# No 2

- **MSHA mine ID:** 4404946
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Dickenson, VA
- **Operator:** Black Dog Coal Corporation
- **Controller:** Alpha Natural Resources, Inc.
- **Public source rows linked:** 3,774
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alpha Natural Resources, Inc. (0041211) → Black Dog Coal Corporation (0056997) → No 2 (4404946)**

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

## Controller and operator valid-time history

- **Pittston Company → Clinchfield Coal Company:** 1977-10-01 through 2002-12-12; derived from co-tenure at mine 4404946; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Dickenson-Russell Coal Company, LLC:** 2002-12-13 through 2003-04-23; derived from co-tenure at mine 4404946; source `msha-controller-operator-history`.
- **Ronnie A  Edwards → Black Dog Coal Corp:** 2003-04-24 through 2005-01-31; derived from co-tenure at mine 4404946; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Black Dog Coal Corporation:** 2005-02-01 through current/open; derived from co-tenure at mine 4404946; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 12
- 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 59 historical accident/injury rows; 0 coded fatalities and 1,192 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 699 violation rows across the full record; 364 carry an S&S flag and $212,562 appears in current assessed amounts.
3. **HEALTH — 1K samples:** Occupational health samples 1,061 coal dust; 112 coal quartz; 66 noise. 0 personal-sample rows have a published C/E ratio above 1; 16 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 6K employee hours and 11 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 60 linked rows:** Contests, conferences and decisions 17 contested-violation rows, 17 civil-penalty docket/decision rows, and 26 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 480 inspection events and 10K 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 77.502 — Electric equipment; examination, testing, and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **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 75.1100-3 — Condition and examination of firefighting equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-3
- **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 75.360 — Preshift examination at fixed intervals.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.360
- **30 CFR 75.362 — On-shift examination.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.362
- **30 CFR 75.1731 — Maintenance of belt conveyors and belt conveyor entries.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1731
- **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 75.517 — 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 75.601-1 — Short circuit protection; ratings and settings of circuit breakers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.601-1

## Source coverage

- **Accident, Injuries, and Illnesses:** 59 rows; 2000-01-14 through 2009-03-04; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2009-12-31 through 2009-12-31; source ID `msha-addresses`
- **Assessed Violations:** 680 rows; 2000-01-10 through 2009-10-08; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 17 rows; 2007-11-01 through 2010-11-02; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 1,061 rows; 2000-01-24 through 2009-09-03; source ID `msha-coal-dust-samples`
- **Conferences:** 26 rows; 2000-02-09 through 2008-01-30; source ID `msha-conferences`
- **Contested Violations:** 17 rows; 2006-10-17 through 2009-10-08; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 346 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 75 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1977-10-01 through 2005-02-01; source ID `msha-controller-operator-history`
- **Inspections:** 480 rows; 2000-01-06 through 2009-12-22; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 109 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 21 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 66 rows; 2000-02-03 through 2009-02-20; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 112 rows; 2000-01-25 through 2009-02-03; source ID `msha-quartz-samples`
- **Violations:** 699 rows; 2000-01-10 through 2009-10-08; 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/no-2-4404946`
- JSON: `/api/v1/mines/no-2-4404946`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4404946/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4404946/relationships`
- MCP resource: `mine://4404946/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`