# Mine No. 3

- **MSHA mine ID:** 4407187
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Wise, VA
- **Operator:** Mill Branch Coal Corporation
- **Controller:** Alpha Natural Resources, Inc.
- **Public source rows linked:** 844
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alpha Natural Resources, Inc. (0041211) → Mill Branch Coal Corporation (P23653) → Mine No. 3 (4407187)**

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

## Controller and operator valid-time history

- **Cumberland Resources Corporation → Mill Branch Coal Corporation:** 2006-09-26 through 2010-04-18; derived from co-tenure at mine 4407187; source `msha-controller-operator-history`.
- **Massey Energy Company → Mill Branch Coal Corporation:** 2010-04-19 through 2011-05-31; derived from co-tenure at mine 4407187; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Mill Branch Coal Corporation:** 2011-06-01 through current/open; derived from co-tenure at mine 4407187; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 7
- 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 — 0 since 2021:** Violations and penalties 139 violation rows across the full record; 38 carry an S&S flag and $31,503 appears in current assessed amounts.
3. **HEALTH — 236 samples:** Occupational health samples 193 coal dust; 24 coal quartz; 19 noise. 0 personal-sample rows have a published C/E ratio above 1; 4 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 — 3K tons:** Quarterly production and employment 3K employee hours and 20 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 99 linked rows:** Contests, conferences and decisions 49 contested-violation rows, 49 civil-penalty docket/decision rows, and 1 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 — 0 since 2021:** Inspections 51 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 75.400 — Accumulation of combustible materials.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400
- **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 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 75.1722 — 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 75.1505 — Escapeway maps.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-P/section-75.1505
- **30 CFR 75.1912 — Fire suppression systems for permanent underground diesel fuel storage facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-T/section-75.1912
- **30 CFR 75.1103-9 — Minimum requirements; fire suppression materials and location; maintenance of entries and crosscuts; access doors; communications; fire crews; high-expansion foam devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1103-9

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2009-06-08 through 2009-06-08; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2011-09-28 through 2011-09-28; source ID `msha-addresses`
- **Assessed Violations:** 138 rows; 2008-06-20 through 2010-12-15; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 49 rows; 2009-11-18 through 2013-06-24; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 193 rows; 2008-12-15 through 2010-12-21; source ID `msha-coal-dust-samples`
- **Conferences:** 1 rows; 2010-01-04 through 2010-01-04; source ID `msha-conferences`
- **Contested Violations:** 49 rows; 2009-03-03 through 2010-12-15; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 107 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 28 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 2006-09-26 through 2006-09-26; source ID `msha-controller-operator-history`
- **Inspections:** 51 rows; 2008-06-20 through 2011-09-28; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 32 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:** 19 rows; 2008-12-10 through 2010-09-14; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 24 rows; 2009-03-03 through 2010-09-13; source ID `msha-quartz-samples`
- **Violations:** 139 rows; 2008-06-20 through 2010-12-15; 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-3-4407187`
- JSON: `/api/v1/mines/mine-no-3-4407187`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4407187/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4407187/relationships`
- MCP resource: `mine://4407187/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`