# Roundbottom Powellton Deep Mine

- **MSHA mine ID:** 4609163
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Boone, WV
- **Operator:** Elk Run Coal Company, LLC
- **Controller:** Alpha Metallurgical Resources Inc
- **Public source rows linked:** 11,011
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alpha Metallurgical Resources Inc (0127321) → Elk Run Coal Company, LLC (P11051) → Roundbottom Powellton Deep Mine (4609163)**

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, LLC:** 2006-09-06 through 2011-05-31; derived from co-tenure at mine 4609163; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Elk Run Coal Company, LLC:** 2011-06-01 through 2016-07-25; derived from co-tenure at mine 4609163; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Elk Run Coal Company, LLC:** 2016-07-26 through 2018-11-08; derived from co-tenure at mine 4609163; source `msha-controller-operator-history`.
- **Alpha Metallurgical Resources Inc → Elk Run Coal Company, LLC:** 2018-11-09 through current/open; derived from co-tenure at mine 4609163; 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 125 historical accident/injury rows; 0 coded fatalities and 2,004 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 2,240 violation rows across the full record; 503 carry an S&S flag and $3,514,577 appears in current assessed amounts.
3. **HEALTH — 3K samples:** Occupational health samples 2,914 coal dust; 117 coal quartz; 167 noise. 0 personal-sample rows have a published C/E ratio above 1; 33 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 — 1,706 linked rows:** Contests, conferences and decisions 816 contested-violation rows, 816 civil-penalty docket/decision rows, and 74 conference records linked by issuance number.
6. **CONTRACTORS — 5 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 94 inspection events and 18K 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 75.400 — Accumulation of combustible materials.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400
- **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 75.512 — Electric equipment; examination, testing and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512
- **30 CFR 75.517 — Power wires and cables; insulation and protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.517
- **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 75.1107-9 — Dry chemical devices; capacity; minimum requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1107-9
- **30 CFR 75.523-3 — Automatic emergency-parking brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.523-3

## Source coverage

- **Accident, Injuries, and Illnesses:** 125 rows; 2006-12-04 through 2016-06-13; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2017-11-29 through 2017-11-29; source ID `msha-addresses`
- **Assessed Violations:** 2,178 rows; 2006-12-12 through 2016-02-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 816 rows; 2008-02-14 through 2017-07-27; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 2,914 rows; 2004-06-09 through 2016-10-21; source ID `msha-coal-dust-samples`
- **Conferences:** 74 rows; 2007-05-16 through 2016-03-25; source ID `msha-conferences`
- **Contested Violations:** 816 rows; 2006-12-12 through 2015-11-12; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,107 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 219 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2006-09-06 through 2006-09-06; source ID `msha-controller-operator-history`
- **Inspections:** 94 rows; 2006-12-12 through 2017-11-02; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 114 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 24 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 167 rows; 2008-02-05 through 2016-01-27; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 117 rows; 2007-02-12 through 2015-11-18; source ID `msha-quartz-samples`
- **Violations:** 2,240 rows; 2006-12-12 through 2016-02-16; 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/roundbottom-powellton-deep-mine-4609163`
- JSON: `/api/v1/mines/roundbottom-powellton-deep-mine-4609163`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609163/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609163/relationships`
- MCP resource: `mine://4609163/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`