# Castle East Portal

- **MSHA mine ID:** 4608923
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Boone, WV
- **Operator:** Elk Run Coal Company Inc
- **Controller:** Alpha Metallurgical Resources Inc
- **Public source rows linked:** 1,677
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Alpha Metallurgical Resources Inc (0127321) → Elk Run Coal Company Inc (P11051) → Castle East Portal (4608923)**

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

## Controller and operator valid-time history

- **Massey Energy Company → Elk Run Coal Company Inc:** 2001-09-01 through 2011-05-31; derived from co-tenure at mine 4608923; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Elk Run Coal Company Inc:** 2011-06-01 through 2016-07-25; derived from co-tenure at mine 4608923; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Elk Run Coal Company Inc:** 2016-07-26 through 2018-11-08; derived from co-tenure at mine 4608923; source `msha-controller-operator-history`.
- **Alpha Metallurgical Resources Inc → Elk Run Coal Company Inc:** 2018-11-09 through current/open; derived from co-tenure at mine 4608923; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 9
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 25 historical accident/injury rows; 0 coded fatalities and 352 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 287 violation rows across the full record; 72 carry an S&S flag and $93,087 appears in current assessed amounts.
3. **HEALTH — 677 samples:** Occupational health samples 636 coal dust; 36 coal quartz; 5 noise. 0 personal-sample rows have a published C/E ratio above 1; 2 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 — 240 linked rows:** Contests, conferences and decisions 95 contested-violation rows, 96 civil-penalty docket/decision rows, and 49 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 0 since 2021:** Inspections 48 inspection events and 3K 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 75.364 — Weekly examination.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364
- **30 CFR 72.630 — Drill dust control at underground areas of underground mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-E/section-72.630
- **30 CFR 75.604 — Permanent splicing of trailing cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.604
- **30 CFR 75.360 — Preshift examination at fixed intervals.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.360
- **30 CFR 75.208 — Warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.208
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 25 rows; 2003-03-18 through 2008-06-22; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2012-06-26 through 2012-06-26; source ID `msha-addresses`
- **Assessed Violations:** 282 rows; 2003-01-21 through 2008-12-04; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 96 rows; 2004-10-19 through 2012-07-10; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 636 rows; 2000-10-06 through 2008-11-14; source ID `msha-coal-dust-samples`
- **Conferences:** 49 rows; 2004-01-14 through 2008-01-02; source ID `msha-conferences`
- **Contested Violations:** 95 rows; 2006-06-20 through 2008-09-23; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 86 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 13 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2001-09-01 through 2001-09-01; source ID `msha-controller-operator-history`
- **Inspections:** 48 rows; 2002-12-09 through 2012-05-21; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 1 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 12 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 5 rows; 2008-01-29 through 2008-01-29; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 36 rows; 2003-03-05 through 2008-09-23; source ID `msha-quartz-samples`
- **Violations:** 287 rows; 2003-01-21 through 2008-12-04; 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/castle-east-portal-4608923`
- JSON: `/api/v1/mines/castle-east-portal-4608923`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4608923/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4608923/relationships`
- MCP resource: `mine://4608923/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`