# Caballo Mine

- **MSHA mine ID:** 4801034
- **Status:** Active
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Campbell, WY
- **Operator:** Peabody Caballo Mining, LLC
- **Controller:** Peabody Energy Corporation
- **Public source rows linked:** 11,060
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Peabody Energy Corporation (C15833) → Peabody Caballo Mining, LLC (P24177) → Caballo Mine (4801034)**

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

## Controller and operator valid-time history

- **Exxon Mobil Corp → Carter Mining Company:** 1975-09-01 through 1994-10-31; derived from co-tenure at mine 4801034; source `msha-controller-operator-history`.
- **Hanson PLC → Caballo Coal Company:** 1994-11-01 through 1998-05-18; derived from co-tenure at mine 4801034; source `msha-controller-operator-history`.
- **Peabody Energy Corporation → Peabody Caballo Mining, LLC:** 1998-05-19 through current/open; derived from co-tenure at mine 4801034; source `msha-controller-operator-history`.

- History rows: 3
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 27 since 2021:** Accidents and injuries 187 historical accident/injury rows; 0 coded fatalities and 3,389 lost days across the published record.
2. **COMPLIANCE — 166 since 2021:** Violations and penalties 487 violation rows across the full record; 79 carry an S&S flag and $175,018 appears in current assessed amounts.
3. **HEALTH — 960 samples:** Occupational health samples 680 coal dust; 57 coal quartz; 223 noise. 0 personal-sample rows have a published C/E ratio above 1; 28 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 — 6.7M tons:** Quarterly production and employment 144K employee hours and 288 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 40 linked rows:** Contests, conferences and decisions 16 contested-violation rows, 16 civil-penalty docket/decision rows, and 8 conference records linked by issuance number.
6. **CONTRACTORS — 39 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 — 20 since 2021:** Inspections 137 inspection events and 8K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 10,788,438 short tons
- **Labor hours:** 363,780
- **Average employees:** 172
- **Coal supply region:** Powder River Basin
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 77.205 — Travelways at surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **30 CFR 77.513 — Insulating mats at power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.513
- **30 CFR 77.1103 — Flammable liquids; storage.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103
- **30 CFR 77.808 — Disconnecting devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-I/section-77.808
- **30 CFR 77.1702 — Arrangements for emergency medical assistance and transportation for injured persons; reporting requirements; posting requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1702
- **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 77.1104 — Accumulations of combustible materials.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104

## Source coverage

- **Accident, Injuries, and Illnesses:** 187 rows; 2000-01-13 through 2026-07-31; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1981-10-01 through 1981-10-01; source ID `msha-addresses`
- **Assessed Violations:** 480 rows; 2001-06-24 through 2026-08-28; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 16 rows; 2010-03-11 through 2020-12-19; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 680 rows; 2000-02-23 through 2026-09-21; source ID `msha-coal-dust-samples`
- **Conferences:** 8 rows; 2002-10-22 through 2025-03-13; source ID `msha-conferences`
- **Contested Violations:** 16 rows; 2008-07-31 through 2020-02-12; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 7,201 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1,456 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1975-09-01 through 1998-05-19; source ID `msha-controller-operator-history`
- **Inspections:** 137 rows; 2000-02-22 through 2026-08-04; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 36 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 71 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 223 rows; 2000-02-23 through 2026-08-20; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 57 rows; 2001-01-04 through 2026-02-24; source ID `msha-quartz-samples`
- **Violations:** 487 rows; 2001-06-24 through 2026-09-01; 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/caballo-mine-4801034`
- JSON: `/api/v1/mines/caballo-mine-4801034`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4801034/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4801034/relationships`
- MCP resource: `mine://4801034/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`