# Winfield North Strip

- **MSHA mine ID:** 4101900
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Lignite)
- **Location:** Titus, TX
- **Operator:** Luminant Mining Co LLC
- **Controller:** Vistra Energy
- **Public source rows linked:** 1,458
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Vistra Energy (0129941) → Luminant Mining Co LLC (P00650) → Winfield North Strip (4101900)**

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

## Controller and operator valid-time history

- **TXU → Luminant Mining Co LLC:** 2007-08-31 through 2007-09-30; derived from co-tenure at mine 4101900; source `msha-controller-operator-history`.
- **Energy Future Holdings Corporation → Luminant Mining Co LLC:** 2007-10-01 through 2016-10-03; derived from co-tenure at mine 4101900; source `msha-controller-operator-history`.
- **Vistra Energy → Luminant Mining Co LLC:** 2016-10-04 through current/open; derived from co-tenure at mine 4101900; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 7
- 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 — 0 since 2021:** Accidents and injuries 22 historical accident/injury rows; 0 coded fatalities and 82 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 32 violation rows across the full record; 2 carry an S&S flag and $2,730 appears in current assessed amounts.
3. **HEALTH — 125 samples:** Occupational health samples 81 coal dust; 44 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 — 572K tons:** Quarterly production and employment 109K employee hours and 192 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 2 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 6 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 — 0 since 2021:** Inspections 75 inspection events and 2K 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 77.1710 — Protective clothing; requirements.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1710
- **30 CFR 77.403-1 — Mobile equipment; rollover protective structures (ROPS).** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.403-1
- **30 CFR 77.502 — Electric equipment; examination, testing, and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **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
- **30 CFR 77.602 — Permanent splicing of trailing cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-G/section-77.602
- **30 CFR 77.604 — Protection of trailing cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-G/section-77.604
- **30 CFR 77.400 — Mechanical equipment guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400

## Source coverage

- **Accident, Injuries, and Illnesses:** 22 rows; 2000-03-08 through 2014-12-04; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-06-01 through 2020-06-01; source ID `msha-addresses`
- **Assessed Violations:** 30 rows; 2000-03-03 through 2011-05-31; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2012-02-15 through 2012-02-15; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 81 rows; 2000-03-04 through 2015-05-28; source ID `msha-coal-dust-samples`
- **Contested Violations:** 1 rows; 2011-05-10 through 2011-05-10; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 907 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 213 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1974-07-01 through 1974-07-01; source ID `msha-controller-operator-history`
- **Inspections:** 75 rows; 2000-03-01 through 2019-10-02; 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:** 23 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 44 rows; 2000-03-16 through 2014-12-10; source ID `msha-noise-samples`
- **Violations:** 32 rows; 2000-03-03 through 2011-05-31; 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/winfield-north-strip-4101900`
- JSON: `/api/v1/mines/winfield-north-strip-4101900`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4101900/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4101900/relationships`
- MCP resource: `mine://4101900/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`