# Mine No 21

- **MSHA mine ID:** 1518085
- **Status:** Abandoned
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Pike, KY
- **Operator:** McCoy Elkhorn Coal Corp
- **Controller:** James River Coal Company
- **Public source rows linked:** 2,100
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**James River Coal Company (C13562) → McCoy Elkhorn Coal Corp (P19831) → Mine No 21 (1518085)**

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

## Controller and operator valid-time history

- **Zeigler Coal Holding Company → Matrix Coal Company:** 1998-08-01 through 1998-09-01; derived from co-tenure at mine 1518085; source `msha-controller-operator-history`.
- **Horizon Natural Resources Incorporated → Matrix Coal Company:** 1998-09-02 through 2000-01-02; derived from co-tenure at mine 1518085; source `msha-controller-operator-history`.
- **James River Coal Company → McCoy Elkhorn Coal Corp:** 2000-01-03 through current/open; derived from co-tenure at mine 1518085; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 9
- 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 27 historical accident/injury rows; 0 coded fatalities and 1,189 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 336 violation rows across the full record; 127 carry an S&S flag and $76,365 appears in current assessed amounts.
3. **HEALTH — 1K samples:** Occupational health samples 1,025 coal dust; 58 coal quartz; 47 noise. 0 personal-sample rows have a published C/E ratio above 1; 9 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 — 22K tons:** Quarterly production and employment 8K employee hours and 16 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 12 linked rows:** Contests, conferences and decisions 3 contested-violation rows, 6 civil-penalty docket/decision rows, and 3 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 142 inspection events and 4K 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 75.370 — Mine ventilation plan; submission and approval.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **30 CFR 75.334 — Worked-out areas and areas where pillars are being recovered.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.334
- **30 CFR 75.364 — Weekly examination.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364
- **30 CFR 75.388 — Boreholes in advance of mining.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.388
- **30 CFR 75.1200 — Mine map.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1200
- **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 75.1403-6 — Criteria—Self-propelled personnel carriers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403-6
- **30 CFR 75.1101-1 — Deluge-type water spray systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1101-1
- **30 CFR 75.904 — Identification of circuit breakers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-J/section-75.904

## Source coverage

- **Accident, Injuries, and Illnesses:** 27 rows; 2000-07-27 through 2004-06-17; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2004-08-31 through 2004-08-31; source ID `msha-addresses`
- **Assessed Violations:** 325 rows; 2000-03-07 through 2004-06-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2003-06-24 through 2005-03-23; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 1,025 rows; 2000-03-06 through 2004-07-27; source ID `msha-coal-dust-samples`
- **Conferences:** 3 rows; 2004-07-09 through 2004-07-09; source ID `msha-conferences`
- **Contested Violations:** 3 rows; 2004-06-16 through 2004-06-16; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 76 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 16 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1998-08-01 through 2000-01-03; source ID `msha-controller-operator-history`
- **Inspections:** 142 rows; 2000-02-17 through 2004-08-25; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 26 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 5 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 47 rows; 2001-09-20 through 2003-04-07; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 58 rows; 2000-03-15 through 2004-07-15; source ID `msha-quartz-samples`
- **Violations:** 336 rows; 2000-03-07 through 2004-06-16; 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-21-1518085`
- JSON: `/api/v1/mines/mine-no-21-1518085`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518085/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518085/relationships`
- MCP resource: `mine://1518085/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`