# Middle Fork Surface

- **MSHA mine ID:** 4609645
- **Status:** Active
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Logan, WV
- **Operator:** Coal Mac East
- **Controller:** John Mitch Potter
- **Public source rows linked:** 1,058
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**John Mitch Potter (0144441) → Coal Mac East (0210693) → Middle Fork Surface (4609645)**

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

## Controller and operator valid-time history

- **Coronado Coal LLC → Greenbrier Minerals, LLC:** 2023-02-13 through 2026-07-31; derived from co-tenure at mine 4609645; source `msha-controller-operator-history`.
- **John Mitch Potter → Coal Mac East:** 2026-08-01 through current/open; derived from co-tenure at mine 4609645; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 53 since 2021:** Violations and penalties 53 violation rows across the full record; 13 carry an S&S flag and $10,572 appears in current assessed amounts.
3. **HEALTH — 63 samples:** Occupational health samples 49 coal dust; 1 coal quartz; 13 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 — 0 tons:** Quarterly production and employment 410 employee hours and 1 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 32 linked rows:** Contests, conferences and decisions 14 contested-violation rows, 15 civil-penalty docket/decision rows, and 3 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 — 9 since 2021:** Inspections 9 inspection events and 487 published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 91,882 short tons
- **Labor hours:** 49,709
- **Average employees:** 17
- **Coal supply region:** Appalachia Central
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **30 CFR 77.1011 — Drill holes; guarding.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-K/section-77.1011
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.207 — Illumination.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.207
- **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 72.620 — Drill dust control at surface mines and surface areas of underground mines.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-E/section-72.620
- **30 CFR 77.1007 — Drilling; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-K/section-77.1007
- **30 CFR 77.206 — Ladders; construction; installation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.206
- **30 CFR 77.1004 — Ground control; inspection and maintenance; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-K/section-77.1004

## Source coverage

- **Addresses of Record:** 1 rows; 2026-09-22 through 2026-09-22; source ID `msha-addresses`
- **Assessed Violations:** 50 rows; 2023-09-26 through 2025-05-22; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 15 rows; 2024-11-15 through 2025-08-25; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 49 rows; 2023-09-07 through 2025-03-10; source ID `msha-coal-dust-samples`
- **Conferences:** 3 rows; 2024-06-24 through 2025-02-14; source ID `msha-conferences`
- **Contested Violations:** 14 rows; 2024-04-05 through 2025-02-12; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 675 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 151 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2023-02-13 through 2026-08-01; source ID `msha-controller-operator-history`
- **Inspections:** 9 rows; 2023-09-15 through 2026-04-27; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 17 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 4 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 13 rows; 2023-09-21 through 2025-02-25; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 1 rows; 2024-03-05 through 2024-03-05; source ID `msha-quartz-samples`
- **Violations:** 53 rows; 2023-09-26 through 2025-05-22; 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/middle-fork-surface-4609645`
- JSON: `/api/v1/mines/middle-fork-surface-4609645`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609645/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609645/relationships`
- MCP resource: `mine://4609645/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`