# Black Oak Mine

- **MSHA mine ID:** 4609152
- **Status:** NonProducing
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Boone, WV
- **Operator:** Rockwell Mining LLC
- **Controller:** Sev.en Global Investments a.s.
- **Public source rows linked:** 19,390
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Sev.en Global Investments a.s. (0158381) → Rockwell Mining LLC (0141655) → Black Oak Mine (4609152)**

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

## Controller and operator valid-time history

- **Peabody Energy Corporation → Eastern Associated Coal LLC:** 2006-04-13 through 2007-05-20; derived from co-tenure at mine 4609152; source `msha-controller-operator-history`.
- **Long Branch Energy Corporation → Long Branch Energy:** 2007-05-21 through 2008-06-30; derived from co-tenure at mine 4609152; source `msha-controller-operator-history`.
- **Patriot Coal Corporation → Eastern Associated Coal LLC:** 2007-10-31 through 2007-05-20; derived from co-tenure at mine 4609152; source `msha-controller-operator-history`.
- **Patriot Coal Corporation → Eastern Associated Coal LLC:** 2008-07-01 through 2015-10-25; derived from co-tenure at mine 4609152; source `msha-controller-operator-history`.
- **Peabody Energy Corporation → Eastern Associated Coal LLC:** 2008-07-01 through 2007-10-30; derived from co-tenure at mine 4609152; source `msha-controller-operator-history`.
- **Blackhawk Mining LLC → Rockwell Mining LLC:** 2015-10-26 through 2020-05-31; derived from co-tenure at mine 4609152; source `msha-controller-operator-history`.
- **Sev.en Global Investments a.s. → Rockwell Mining LLC:** 2020-06-01 through current/open; derived from co-tenure at mine 4609152; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 16
- 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 198 historical accident/injury rows; 0 coded fatalities and 11,003 lost days across the published record.
2. **COMPLIANCE — 14 since 2021:** Violations and penalties 2,950 violation rows across the full record; 751 carry an S&S flag and $2,705,388 appears in current assessed amounts.
3. **HEALTH — 7K samples:** Occupational health samples 6,927 coal dust; 239 coal quartz; 267 noise. 0 personal-sample rows have a published C/E ratio above 1; 34 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 — 4,253 linked rows:** Contests, conferences and decisions 2,026 contested-violation rows, 2,025 civil-penalty docket/decision rows, and 202 conference records linked by issuance number.
6. **CONTRACTORS — 9 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 — 25 since 2021:** Inspections 200 inspection events and 28K 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 77.208 — Storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208
- **30 CFR 77.512 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.512
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 75.1712-3 — Minimum requirements of surface bathing facilities, change rooms, and sanitary toilet facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1712-3
- **30 CFR 75.1712 — Bath houses and toilet facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1712
- **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 75.1107-4 — 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
- **30 CFR 75.1725 — Machinery and equipment; operation and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1725
- **30 CFR 75.1202-1 — Temporary notations, revisions, and supplements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1202-1

## Source coverage

- **Accident, Injuries, and Illnesses:** 198 rows; 2007-10-26 through 2020-10-26; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-11-12 through 2020-11-12; source ID `msha-addresses`
- **Assessed Violations:** 2,892 rows; 2007-07-03 through 2023-03-21; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2,025 rows; 2008-07-17 through 2021-12-06; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 6,927 rows; 2007-08-22 through 2021-01-15; source ID `msha-coal-dust-samples`
- **Conferences:** 202 rows; 2007-10-15 through 2021-07-08; source ID `msha-conferences`
- **Contested Violations:** 2,026 rows; 2007-10-10 through 2021-03-03; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 995 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 226 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 2006-04-13 through 2015-10-26; source ID `msha-controller-operator-history`
- **Inspections:** 200 rows; 2006-12-21 through 2026-07-06; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 196 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 38 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 267 rows; 2008-04-14 through 2020-09-24; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 239 rows; 2007-11-28 through 2021-01-07; source ID `msha-quartz-samples`
- **Violations:** 2,950 rows; 2007-07-03 through 2023-03-21; 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/black-oak-mine-4609152`
- JSON: `/api/v1/mines/black-oak-mine-4609152`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609152/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609152/relationships`
- MCP resource: `mine://4609152/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`