# Eagle Butte Mine

- **MSHA mine ID:** 4801078
- **Status:** Active
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Campbell, WY
- **Operator:** Eagle Specialty Materials LLC
- **Controller:** Petri E Koivula
- **Public source rows linked:** 12,170
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Petri E Koivula (0202403) → Eagle Specialty Materials LLC (0167273) → Eagle Butte Mine (4801078)**

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

## Controller and operator valid-time history

- **Cyprus Amax Minerals Company → Amax Coal West Inc:** 1976-06-01 through 1999-06-29; derived from co-tenure at mine 4801078; source `msha-controller-operator-history`.
- **Rag Aktiengesellschaft → Alpha Coal West, Inc.:** 1999-06-30 through 2004-07-29; derived from co-tenure at mine 4801078; source `msha-controller-operator-history`.
- **Foundation Coal Corporation → Alpha Coal West, Inc.:** 2004-07-30 through 2009-07-30; derived from co-tenure at mine 4801078; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Alpha Coal West, Inc.:** 2009-07-31 through 2016-07-25; derived from co-tenure at mine 4801078; source `msha-controller-operator-history`.
- **Alpha Metallurgical Resources Inc → Contura Coal West LLC:** 2016-07-26 through 2017-12-08; derived from co-tenure at mine 4801078; source `msha-controller-operator-history`.
- **Jeffery A  Hoops → Blackjewel LLC:** 2017-12-09 through 2019-10-17; derived from co-tenure at mine 4801078; source `msha-controller-operator-history`.
- **Michael T  Costello → Eagle Specialty Materials LLC:** 2019-10-18 through 2020-08-10; derived from co-tenure at mine 4801078; source `msha-controller-operator-history`.
- **Petri E Koivula et al → Eagle Specialty Materials LLC:** 2020-08-11 through 2023-05-17; derived from co-tenure at mine 4801078; source `msha-controller-operator-history`.
- **Mike  Jamison et al → Eagle Specialty Materials LLC:** 2020-08-11 through 2023-05-17; derived from co-tenure at mine 4801078; source `msha-controller-operator-history`.
- **John  McNab et al → Eagle Specialty Materials LLC:** 2020-08-11 through 2023-05-17; derived from co-tenure at mine 4801078; source `msha-controller-operator-history`.
- **Petri E Koivula et al → Eagle Specialty Materials LLC:** 2023-05-18 through 2026-08-11; derived from co-tenure at mine 4801078; source `msha-controller-operator-history`.
- **David Michael  Jamison et al → Eagle Specialty Materials LLC:** 2023-05-18 through 2026-08-11; derived from co-tenure at mine 4801078; source `msha-controller-operator-history`.
- **Petri E Koivula → Eagle Specialty Materials LLC:** 2026-08-12 through current/open; derived from co-tenure at mine 4801078; source `msha-controller-operator-history`.

- History rows: 13
- Typed edges: 28
- 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 — 20 since 2021:** Accidents and injuries 155 historical accident/injury rows; 0 coded fatalities and 3,963 lost days across the published record.
2. **COMPLIANCE — 145 since 2021:** Violations and penalties 596 violation rows across the full record; 111 carry an S&S flag and $375,439 appears in current assessed amounts.
3. **HEALTH — 846 samples:** Occupational health samples 642 coal dust; 33 coal quartz; 171 noise. 0 personal-sample rows have a published C/E ratio above 1; 13 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 — 2.4M tons:** Quarterly production and employment 101K employee hours and 229 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 89 linked rows:** Contests, conferences and decisions 35 contested-violation rows, 37 civil-penalty docket/decision rows, and 17 conference records linked by issuance number.
6. **CONTRACTORS — 38 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 144 inspection events and 8K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 11,035,284 short tons
- **Labor hours:** 500,588
- **Average employees:** 272
- **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 77.202 — Dust accumulations in surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.202
- **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 77.404 — Machinery and equipment; operation and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **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 77.604 — Protection of trailing cables.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-G/section-77.604
- **30 CFR 77.514 — Switchboards; passageways and clearance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.514
- **30 CFR 77.904 — Identification of circuit breakers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-J/section-77.904
- **30 CFR 77.512 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.512
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 155 rows; 2000-07-02 through 2025-12-17; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2019-07-05 through 2019-07-05; source ID `msha-addresses`
- **Assessed Violations:** 591 rows; 2001-07-02 through 2026-07-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 37 rows; 2004-08-05 through 2023-06-15; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 642 rows; 2000-08-01 through 2026-08-04; source ID `msha-coal-dust-samples`
- **Conferences:** 17 rows; 2001-09-05 through 2023-01-03; source ID `msha-conferences`
- **Contested Violations:** 35 rows; 2004-03-20 through 2022-09-06; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 7,675 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1,660 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 13 rows; 1976-06-01 through 2019-10-18; source ID `msha-controller-operator-history`
- **Inspections:** 144 rows; 2000-05-10 through 2026-07-17; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 318 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 171 rows; 2001-01-24 through 2026-06-23; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 33 rows; 2002-09-16 through 2026-06-23; source ID `msha-quartz-samples`
- **Violations:** 596 rows; 2000-05-18 through 2026-07-30; 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/eagle-butte-mine-4801078`
- JSON: `/api/v1/mines/eagle-butte-mine-4801078`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4801078/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4801078/relationships`
- MCP resource: `mine://4801078/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`