# Saunders Preparation Plant

- **MSHA mine ID:** 4602140
- **Status:** NonProducing
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Logan, WV
- **Operator:** Coal Mac East
- **Controller:** John Mitch Potter
- **Public source rows linked:** 6,198
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**John Mitch Potter (0144441) → Coal Mac East (0210693) → Saunders Preparation Plant (4602140)**

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

## Controller and operator valid-time history

- **Pittston Company → Buffalo Mining Company:** 1950-01-01 through 2007-04-29; derived from co-tenure at mine 4602140; source `msha-controller-operator-history`.
- **Energy Coal Resources Inc → Appalachian Fuels LLC:** 2007-04-30 through 2007-12-06; derived from co-tenure at mine 4602140; source `msha-controller-operator-history`.
- **John C  Smith Jr → Appalachian Fuels LLC:** 2007-04-30 through 2006-01-16; derived from co-tenure at mine 4602140; source `msha-controller-operator-history`.
- **INR-I Holdings LLC → Cliffs Logan County Coal, LLC:** 2007-12-07 through 2010-08-01; derived from co-tenure at mine 4602140; source `msha-controller-operator-history`.
- **Cleveland-Cliffs Inc → Cliffs Logan County Coal, LLC:** 2010-08-02 through 2014-12-30; derived from co-tenure at mine 4602140; source `msha-controller-operator-history`.
- **Coronado Coal LLC → Greenbrier Minerals, LLC:** 2014-12-31 through 2026-07-31; derived from co-tenure at mine 4602140; source `msha-controller-operator-history`.
- **John Mitch Potter → Coal Mac East:** 2026-08-01 through current/open; derived from co-tenure at mine 4602140; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 19
- Interval anomalies: 1
- 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 — 4 since 2021:** Accidents and injuries 32 historical accident/injury rows; 0 coded fatalities and 1,861 lost days across the published record.
2. **COMPLIANCE — 289 since 2021:** Violations and penalties 560 violation rows across the full record; 175 carry an S&S flag and $151,476 appears in current assessed amounts.
3. **HEALTH — 437 samples:** Occupational health samples 304 coal dust; 41 coal quartz; 92 noise. 0 personal-sample rows have a published C/E ratio above 1; 7 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 306 linked rows:** Contests, conferences and decisions 147 contested-violation rows, 147 civil-penalty docket/decision rows, and 12 conference records linked by issuance number.
6. **CONTRACTORS — 26 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 — 54 since 2021:** Inspections 162 inspection events and 5K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 0 short tons
- **Labor hours:** 142,922
- **Average employees:** 60
- **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 77.106 — Records of certified and qualified persons.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-B/section-77.106
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.700 — Grounding metallic sheaths, armors, and conduits enclosing power conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-H/section-77.700
- **30 CFR 77.200 — Surface installations; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.200
- **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 77.205 — Travelways at surface installations.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **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 77.404 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404

## Source coverage

- **Accident, Injuries, and Illnesses:** 32 rows; 2008-05-07 through 2025-06-02; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-05-13 through 2026-05-13; source ID `msha-addresses`
- **Assessed Violations:** 550 rows; 2002-01-31 through 2026-04-24; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 147 rows; 2011-01-26 through 2026-09-18; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 304 rows; 2009-03-03 through 2026-09-30; source ID `msha-coal-dust-samples`
- **Conferences:** 12 rows; 2015-06-17 through 2026-02-19; source ID `msha-conferences`
- **Contested Violations:** 147 rows; 2008-08-05 through 2026-02-06; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 3,412 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 707 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1950-01-01 through 2026-08-01; source ID `msha-controller-operator-history`
- **Inspections:** 162 rows; 2000-01-19 through 2026-08-19; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 23 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 92 rows; 2009-09-09 through 2026-01-13; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 41 rows; 2009-03-03 through 2026-01-13; source ID `msha-quartz-samples`
- **Violations:** 560 rows; 2002-01-31 through 2026-04-24; 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/saunders-preparation-plant-4602140`
- JSON: `/api/v1/mines/saunders-preparation-plant-4602140`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4602140/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4602140/relationships`
- MCP resource: `mine://4602140/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`