferences`
- **Contested Violations:** 34 rows; 2020-09-17 through 2026-02-09; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 974 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 247 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2019-08-19 through 2019-08-19; source ID `msha-controller-operator-history`
- **Inspections:** 62 rows; 2020-03-18 through 2026-10-02; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 60 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 14 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 147 rows; 2020-09-22 through 2026-05-27; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 290 rows; 2020-09-22 through 2026-09-22; source ID `msha-quartz-samples`
- **Violations:** 769 rows; 2020-03-20 through 2026-10-07; 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/davy-branch-mine-4609574`
- JSON: `/api/v1/mines/davy-branch-mine-4609574`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609574/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609574/relationships`
- MCP resource: `mine://4609574/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
