# Clas #4

- **MSHA mine ID:** 1519105
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Knott, KY
- **Operator:** Clas Coal Company, Inc.
- **Controller:** William Ridley  Elkins Jr
- **Public source rows linked:** 432
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**William Ridley  Elkins Jr (C15664) → Clas Coal Company, Inc. (P22559) → Clas #4 (1519105)**

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

## Controller and operator valid-time history

- **William Ridley  Elkins Jr → Clas Coal Company, Inc.:** 2007-05-07 through current/open; derived from co-tenure at mine 1519105; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 8 historical accident/injury rows; 0 coded fatalities and 13 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 42 violation rows across the full record; 4 carry an S&S flag and $4,552 appears in current assessed amounts.
3. **HEALTH — 106 samples:** Occupational health samples 89 coal dust; 4 coal quartz; 13 noise. 0 personal-sample rows have a published C/E ratio above 1; 5 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 11 inspection events and 780 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 75.360 — Preshift examination at fixed intervals.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.360
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **30 CFR 75.220 — Roof control plan.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.220
- **30 CFR 75.1714-3 — Self-rescue devices; inspection, testing, maintenance, repair, and recordkeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-3
- **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 75.1403 — Other safeguards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403
- **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 75.503 — Permissible electric face equipment; maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **30 CFR 75.333 — Ventilation controls.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333

## Source coverage

- **Accident, Injuries, and Illnesses:** 8 rows; 2007-10-09 through 2008-09-24; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2009-03-04 through 2009-03-04; source ID `msha-addresses`
- **Assessed Violations:** 39 rows; 2007-09-17 through 2008-09-24; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 89 rows; 2007-09-11 through 2008-08-27; source ID `msha-coal-dust-samples`
- **Contractor Employment and Production — Quarterly:** 165 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 42 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2007-05-07 through 2007-05-07; source ID `msha-controller-operator-history`
- **Inspections:** 11 rows; 2007-05-30 through 2008-10-24; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 12 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; 2007-09-18 through 2008-01-22; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 4 rows; 2007-09-18 through 2008-05-20; source ID `msha-quartz-samples`
- **Violations:** 42 rows; 2007-09-17 through 2008-09-24; 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/clas-4-1519105`
- JSON: `/api/v1/mines/clas-4-1519105`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1519105/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1519105/relationships`
- MCP resource: `mine://1519105/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`