# Harris Prep Plant

- **MSHA mine ID:** 4603135
- **Status:** NonProducing
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Boone, WV
- **Operator:** Rockwell Mining LLC
- **Controller:** Sev.en Global Investments a.s.
- **Public source rows linked:** 1,977
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Sev.en Global Investments a.s. (0158381) → Rockwell Mining LLC (0141655) → Harris Prep Plant (4603135)**

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

## Controller and operator valid-time history

- **Eastern Gas & Fuel Association → Eastern Associated Coal Corp:** 1972-04-01 through 1987-05-14; derived from co-tenure at mine 4603135; source `msha-controller-operator-history`.
- **Hanson PLC → Eastern Associated Coal Corp:** 1987-05-15 through 1998-05-18; derived from co-tenure at mine 4603135; source `msha-controller-operator-history`.
- **Peabody Energy Corporation → Eastern Associated Coal LLC:** 1998-05-19 through 2007-10-30; derived from co-tenure at mine 4603135; source `msha-controller-operator-history`.
- **Patriot Coal Corporation → Eastern Associated Coal LLC:** 2007-10-31 through 2015-10-25; derived from co-tenure at mine 4603135; source `msha-controller-operator-history`.
- **Blackhawk Mining LLC → Rockwell Mining LLC:** 2015-10-26 through 2020-05-31; derived from co-tenure at mine 4603135; 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 4603135; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 16
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 2 since 2021:** Accidents and injuries 13 historical accident/injury rows; 0 coded fatalities and 851 lost days across the published record.
2. **COMPLIANCE — 13 since 2021:** Violations and penalties 127 violation rows across the full record; 38 carry an S&S flag and $44,058 appears in current assessed amounts.
3. **HEALTH — 274 samples:** Occupational health samples 194 coal dust; 9 coal quartz; 71 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 — 48 linked rows:** Contests, conferences and decisions 24 contested-violation rows, 24 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 7 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 — 17 since 2021:** Inspections 92 inspection events and 3K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 0 short tons
- **Labor hours:** 6,836
- **Average employees:** 2
- **Coal supply region:** Appalachia Central
- **Union code:** Not published
- **Published rows under this MSHA ID:** 2

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **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 77.1109 — Quantity and location of firefighting equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109
- **30 CFR 77.502-2 — Electric equipment; frequency of examination and testing.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502-2
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 41.30 — Address of record and telephone number.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-C/section-41.30
- **30 CFR 71.402 — Minimum requirements for bathing facilities, change rooms, and sanitary flush toilet facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-E/section-71.402
- **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 77.1104 — Accumulations of combustible materials.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 41.13 — Failure to notify.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.13

## Source coverage

- **Accident, Injuries, and Illnesses:** 13 rows; 2000-04-16 through 2026-06-17; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2021-05-24 through 2021-05-24; source ID `msha-addresses`
- **Assessed Violations:** 126 rows; 2000-04-10 through 2026-08-04; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 24 rows; 2008-04-04 through 2018-01-24; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 194 rows; 2000-04-11 through 2026-08-10; source ID `msha-coal-dust-samples`
- **Contested Violations:** 24 rows; 2007-07-27 through 2017-08-07; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,013 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 233 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 1972-04-01 through 2015-10-26; source ID `msha-controller-operator-history`
- **Inspections:** 92 rows; 2000-03-13 through 2026-08-04; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 18 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 25 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 71 rows; 2000-03-13 through 2026-08-10; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 9 rows; 2016-08-09 through 2020-09-23; source ID `msha-quartz-samples`
- **Violations:** 127 rows; 2000-04-10 through 2026-08-04; 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/harris-prep-plant-4603135`
- JSON: `/api/v1/mines/harris-prep-plant-4603135`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4603135/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4603135/relationships`
- MCP resource: `mine://4603135/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`