# Monongalia County Mine

- **MSHA mine ID:** 4601968
- **Status:** NonProducing
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Monongalia, WV
- **Operator:** Monongalia County Coal Resources, Inc.
- **Controller:** ACNR Holdings, Inc
- **Public source rows linked:** 56,940
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**ACNR Holdings, Inc (0157801) → Monongalia County Coal Resources, Inc. (0173415) → Monongalia County Mine (4601968)**

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 4601968; source `msha-controller-operator-history`.
- **Robert E  Murray → Consolidation Coal Company:** 2013-12-05 through 2016-01-03; derived from co-tenure at mine 4601968; source `msha-controller-operator-history`.
- **Robert E  Murray → The Monongalia County Coal Company:** 2016-01-04 through 2020-09-16; derived from co-tenure at mine 4601968; source `msha-controller-operator-history`.
- **ACNR Holdings, Inc → The Monongalia County Coal Company:** 2020-09-17 through 2020-09-16; derived from co-tenure at mine 4601968; source `msha-controller-operator-history`.
- **ACNR Holdings, Inc → Monongalia County Coal Resources, Inc.:** 2020-09-17 through current/open; derived from co-tenure at mine 4601968; 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 13 since 2021:** Accidents and injuries 944 historical accident/injury rows; 2 coded fatalities and 45,528 lost days across the published record.
2. **COMPLIANCE — 336 since 2021:** Violations and penalties 12,490 violation rows across the full record; 3,211 carry an S&S flag and $7,037,932 appears in current assessed amounts.
3. **HEALTH — 10K samples:** Occupational health samples 9,190 coal dust; 258 coal quartz; 782 noise. 0 personal-sample rows have a published C/E ratio above 1; 293 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 — 1.4M tons:** Quarterly production and employment 223K employee hours and 433 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 7,962 linked rows:** Contests, conferences and decisions 2,721 contested-violation rows, 2,850 civil-penalty docket/decision rows, and 2,391 conference records linked by issuance number.
6. **CONTRACTORS — 58 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 — 105 since 2021:** Inspections 2,548 inspection events and 116K 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.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216-3
- **30 CFR 77.1607 — Loading and haulage equipment; operation.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607
- **30 CFR 77.400 — Mechanical equipment guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **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 77.1110 — Examination and maintenance of firefighting equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 944 rows; 2000-01-11 through 2022-06-09; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2021-08-09 through 2021-08-09; source ID `msha-addresses`
- **Assessed Violations:** 12,327 rows; 2000-01-05 through 2026-02-02; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2,850 rows; 2000-06-06 through 2024-08-29; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 9,190 rows; 2000-01-10 through 2021-06-16; source ID `msha-coal-dust-samples`
- **Conferences:** 2,391 rows; 2000-04-20 through 2025-08-05; source ID `msha-conferences`
- **Contested Violations:** 2,721 rows; 2000-09-15 through 2023-10-10; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 8,629 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1,656 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:** 2,548 rows; 2000-01-03 through 2026-07-30; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 48 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 99 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 782 rows; 2000-01-05 through 2020-09-16; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 258 rows; 2000-02-02 through 2021-04-02; source ID `msha-quartz-samples`
- **Violations:** 12,490 rows; 2000-01-05 through 2026-02-02; 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/monongalia-county-mine-4601968`
- JSON: `/api/v1/mines/monongalia-county-mine-4601968`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4601968/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4601968/relationships`
- MCP resource: `mine://4601968/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`