# Mine No. 11

- **MSHA mine ID:** 4003237
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Campbell, TN
- **Operator:** National Coal Corporation
- **Controller:** National Coal Corporation
- **Public source rows linked:** 2,027
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**National Coal Corporation (0041843) → National Coal Corporation (0051346) → Mine No. 11 (4003237)**

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

## Controller and operator valid-time history

- **National Coal Corporation → National Coal Corporation:** 2004-07-08 through current/open; derived from co-tenure at mine 4003237; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 51 historical accident/injury rows; 0 coded fatalities and 1,639 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 420 violation rows across the full record; 186 carry an S&S flag and $180,152 appears in current assessed amounts.
3. **HEALTH — 921 samples:** Occupational health samples 736 coal dust; 72 coal quartz; 113 noise. 0 personal-sample rows have a published C/E ratio above 1; 17 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 — 0 tons:** Quarterly production and employment 995 employee hours and 7 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 95 linked rows:** Contests, conferences and decisions 24 contested-violation rows, 24 civil-penalty docket/decision rows, and 47 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 — 0 since 2021:** Inspections 30 inspection events and 5K 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 75.403 — Maintenance of incombustible content of rock dust.** (7 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.403
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **30 CFR 77.701 — Grounding metallic frames, casings, and other enclosures of electric equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-H/section-77.701
- **30 CFR 77.1607 — Loading and haulage equipment; operation.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607
- **30 CFR 75.523-2 — Deenergization of self-propelled electric face equipment; performance requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.523-2
- **30 CFR 75.1100-2 — Quantity and location of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-2

## Source coverage

- **Accident, Injuries, and Illnesses:** 51 rows; 2005-02-03 through 2008-05-28; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2011-02-24 through 2011-02-24; source ID `msha-addresses`
- **Assessed Violations:** 410 rows; 2004-11-18 through 2009-02-05; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 24 rows; 2007-04-02 through 2011-03-18; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 736 rows; 2004-11-17 through 2009-03-20; source ID `msha-coal-dust-samples`
- **Conferences:** 47 rows; 2005-11-04 through 2008-02-21; source ID `msha-conferences`
- **Contested Violations:** 24 rows; 2006-06-14 through 2008-08-15; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 21 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Controller and Operator History:** 1 rows; 2004-07-08 through 2004-07-08; source ID `msha-controller-operator-history`
- **Inspections:** 30 rows; 2004-10-19 through 2009-04-30; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 59 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 17 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 113 rows; 2004-11-17 through 2009-01-08; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 72 rows; 2004-11-17 through 2009-01-08; source ID `msha-quartz-samples`
- **Violations:** 420 rows; 2004-11-18 through 2009-02-05; 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-11-4003237`
- JSON: `/api/v1/mines/mine-no-11-4003237`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4003237/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4003237/relationships`
- MCP resource: `mine://4003237/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`