# MILLER CREEK PREP. PLANT

- **MSHA mine ID:** 4605890
- **Status:** NonProducing
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Mingo, WV
- **Operator:** COAL-MAC LLC
- **Controller:** John Mitch Potter
- **Public source rows linked:** 5,603
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**John Mitch Potter (0144441) → COAL-MAC LLC (P20596) → MILLER CREEK PREP. PLANT (4605890)**

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

## Controller and operator valid-time history

- **Massey Energy Company → Tug Valley Processing Company:** 1978-12-01 through 1987-07-09; derived from co-tenure at mine 4605890; source `msha-controller-operator-history`.
- **Shell Oil Company → Tug Valley Processing Company:** 1987-07-10 through 1992-11-23; derived from co-tenure at mine 4605890; source `msha-controller-operator-history`.
- **Zeigler Coal Holding Company → Tug Valley Coal Processing Company:** 1992-11-24 through 1998-09-01; derived from co-tenure at mine 4605890; source `msha-controller-operator-history`.
- **Horizon Natural Resources Incorporated → Tug Valley Coal Processing Company:** 1998-09-02 through 2004-09-30; derived from co-tenure at mine 4605890; source `msha-controller-operator-history`.
- **Lexington Coal Company LLC → LCC West Virginia, LLC:** 2004-10-01 through 2005-03-28; derived from co-tenure at mine 4605890; source `msha-controller-operator-history`.
- **CONSOL Energy Inc → Southern West Virginia Resources LLC:** 2005-03-29 through 2009-03-25; derived from co-tenure at mine 4605890; source `msha-controller-operator-history`.
- **CONSOL Energy Inc → CONSOL of Kentucky Inc:** 2009-03-26 through 2016-08-01; derived from co-tenure at mine 4605890; source `msha-controller-operator-history`.
- **James H  Booth et al → Southeastern Land, LLC.:** 2016-08-02 through 2021-01-04; derived from co-tenure at mine 4605890; source `msha-controller-operator-history`.
- **John Mitch Potter → Coal-Mac LLC:** 2021-01-05 through current/open; derived from co-tenure at mine 4605890; source `msha-controller-operator-history`.
- **Ashland Inc et al → Coal-Mac LLC:** 2021-01-05 through 1997-06-30; derived from co-tenure at mine 4605890; source `msha-controller-operator-history`.
- **Arch Resources Inc → Coal-Mac LLC:** 2021-01-05 through 2019-10-22; derived from co-tenure at mine 4605890; source `msha-controller-operator-history`.

- History rows: 11
- Typed edges: 31
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 2 since 2021:** Accidents and injuries 56 historical accident/injury rows; 2 coded fatalities and 2,745 lost days across the published record.
2. **COMPLIANCE — 15 since 2021:** Violations and penalties 734 violation rows across the full record; 269 carry an S&S flag and $250,313 appears in current assessed amounts.
3. **HEALTH — 328 samples:** Occupational health samples 219 coal dust; 6 coal quartz; 103 noise. 0 personal-sample rows have a published C/E ratio above 1; 13 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 33K employee hours and 60 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 186 linked rows:** Contests, conferences and decisions 87 contested-violation rows, 87 civil-penalty docket/decision rows, and 12 conference records linked by issuance number.
6. **CONTRACTORS — 28 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 — 36 since 2021:** Inspections 216 inspection events and 8K 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 77.207 — Illumination.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.207
- **30 CFR 77.216 — Water, sediment, or slurry impoundments and impounding structures; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216
- **30 CFR 48.31 — Hazard training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.31
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **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 77.1102 — Warning signs; smoking and open flame.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1102
- **30 CFR 77.1109 — Quantity and location of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 56 rows; 2000-01-03 through 2024-01-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-05-11 through 2020-05-11; source ID `msha-addresses`
- **Assessed Violations:** 715 rows; 2000-04-21 through 2024-02-02; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 87 rows; 2008-06-02 through 2020-08-21; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 219 rows; 2000-04-25 through 2020-05-13; source ID `msha-coal-dust-samples`
- **Conferences:** 12 rows; 2005-04-29 through 2022-02-23; source ID `msha-conferences`
- **Contested Violations:** 87 rows; 2007-01-24 through 2020-01-28; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,738 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 554 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 11 rows; 1978-12-01 through 2021-01-05; source ID `msha-controller-operator-history`
- **Inspections:** 216 rows; 2000-01-18 through 2026-09-22; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 24 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 39 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 103 rows; 2000-03-30 through 2020-01-22; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 6 rows; 2001-05-01 through 2020-01-22; source ID `msha-quartz-samples`
- **Violations:** 734 rows; 2000-04-21 through 2024-02-02; 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/miller-creek-prep-plant-4605890`
- JSON: `/api/v1/mines/miller-creek-prep-plant-4605890`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4605890/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4605890/relationships`
- MCP resource: `mine://4605890/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`