# Liberty Mine

- **MSHA mine ID:** 1202428
- **Status:** Active
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Warrick, IN
- **Operator:** Alcoa Fuels Inc.
- **Controller:** Alcoa Corporation
- **Public source rows linked:** 3,022
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alcoa Corporation (0167923) → Alcoa Fuels Inc. (0181714) → Liberty Mine (1202428)**

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

## Controller and operator valid-time history

- **Vigo Coal Company Incorporated → Vigo Coal Operating Company Inc:** 2009-11-25 through 2016-05-04; derived from co-tenure at mine 1202428; source `msha-controller-operator-history`.
- **White Stallion Energy → Vigo Coal Operating Company Inc:** 2016-05-05 through 2018-02-01; derived from co-tenure at mine 1202428; source `msha-controller-operator-history`.
- **White Stallion Energy → Vigo Coal Operating Company LLC:** 2018-02-02 through 2022-04-04; derived from co-tenure at mine 1202428; source `msha-controller-operator-history`.
- **Vigo Coal Company Incorporated → Vigo Coal Operating Company LLC:** 2018-02-02 through 2016-07-12; derived from co-tenure at mine 1202428; source `msha-controller-operator-history`.
- **Alcoa Corporation → Alcoa Fuels Inc.:** 2022-04-05 through current/open; derived from co-tenure at mine 1202428; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 13
- Interval anomalies: 1
- 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 — 1 since 2021:** Accidents and injuries 19 historical accident/injury rows; 0 coded fatalities and 645 lost days across the published record.
2. **COMPLIANCE — 41 since 2021:** Violations and penalties 107 violation rows across the full record; 31 carry an S&S flag and $43,893 appears in current assessed amounts.
3. **HEALTH — 388 samples:** Occupational health samples 294 coal dust; 32 coal quartz; 62 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 — 155K tons:** Quarterly production and employment 47K employee hours and 80 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 9 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 7 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 — 27 since 2021:** Inspections 81 inspection events and 3K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 485,144 short tons
- **Labor hours:** 57,873
- **Average employees:** 22
- **Coal supply region:** Illinois Basin
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.208 — Storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208
- **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 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 77.502 — Electric equipment; examination, testing, and maintenance.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **30 CFR 77.400 — Mechanical equipment guards.** (2 retained recent rows) — 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
- **30 CFR 77.1103 — Flammable liquids; storage.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103

## Source coverage

- **Accident, Injuries, and Illnesses:** 19 rows; 2014-03-11 through 2023-08-09; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-01-06 through 2026-01-06; source ID `msha-addresses`
- **Assessed Violations:** 103 rows; 2013-05-22 through 2026-07-06; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2016-01-20 through 2016-01-20; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 294 rows; 2013-08-27 through 2026-09-17; source ID `msha-coal-dust-samples`
- **Conferences:** 7 rows; 2014-08-04 through 2019-02-06; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2015-02-10 through 2015-02-10; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,734 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 433 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 2009-11-25 through 2022-04-05; source ID `msha-controller-operator-history`
- **Inspections:** 81 rows; 2010-03-22 through 2026-09-23; 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:** 28 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 62 rows; 2013-08-27 through 2026-07-22; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 32 rows; 2015-01-27 through 2026-09-16; source ID `msha-quartz-samples`
- **Violations:** 107 rows; 2013-05-22 through 2026-07-06; 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/liberty-mine-1202428`
- JSON: `/api/v1/mines/liberty-mine-1202428`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1202428/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1202428/relationships`
- MCP resource: `mine://1202428/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`