# OHIO COUNTY MINE

- **MSHA mine ID:** 4601436
- **Status:** Active
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Marshall, WV
- **Operator:** OHIO COUNTY COAL RESOURCES, INC.
- **Controller:** ACNR Holdings, Inc
- **Public source rows linked:** 58,617
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**ACNR Holdings, Inc (0157801) → OHIO COUNTY COAL RESOURCES, INC. (0173534) → OHIO COUNTY MINE (4601436)**

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

## Controller and operator valid-time history

- **CONSOL Energy Inc → Consolidation Coal Company:** 1950-01-01 through 2013-12-04; derived from co-tenure at mine 4601436; source `msha-controller-operator-history`.
- **Robert E  Murray → Consolidation Coal Company:** 2013-12-05 through 2016-01-03; derived from co-tenure at mine 4601436; source `msha-controller-operator-history`.
- **Robert E  Murray → The Ohio County Coal Company:** 2016-01-04 through 2020-09-16; derived from co-tenure at mine 4601436; source `msha-controller-operator-history`.
- **ACNR Holdings, Inc → The Ohio County Coal Company:** 2020-09-17 through 2020-09-16; derived from co-tenure at mine 4601436; source `msha-controller-operator-history`.
- **ACNR Holdings, Inc → Ohio County Coal Resources, Inc.:** 2020-09-17 through current/open; derived from co-tenure at mine 4601436; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 12
- 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 — 293 since 2021:** Accidents and injuries 902 historical accident/injury rows; 4 coded fatalities and 44,642 lost days across the published record.
2. **COMPLIANCE — 2,017 since 2021:** Violations and penalties 11,785 violation rows across the full record; 3,308 carry an S&S flag and $5,760,498 appears in current assessed amounts.
3. **HEALTH — 15K samples:** Occupational health samples 13,514 coal dust; 325 coal quartz; 785 noise. 0 personal-sample rows have a published C/E ratio above 1; 242 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 — 1.8M tons:** Quarterly production and employment 306K employee hours and 474 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 6,202 linked rows:** Contests, conferences and decisions 2,277 contested-violation rows, 2,284 civil-penalty docket/decision rows, and 1,641 conference records linked by issuance number.
6. **CONTRACTORS — 54 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 — 647 since 2021:** Inspections 2,742 inspection events and 138K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 5,558,609 short tons
- **Labor hours:** 1,055,730
- **Average employees:** 432
- **Coal supply region:** Appalachia Northern
- **Union code:** United Mine Workers Of America
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 75.904 — Identification of circuit breakers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-J/section-75.904
- **30 CFR 75.807 — Installation of high-voltage transmission cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-I/section-75.807
- **30 CFR 75.1403 — Other safeguards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403
- **30 CFR 75.364 — Weekly examination.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **30 CFR 75.1403-5 — Criteria—Belt conveyors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403-5
- **30 CFR 75.400 — Accumulation of combustible materials.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400
- **30 CFR 75.333 — Ventilation controls.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333
- **30 CFR 75.1403-8 — Criteria—Track haulage roads.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403-8

## Source coverage

- **Accident, Injuries, and Illnesses:** 902 rows; 2000-01-03 through 2026-09-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2002-08-30 through 2002-08-30; source ID `msha-addresses`
- **Assessed Violations:** 11,657 rows; 2000-01-03 through 2026-09-03; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2,284 rows; 2000-09-05 through 2026-06-11; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 13,514 rows; 2000-01-12 through 2026-09-29; source ID `msha-coal-dust-samples`
- **Conferences:** 1,641 rows; 2000-02-03 through 2026-02-02; source ID `msha-conferences`
- **Contested Violations:** 2,277 rows; 2004-05-19 through 2026-04-15; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 8,354 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1,812 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 2020-09-17; source ID `msha-controller-operator-history`
- **Inspections:** 2,742 rows; 2000-01-03 through 2026-10-06; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 424 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 108 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 785 rows; 2000-02-03 through 2026-09-09; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 325 rows; 2000-02-22 through 2026-08-25; source ID `msha-quartz-samples`
- **Violations:** 11,785 rows; 2000-01-03 through 2026-10-07; 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/ohio-county-mine-4601436`
- JSON: `/api/v1/mines/ohio-county-mine-4601436`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4601436/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4601436/relationships`
- MCP resource: `mine://4601436/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`