# Mine No 2

- **MSHA mine ID:** 4609207
- **Status:** Active
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Mcdowell, WV
- **Operator:** Harman Branch Mining Inc
- **Controller:** Hung  Q  Nguyen
- **Public source rows linked:** 4,451
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Hung  Q  Nguyen (0067993) → Harman Branch Mining Inc (0050384) → Mine No 2 (4609207)**

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

## Controller and operator valid-time history

- **Hung  Q  Nguyen → Harman Branch Mining Inc:** 2007-02-28 through current/open; derived from co-tenure at mine 4609207; source `msha-controller-operator-history`.
- **Daniel S  Jordan → Harman Branch Mining Inc:** 2007-02-28 through 2007-02-27; derived from co-tenure at mine 4609207; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 5
- Interval anomalies: 1
- 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 — 3 since 2021:** Accidents and injuries 9 historical accident/injury rows; 0 coded fatalities and 464 lost days across the published record.
2. **COMPLIANCE — 248 since 2021:** Violations and penalties 791 violation rows across the full record; 163 carry an S&S flag and $253,111 appears in current assessed amounts.
3. **HEALTH — 2K samples:** Occupational health samples 1,302 coal dust; 71 coal quartz; 130 noise. 0 personal-sample rows have a published C/E ratio above 1; 3 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 — 20K tons:** Quarterly production and employment 7K employee hours and 14 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 944 linked rows:** Contests, conferences and decisions 470 contested-violation rows, 470 civil-penalty docket/decision rows, and 4 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 — 32 since 2021:** Inspections 117 inspection events and 6K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 121,926 short tons
- **Labor hours:** 44,378
- **Average employees:** 21
- **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 75.370 — Mine ventilation plan; submission and approval.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **30 CFR 75.333 — Ventilation controls.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333
- **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 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 75.1731 — Maintenance of belt conveyors and belt conveyor entries.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1731
- **30 CFR 75.1103-8 — Automatic fire sensor and warning device systems; examination and test requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1103-8
- **30 CFR 75.516 — Power wires; support.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.516
- **30 CFR 75.604 — Permanent splicing of trailing cables.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.604
- **30 CFR 75.342 — Methane monitors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.342

## Source coverage

- **Accident, Injuries, and Illnesses:** 9 rows; 2009-10-07 through 2026-02-19; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-07-28 through 2025-07-28; source ID `msha-addresses`
- **Assessed Violations:** 782 rows; 2007-07-24 through 2026-07-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 470 rows; 2009-11-23 through 2026-01-27; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 1,302 rows; 2007-08-21 through 2026-09-28; source ID `msha-coal-dust-samples`
- **Conferences:** 4 rows; 2008-04-24 through 2020-10-16; source ID `msha-conferences`
- **Contested Violations:** 470 rows; 2008-05-23 through 2025-10-14; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 75 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:** 2 rows; 2007-02-28 through 2007-02-28; source ID `msha-controller-operator-history`
- **Inspections:** 117 rows; 2007-05-30 through 2026-07-30; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 174 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 32 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 130 rows; 2008-02-12 through 2026-04-22; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 71 rows; 2008-04-10 through 2026-07-22; source ID `msha-quartz-samples`
- **Violations:** 791 rows; 2007-07-24 through 2026-07-16; 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/mine-no-2-4609207`
- JSON: `/api/v1/mines/mine-no-2-4609207`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609207/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609207/relationships`
- MCP resource: `mine://4609207/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`