# Mammoth #2 Gas

- **MSHA mine ID:** 4609108
- **Status:** Abandoned
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Kanawha, WV
- **Operator:** Mammoth Coal Co.
- **Controller:** Alpha Metallurgical Resources Inc
- **Public source rows linked:** 3,705
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alpha Metallurgical Resources Inc (0127321) → Mammoth Coal Co. (P23835) → Mammoth #2 Gas (4609108)**

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

## Controller and operator valid-time history

- **Massey Energy Company → Mammoth Coal Co.:** 2005-06-21 through 2011-05-31; derived from co-tenure at mine 4609108; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Mammoth Coal Co.:** 2011-06-01 through 2016-07-25; derived from co-tenure at mine 4609108; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Mammoth Coal Co.:** 2016-07-26 through 2018-11-08; derived from co-tenure at mine 4609108; source `msha-controller-operator-history`.
- **Alpha Metallurgical Resources Inc → Mammoth Coal Co.:** 2018-11-09 through current/open; derived from co-tenure at mine 4609108; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 9
- 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 128 historical accident/injury rows; 0 coded fatalities and 698 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 643 violation rows across the full record; 219 carry an S&S flag and $1,123,223 appears in current assessed amounts.
3. **HEALTH — 558 samples:** Occupational health samples 481 coal dust; 24 coal quartz; 53 noise. 0 personal-sample rows have a published C/E ratio above 1; 4 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 — 335 linked rows:** Contests, conferences and decisions 160 contested-violation rows, 160 civil-penalty docket/decision rows, and 15 conference records linked by issuance number.
6. **CONTRACTORS — 7 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 233 inspection events and 7K 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 75.202 — Protection from falls of roof, face and ribs.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **30 CFR 75.364 — Weekly examination.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364
- **30 CFR 75.1200 — Mine map.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1200
- **30 CFR 75.1202-1 — Temporary notations, revisions, and supplements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1202-1
- **30 CFR 72.520 — Diesel equipment inventory.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-D/section-72.520
- **30 CFR 75.323 — Actions for excessive methane.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.323
- **30 CFR 75.1504 — Mine emergency evacuation training and drills.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-P/section-75.1504
- **30 CFR 48.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-A/section-48.9

## Source coverage

- **Accident, Injuries, and Illnesses:** 128 rows; 2005-09-08 through 2013-06-14; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2014-03-26 through 2014-03-26; source ID `msha-addresses`
- **Assessed Violations:** 587 rows; 2005-09-15 through 2013-07-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 160 rows; 2008-07-24 through 2014-11-07; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 481 rows; 2007-10-29 through 2012-01-20; source ID `msha-coal-dust-samples`
- **Conferences:** 15 rows; 2007-04-02 through 2012-08-31; source ID `msha-conferences`
- **Contested Violations:** 160 rows; 2007-07-23 through 2012-04-11; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 887 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 189 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2005-06-21 through 2005-06-21; source ID `msha-controller-operator-history`
- **Inspections:** 233 rows; 2005-09-15 through 2014-03-26; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 113 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 26 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 53 rows; 2007-11-09 through 2013-06-11; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 24 rows; 2007-11-13 through 2011-06-22; source ID `msha-quartz-samples`
- **Violations:** 643 rows; 2005-09-15 through 2013-07-30; 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/mammoth-2-gas-4609108`
- JSON: `/api/v1/mines/mammoth-2-gas-4609108`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609108/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609108/relationships`
- MCP resource: `mine://4609108/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`