# Century Mine

- **MSHA mine ID:** 3301070
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Belmont, OH
- **Operator:** Belmont County Coal Resources, Inc.
- **Controller:** ACNR Holdings, Inc
- **Public source rows linked:** 29,253
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**ACNR Holdings, Inc (0157801) → Belmont County Coal Resources, Inc. (0173413) → Century Mine (3301070)**

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

## Controller and operator valid-time history

- **Panhandle Eastern Corp → Youghiogheny & Ohio Coal Company:** 1950-01-01 through 2000-11-05; derived from co-tenure at mine 3301070; source `msha-controller-operator-history`.
- **Robert E  Murray → American Energy Corporation:** 2000-11-06 through 2020-09-16; derived from co-tenure at mine 3301070; source `msha-controller-operator-history`.
- **ACNR Holdings, Inc → American Energy Corporation:** 2020-09-17 through 2020-09-16; derived from co-tenure at mine 3301070; source `msha-controller-operator-history`.
- **ACNR Holdings, Inc → Belmont County Coal Resources, Inc.:** 2020-09-17 through current/open; derived from co-tenure at mine 3301070; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 10
- 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 — 2 since 2021:** Accidents and injuries 719 historical accident/injury rows; 2 coded fatalities and 24,130 lost days across the published record.
2. **COMPLIANCE — 25 since 2021:** Violations and penalties 4,077 violation rows across the full record; 1,378 carry an S&S flag and $1,263,590 appears in current assessed amounts.
3. **HEALTH — 9K samples:** Occupational health samples 8,418 coal dust; 331 coal quartz; 588 noise. 0 personal-sample rows have a published C/E ratio above 1; 179 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 — 112K tons:** Quarterly production and employment 63K employee hours and 106 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 2,180 linked rows:** Contests, conferences and decisions 988 contested-violation rows, 1,007 civil-penalty docket/decision rows, and 185 conference records linked by issuance number.
6. **CONTRACTORS — 34 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 — 117 since 2021:** Inspections 1,853 inspection events and 70K 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 75.902 — Low- and medium-voltage ground check monitor circuits.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-J/section-75.902
- **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 75.1731 — Maintenance of belt conveyors and belt conveyor entries.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1731
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **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 77.404 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404

## Source coverage

- **Accident, Injuries, and Illnesses:** 719 rows; 2001-03-23 through 2022-05-25; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2022-07-30 through 2022-07-30; source ID `msha-addresses`
- **Assessed Violations:** 4,014 rows; 2001-06-07 through 2022-05-23; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1,007 rows; 2002-09-19 through 2020-09-09; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 8,418 rows; 2001-06-19 through 2022-03-31; source ID `msha-coal-dust-samples`
- **Conferences:** 185 rows; 2002-05-22 through 2019-04-01; source ID `msha-conferences`
- **Contested Violations:** 988 rows; 2003-11-24 through 2020-04-23; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 5,520 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1,125 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 2020-09-17; source ID `msha-controller-operator-history`
- **Inspections:** 1,853 rows; 2001-02-12 through 2022-07-19; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 335 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 87 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 588 rows; 2003-03-05 through 2021-12-01; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 331 rows; 2001-11-15 through 2022-02-22; source ID `msha-quartz-samples`
- **Violations:** 4,077 rows; 2001-06-07 through 2022-05-23; 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/century-mine-3301070`
- JSON: `/api/v1/mines/century-mine-3301070`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3301070/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3301070/relationships`
- MCP resource: `mine://3301070/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`