# Cumberland Mine

- **MSHA mine ID:** 3605018
- **Status:** Active
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Greene, PA
- **Operator:** Iron Cumberland LLC
- **Controller:** Iron Senergy Holding LLC
- **Public source rows linked:** 63,367
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Iron Senergy Holding LLC (0159461) → Iron Cumberland LLC (0146433) → Cumberland Mine (3605018)**

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

## Controller and operator valid-time history

- **Usx Corp → United States Steel Mining Company Inc:** 1974-01-01 through 1993-06-06; derived from co-tenure at mine 3605018; source `msha-controller-operator-history`.
- **Cyprus Amax Minerals Company → Cyprus Cumberland Resources Corp:** 1993-06-07 through 1999-06-29; derived from co-tenure at mine 3605018; source `msha-controller-operator-history`.
- **Rag Aktiengesellschaft → Cumberland Coal Resources LP:** 1999-06-30 through 2004-07-30; derived from co-tenure at mine 3605018; source `msha-controller-operator-history`.
- **Foundation Coal Corporation → Cumberland Coal Resources LP:** 2004-07-31 through 2009-07-30; derived from co-tenure at mine 3605018; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Cumberland Coal Resources LP:** 2009-07-31 through 2016-07-25; derived from co-tenure at mine 3605018; source `msha-controller-operator-history`.
- **Alpha Metallurgical Resources Inc → Iron Cumberland LLC:** 2016-07-26 through 2020-12-09; derived from co-tenure at mine 3605018; source `msha-controller-operator-history`.
- **Iron Senergy Holding LLC → Iron Cumberland LLC:** 2020-12-10 through current/open; derived from co-tenure at mine 3605018; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 18
- 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 — 260 since 2021:** Accidents and injuries 1,537 historical accident/injury rows; 0 coded fatalities and 79,046 lost days across the published record.
2. **COMPLIANCE — 2,943 since 2021:** Violations and penalties 8,713 violation rows across the full record; 2,061 carry an S&S flag and $4,998,276 appears in current assessed amounts.
3. **HEALTH — 23K samples:** Occupational health samples 21,975 coal dust; 482 coal quartz; 843 noise. 0 personal-sample rows have a published C/E ratio above 1; 224 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 — 1.7M tons:** Quarterly production and employment 372K employee hours and 656 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 3,819 linked rows:** Contests, conferences and decisions 1,621 contested-violation rows, 1,665 civil-penalty docket/decision rows, and 533 conference records linked by issuance number.
6. **CONTRACTORS — 77 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 — 832 since 2021:** Inspections 3,375 inspection events and 148K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 5,153,309 short tons
- **Labor hours:** 1,452,404
- **Average employees:** 689
- **Coal supply region:** Appalachia Northern
- **Union code:** United Mine Workers Of America
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **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 75.1107-1 — Fire-resistant hydraulic fluids and fire suppression devices on underground equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1107-1
- **30 CFR 75.512 — Electric equipment; examination, testing and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512
- **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 75.333 — Ventilation controls.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333
- **30 CFR 75.321 — Air quality.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.321
- **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 75.211 — Roof testing and scaling.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.211
- **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 75.342 — 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 50.10 — Immediate notification.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-B/section-50.10

## Source coverage

- **Accident, Injuries, and Illnesses:** 1,537 rows; 2000-01-06 through 2026-09-20; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-04-02 through 2024-04-02; source ID `msha-addresses`
- **Assessed Violations:** 8,475 rows; 2000-01-07 through 2026-07-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1,665 rows; 2000-08-23 through 2026-09-18; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 21,975 rows; 2000-01-04 through 2026-10-07; source ID `msha-coal-dust-samples`
- **Conferences:** 533 rows; 2000-02-22 through 2026-09-23; source ID `msha-conferences`
- **Contested Violations:** 1,621 rows; 2000-07-06 through 2026-07-30; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 11,190 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 2,417 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1974-01-01 through 2016-07-26; source ID `msha-controller-operator-history`
- **Inspections:** 3,375 rows; 2000-01-03 through 2026-10-08; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 424 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 108 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 843 rows; 2000-02-22 through 2026-09-29; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 482 rows; 2000-01-18 through 2026-09-16; source ID `msha-quartz-samples`
- **Violations:** 8,713 rows; 2000-01-07 through 2026-10-08; 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/cumberland-mine-3605018`
- JSON: `/api/v1/mines/cumberland-mine-3605018`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3605018/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3605018/relationships`
- MCP resource: `mine://3605018/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`