# Kosse Strip

- **MSHA mine ID:** 4104586
- **Status:** Active
- **Type / commodity:** Surface / Coal (Lignite)
- **Location:** Limestone, TX
- **Operator:** Luminant Mining Company LLC
- **Controller:** Vistra Energy
- **Public source rows linked:** 10,383
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Vistra Energy (0129941) → Luminant Mining Company LLC (P00650) → Kosse Strip (4104586)**

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

## Controller and operator valid-time history

- **TXU → Luminant Mining Company LLC:** 2007-08-31 through 2007-09-30; derived from co-tenure at mine 4104586; source `msha-controller-operator-history`.
- **Energy Future Holdings Corporation → Luminant Mining Company LLC:** 2007-10-01 through 2016-10-03; derived from co-tenure at mine 4104586; source `msha-controller-operator-history`.
- **Vistra Energy → Luminant Mining Company LLC:** 2016-10-04 through current/open; derived from co-tenure at mine 4104586; 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 37 since 2021:** Accidents and injuries 121 historical accident/injury rows; 0 coded fatalities and 3,013 lost days across the published record.
2. **COMPLIANCE — 384 since 2021:** Violations and penalties 644 violation rows across the full record; 152 carry an S&S flag and $671,522 appears in current assessed amounts.
3. **HEALTH — 447 samples:** Occupational health samples 304 coal dust; 3 coal quartz; 140 noise. 0 personal-sample rows have a published C/E ratio above 1; 1 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 — 2.3M tons:** Quarterly production and employment 226K employee hours and 390 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 194 linked rows:** Contests, conferences and decisions 95 contested-violation rows, 95 civil-penalty docket/decision rows, and 4 conference records linked by issuance number.
6. **CONTRACTORS — 48 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 — 39 since 2021:** Inspections 124 inspection events and 11K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 8,916,988 short tons
- **Labor hours:** 851,025
- **Average employees:** 361
- **Coal supply region:** Interior
- **Union code:** International Brotherhood Of Electrical Workers
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.210 — Hoisting of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.210
- **30 CFR 77.1707 — First aid equipment; location; minimum requirements.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1707
- **30 CFR 77.502-2 — Electric equipment; frequency of examination and testing.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502-2
- **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 77.1607 — Loading and haulage equipment; operation.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 77.512 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.512
- **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
- **30 CFR 77.205 — Travelways at surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205

## Source coverage

- **Accident, Injuries, and Illnesses:** 121 rows; 2007-07-30 through 2026-09-17; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2007-12-03 through 2007-12-03; source ID `msha-addresses`
- **Assessed Violations:** 635 rows; 2008-01-07 through 2026-07-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 95 rows; 2009-02-27 through 2026-06-04; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 304 rows; 2008-02-29 through 2026-08-25; source ID `msha-coal-dust-samples`
- **Conferences:** 4 rows; 2008-02-04 through 2015-05-27; source ID `msha-conferences`
- **Contested Violations:** 95 rows; 2008-01-07 through 2026-07-13; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 6,559 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1,454 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 2006-04-15 through 2006-04-15; source ID `msha-controller-operator-history`
- **Inspections:** 124 rows; 2008-01-07 through 2026-07-12; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 160 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 40 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 140 rows; 2008-02-29 through 2026-07-14; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 3 rows; 2017-10-17 through 2026-01-15; source ID `msha-quartz-samples`
- **Violations:** 644 rows; 2008-01-07 through 2026-07-16; 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/kosse-strip-4104586`
- JSON: `/api/v1/mines/kosse-strip-4104586`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4104586/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4104586/relationships`
- MCP resource: `mine://4104586/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`