# 4 West Mine

- **MSHA mine ID:** 3609326
- **Status:** Abandoned
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Greene, PA
- **Operator:** Dana Mining Company of Pennsylvania LLC
- **Controller:** Mepco Intermediate Holdings, LLC
- **Public source rows linked:** 16,015
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-18T09:31:49.615Z

## Current entity hierarchy

**Mepco Intermediate Holdings, LLC (0111561) → Dana Mining Company of Pennsylvania LLC (0086904) → 4 West Mine (3609326)**

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

## Controller and operator valid-time history

- **Thomas A  Laurita  et al → Dana Mining Company of PA Inc:** 2005-04-25 through 2008-02-25; derived from co-tenure at mine 3609326; source `msha-controller-operator-history`.
- **James L  Laurita Jr  et al → Dana Mining Company of PA Inc:** 2005-04-25 through 2008-02-25; derived from co-tenure at mine 3609326; source `msha-controller-operator-history`.
- **James L  Laurita Jr  et al → Dana Mining Company of Pennsylvania LLC:** 2008-02-26 through 2013-11-09; derived from co-tenure at mine 3609326; source `msha-controller-operator-history`.
- **GenPower Holdings LP  et al → Dana Mining Company of Pennsylvania LLC:** 2008-02-26 through 2013-11-09; derived from co-tenure at mine 3609326; source `msha-controller-operator-history`.
- **Mepco Intermediate Holdings, LLC → Dana Mining Company of Pennsylvania LLC:** 2013-11-10 through current/open; derived from co-tenure at mine 3609326; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 10
- 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: 2026-10-18T09:31:49.615908+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 345 historical accident/injury rows; 2 coded fatalities and 5,731 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 2,190 violation rows across the full record; 552 carry an S&S flag and $1,919,844 appears in current assessed amounts.
3. **HEALTH — 6K samples:** Occupational health samples 5,521 coal dust; 278 coal quartz; 305 noise. 0 personal-sample rows have a published C/E ratio above 1; 38 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 10 employee hours and 1 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 1,224 linked rows:** Contests, conferences and decisions 594 contested-violation rows, 590 civil-penalty docket/decision rows, and 40 conference records linked by issuance number.
6. **CONTRACTORS — 13 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 724 inspection events and 45K 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 77.1110 — 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 77.1606 — Loading and haulage equipment; inspection and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **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 75.517 — Power wires and cables; insulation and protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.517
- **30 CFR 75.342 — Methane monitors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.342
- **30 CFR 75.400 — Accumulation of combustible materials.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400
- **30 CFR 75.1714-6 — Emergency tethers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-6
- **30 CFR 75.1600-3 — Communications facilities; refuge alternatives.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-Q/section-75.1600-3
- **30 CFR 75.1731 — Maintenance of belt conveyors and belt conveyor entries.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1731
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **30 CFR 75.340 — Underground electrical installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.340

## Source coverage

- **Accident, Injuries, and Illnesses:** 345 rows; 2005-07-12 through 2018-05-03; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2019-04-15 through 2019-04-15; source ID `msha-addresses`
- **Assessed Violations:** 2,118 rows; 2005-09-29 through 2018-09-24; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 590 rows; 2007-10-04 through 2018-09-26; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 5,521 rows; 2005-11-09 through 2018-02-20; source ID `msha-coal-dust-samples`
- **Conferences:** 40 rows; 2006-09-15 through 2017-04-17; source ID `msha-conferences`
- **Contested Violations:** 594 rows; 2006-11-13 through 2018-02-05; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,613 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 547 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 2005-04-25 through 2008-02-26; source ID `msha-controller-operator-history`
- **Inspections:** 724 rows; 2005-07-20 through 2019-03-26; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 114 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 29 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 305 rows; 2005-12-20 through 2017-11-07; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 278 rows; 2006-02-15 through 2018-02-20; source ID `msha-quartz-samples`
- **Violations:** 2,190 rows; 2005-09-29 through 2018-09-24; 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/4-west-mine-3609326`
- JSON: `/api/v1/mines/4-west-mine-3609326`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3609326/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3609326/relationships`
- MCP resource: `mine://3609326/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`