# Road Fork Deep Mine

- **MSHA mine ID:** 4609648
- **Status:** Active
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Mingo, WV
- **Operator:** Coal-Mac LLC
- **Controller:** John Mitch Potter
- **Public source rows linked:** 806
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**John Mitch Potter (0144441) → Coal-Mac LLC (P20596) → Road Fork Deep Mine (4609648)**

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

## Controller and operator valid-time history

- **John Mitch Potter → Coal-Mac LLC:** 2024-01-04 through current/open; derived from co-tenure at mine 4609648; source `msha-controller-operator-history`.
- **Ashland Inc et al → Coal-Mac LLC:** 2024-01-04 through 1997-06-30; derived from co-tenure at mine 4609648; source `msha-controller-operator-history`.
- **Arch Resources Inc → Coal-Mac LLC:** 2024-01-04 through 2019-10-22; derived from co-tenure at mine 4609648; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 7
- 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 — 2 since 2021:** Accidents and injuries 2 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 99 since 2021:** Violations and penalties 99 violation rows across the full record; 30 carry an S&S flag and $19,721 appears in current assessed amounts.
3. **HEALTH — 183 samples:** Occupational health samples 166 coal dust; 7 coal quartz; 10 noise. 0 personal-sample rows have a published C/E ratio above 1; 0 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 — 91K tons:** Quarterly production and employment 26K employee hours and 41 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 17 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 6 civil-penalty docket/decision rows, and 5 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 — 18 since 2021:** Inspections 18 inspection events and 767 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 75.604 — Permanent splicing of trailing cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.604
- **30 CFR 75.517 — Power wires and cables; insulation and protection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.517
- **30 CFR 75.512 — Electric equipment; examination, testing and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512
- **30 CFR 75.402 — Rock dusting.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.402
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **30 CFR 75.1505 — Escapeway maps.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-P/section-75.1505

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2026-07-10 through 2026-08-31; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-09-14 through 2026-09-14; source ID `msha-addresses`
- **Assessed Violations:** 63 rows; 2024-07-01 through 2026-07-27; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2024-12-30 through 2026-06-16; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 166 rows; 2024-06-11 through 2026-10-08; source ID `msha-coal-dust-samples`
- **Conferences:** 5 rows; 2026-04-14 through 2026-09-29; source ID `msha-conferences`
- **Contested Violations:** 6 rows; 2024-07-11 through 2026-02-17; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 315 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 66 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 2024-01-04 through 2024-01-04; source ID `msha-controller-operator-history`
- **Inspections:** 18 rows; 2024-02-26 through 2026-10-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 30 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 8 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 10 rows; 2024-06-11 through 2026-02-24; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 7 rows; 2026-02-24 through 2026-09-23; source ID `msha-quartz-samples`
- **Violations:** 99 rows; 2024-07-01 through 2026-10-08; 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/road-fork-deep-mine-4609648`
- JSON: `/api/v1/mines/road-fork-deep-mine-4609648`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609648/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609648/relationships`
- MCP resource: `mine://4609648/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`