# Diablo #4

- **MSHA mine ID:** 1519925
- **Status:** Temporarily Idled
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Breathitt, KY
- **Operator:** Liberty Management, LLC.
- **Controller:** Steve  Allen; Philip  Marsh
- **Public source rows linked:** 314
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Steve  Allen; Philip  Marsh (0116941) → Liberty Management, LLC. (0137473) → Diablo #4 (1519925)**

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

## Controller and operator valid-time history

- **Philip  Marsh et al → Liberty Management, LLC.:** 2022-08-19 through current/open; derived from co-tenure at mine 1519925; source `msha-controller-operator-history`.
- **Steve  Allen et al → Liberty Management, LLC.:** 2022-08-19 through current/open; derived from co-tenure at mine 1519925; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 4
- 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 — 1 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 166 lost days across the published record.
2. **COMPLIANCE — 26 since 2021:** Violations and penalties 26 violation rows across the full record; 12 carry an S&S flag and $5,314 appears in current assessed amounts.
3. **HEALTH — 147 samples:** Occupational health samples 90 coal dust; 18 coal quartz; 39 noise. 0 personal-sample rows have a published C/E ratio above 1; 0 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 — 24 linked rows:** Contests, conferences and decisions 12 contested-violation rows, 12 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 17 since 2021:** Inspections 17 inspection events and 966 published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 134,532 short tons
- **Labor hours:** 79,582
- **Average employees:** 32
- **Coal supply region:** Appalachia Central
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.1007 — Drilling; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-K/section-77.1007
- **30 CFR 72.620 — Drill dust control at surface mines and surface areas of underground mines.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-E/section-72.620
- **30 CFR 77.1104 — Accumulations of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.1000 — Highwalls, pits and spoil banks; plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-K/section-77.1000
- **30 CFR 77.1607 — Loading and haulage equipment; operation.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607
- **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 77.404 — 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:** 1 rows; 2024-10-24 through 2024-10-24; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-03-13 through 2026-03-13; source ID `msha-addresses`
- **Assessed Violations:** 26 rows; 2022-09-14 through 2024-11-25; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 12 rows; 2024-08-12 through 2025-09-22; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 90 rows; 2022-09-15 through 2025-03-21; source ID `msha-coal-dust-samples`
- **Contested Violations:** 12 rows; 2023-12-18 through 2024-11-25; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 38 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 10 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2022-08-19 through 2022-08-19; source ID `msha-controller-operator-history`
- **Inspections:** 17 rows; 2022-08-30 through 2026-09-15; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 16 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 5 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 39 rows; 2022-09-15 through 2025-02-05; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 18 rows; 2022-12-06 through 2025-02-05; source ID `msha-quartz-samples`
- **Violations:** 26 rows; 2022-09-14 through 2024-11-25; 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/diablo-4-1519925`
- JSON: `/api/v1/mines/diablo-4-1519925`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1519925/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1519925/relationships`
- MCP resource: `mine://1519925/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`