# Panther Mine

- **MSHA mine ID:** 0103104
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Tuscaloosa, AL
- **Operator:** Warrior Met Coal Land, LLC
- **Controller:** Warrior Met Coal Intermediate Holdco LLC
- **Public source rows linked:** 178
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Warrior Met Coal Intermediate Holdco LLC (0124421) → Warrior Met Coal Land, LLC (0144516) → Panther Mine (0103104)**

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

## Controller and operator valid-time history

- **Jerry M  Gaines → Tuscaloosa Resources Inc:** 1997-07-01 through 2007-08-30; derived from co-tenure at mine 0103104; source `msha-controller-operator-history`.
- **Walter Energy Incorporated → Tuscaloosa Resources Inc:** 2007-08-31 through 2016-03-30; derived from co-tenure at mine 0103104; source `msha-controller-operator-history`.
- **Warrior Met Coal Intermediate Holdco LLC → Warrior Met Coal Land, LLC:** 2016-03-31 through current/open; derived from co-tenure at mine 0103104; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 8
- 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 2 historical accident/injury rows; 0 coded fatalities and 232 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 13 violation rows across the full record; 4 carry an S&S flag and $1,057 appears in current assessed amounts.
3. **HEALTH — 92 samples:** Occupational health samples 76 coal dust; 6 coal quartz; 10 noise. 0 personal-sample rows have a published C/E ratio above 1; 2 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 — 0 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 28 inspection events and 197 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 77.410 — Mobile equipment; automatic warning devices.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 71.208 — Respirable dust samples; report to operator; posting.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-C/section-71.208
- **30 CFR 62.120 — Action level.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.120
- **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 71.400 — Bathing facilities; change rooms; sanitary flush toilet facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-E/section-71.400
- **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 77.404 — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2000-03-25 through 2000-05-09; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2002-04-09 through 2002-04-09; source ID `msha-addresses`
- **Assessed Violations:** 13 rows; 2000-01-31 through 2001-12-01; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 76 rows; 2000-01-31 through 2002-02-15; source ID `msha-coal-dust-samples`
- **Controller and Operator History:** 3 rows; 1997-07-01 through 2016-03-31; source ID `msha-controller-operator-history`
- **Inspections:** 28 rows; 2000-01-24 through 2002-04-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 19 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 6 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 10 rows; 2000-07-19 through 2001-12-03; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 6 rows; 2000-01-31 through 2001-12-03; source ID `msha-quartz-samples`
- **Violations:** 13 rows; 2000-01-31 through 2001-12-01; 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/panther-mine-0103104`
- JSON: `/api/v1/mines/panther-mine-0103104`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0103104/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0103104/relationships`
- MCP resource: `mine://0103104/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`