# McDonald Fork Impoundment

- **MSHA mine ID:** 4602446
- **Status:** NonProducing
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Wyoming, WV
- **Operator:** CM Energy Operations LP
- **Controller:** David Michael  Jamison; Petri E Koivula
- **Public source rows linked:** 604
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**David Michael  Jamison; Petri E Koivula (0170221) → CM Energy Operations LP (0149793) → McDonald Fork Impoundment (4602446)**

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

## Controller and operator valid-time history

- **Occidental Petroleum Corp → Laurel Run Mining Company:** 1950-01-01 through 1993-06-30; derived from co-tenure at mine 4602446; source `msha-controller-operator-history`.
- **CONSOL Energy Inc → Laurel Run Mining Company:** 1993-07-01 through 2004-09-02; derived from co-tenure at mine 4602446; source `msha-controller-operator-history`.
- **James C  Justice II et al → Dynamic Energy Inc:** 2004-09-03 through 2009-05-06; derived from co-tenure at mine 4602446; source `msha-controller-operator-history`.
- **Mechel Oao → Dynamic Energy Inc:** 2009-05-07 through 2015-02-11; derived from co-tenure at mine 4602446; source `msha-controller-operator-history`.
- **James C  Justice II et al → Dynamic Energy Inc:** 2015-02-12 through 2017-03-27; derived from co-tenure at mine 4602446; source `msha-controller-operator-history`.
- **Scott  Kiscaden → CM Energy Operations LP:** 2017-03-28 through 2025-10-02; derived from co-tenure at mine 4602446; source `msha-controller-operator-history`.
- **David Michael  Jamison et al → CM Energy Operations LP:** 2025-10-03 through current/open; derived from co-tenure at mine 4602446; source `msha-controller-operator-history`.
- **Petri E Koivula et al → CM Energy Operations LP:** 2025-10-03 through current/open; derived from co-tenure at mine 4602446; source `msha-controller-operator-history`.

- History rows: 8
- Typed edges: 19
- 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 5 historical accident/injury rows; 0 coded fatalities and 16 lost days across the published record.
2. **COMPLIANCE — 3 since 2021:** Violations and penalties 58 violation rows across the full record; 16 carry an S&S flag and $8,231 appears in current assessed amounts.
3. **HEALTH — 7 samples:** Occupational health samples 5 coal dust; 1 coal quartz; 1 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 — 56 linked rows:** Contests, conferences and decisions 27 contested-violation rows, 27 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 — 43 since 2021:** Inspections 119 inspection events and 1K 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 77.216-3 — Water, sediment, or slurry impoundments and impounding structures; inspection requirements; correction of hazards; program requirements.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216-3
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 48.23 — Training plans; time of submission; where filed; information required; time for approval; method for disapproval; commencement of training; approval of instructors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.23
- **30 CFR 77.216-4 — Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216-4
- **30 CFR 77.200 — Surface installations; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.200
- **30 CFR 77.216 — Water, sediment, or slurry impoundments and impounding structures; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216
- **30 CFR 77.502-2 — Electric equipment; frequency of examination and testing.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502-2

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2017-01-28 through 2017-04-15; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2003-12-02 through 2003-12-02; source ID `msha-addresses`
- **Assessed Violations:** 54 rows; 2004-10-18 through 2021-07-27; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 27 rows; 2010-02-04 through 2015-02-26; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 5 rows; 2020-11-10 through 2021-07-19; source ID `msha-coal-dust-samples`
- **Conferences:** 2 rows; 2005-06-03 through 2005-09-27; source ID `msha-conferences`
- **Contested Violations:** 27 rows; 2007-12-14 through 2014-06-23; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 112 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 18 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 8 rows; 1950-01-01 through 2017-03-28; source ID `msha-controller-operator-history`
- **Inspections:** 119 rows; 2000-03-20 through 2026-09-23; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 158 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 7 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 1 rows; 2021-03-24 through 2021-03-24; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 1 rows; 2021-03-24 through 2021-03-24; source ID `msha-quartz-samples`
- **Violations:** 58 rows; 2004-10-18 through 2026-09-23; 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/mcdonald-fork-impoundment-4602446`
- JSON: `/api/v1/mines/mcdonald-fork-impoundment-4602446`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4602446/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4602446/relationships`
- MCP resource: `mine://4602446/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`