# Mine No 27

- **MSHA mine ID:** 4406719
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Buchanan, VA
- **Operator:** Dominion Coal Corporation
- **Controller:** SunCoke Energy Incorporated
- **Public source rows linked:** 76
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**SunCoke Energy Incorporated (0104093) → Dominion Coal Corporation (P10904) → Mine No 27 (4406719)**

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

## Controller and operator valid-time history

- **Sunoco, Inc. → Dominion Coal Corporation:** 1992-10-01 through 1993-02-07; derived from co-tenure at mine 4406719; source `msha-controller-operator-history`.
- **James Wayne  Estep → Warren Coal Company Inc:** 1993-02-08 through 1993-05-20; derived from co-tenure at mine 4406719; source `msha-controller-operator-history`.
- **Sunoco, Inc. → Dominion Coal Corporation:** 1993-05-21 through 1994-04-12; derived from co-tenure at mine 4406719; source `msha-controller-operator-history`.
- **Rodney K  Roberts et al → Red Baron Inc:** 1994-04-13 through 2000-09-04; derived from co-tenure at mine 4406719; source `msha-controller-operator-history`.
- **Jimmy D  Dye et al → Red Baron Inc:** 1994-04-13 through 2000-09-04; derived from co-tenure at mine 4406719; source `msha-controller-operator-history`.
- **Sunoco, Inc. → Dominion Coal Corporation:** 2000-09-05 through 2012-01-16; derived from co-tenure at mine 4406719; source `msha-controller-operator-history`.
- **SunCoke Energy Incorporated → Dominion Coal Corporation:** 2012-01-17 through 1993-02-07; derived from co-tenure at mine 4406719; source `msha-controller-operator-history`.
- **SunCoke Energy Incorporated → Dominion Coal Corporation:** 2012-01-17 through 1994-04-12; derived from co-tenure at mine 4406719; source `msha-controller-operator-history`.
- **SunCoke Energy Incorporated → Dominion Coal Corporation:** 2012-01-17 through current/open; derived from co-tenure at mine 4406719; source `msha-controller-operator-history`.

- History rows: 9
- Typed edges: 18
- Interval anomalies: 2
- 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 45 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 4 violation rows across the full record; 0 carry an S&S flag and $220 appears in current assessed amounts.
3. **HEALTH — 34 samples:** Occupational health samples 27 coal dust; 2 coal quartz; 5 noise. 0 personal-sample rows have a published C/E ratio above 1; 1 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 15 inspection events and 226 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 75.364 — Weekly examination.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364
- **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 75.1107-4 — Automatic fire sensors and manual actuators; installation; minimum requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1107-4

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2000-03-15 through 2000-03-15; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2000-12-19 through 2000-12-19; source ID `msha-addresses`
- **Assessed Violations:** 4 rows; 2000-01-18 through 2000-05-18; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 27 rows; 2000-01-19 through 2000-04-19; source ID `msha-coal-dust-samples`
- **Controller and Operator History:** 9 rows; 1992-10-01 through 2000-09-05; source ID `msha-controller-operator-history`
- **Inspections:** 15 rows; 2000-01-03 through 2000-08-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 5 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 2 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 5 rows; 2000-03-15 through 2000-03-15; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 2 rows; 2000-01-19 through 2000-04-19; source ID `msha-quartz-samples`
- **Violations:** 4 rows; 2000-01-18 through 2000-05-18; 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-27-4406719`
- JSON: `/api/v1/mines/mine-no-27-4406719`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4406719/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4406719/relationships`
- MCP resource: `mine://4406719/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`