# Keystone No 2 Plant

- **MSHA mine ID:** 4603158
- **Status:** Abandoned
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Wyoming, WV
- **Operator:** Herndon Processing Company LLC
- **Controller:** Alpha Natural Resources, Inc.
- **Public source rows linked:** 1,461
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Alpha Natural Resources, Inc. (0041211) → Herndon Processing Company LLC (0051178) → Keystone No 2 Plant (4603158)**

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

## Controller and operator valid-time history

- **Eastern Gas & Fuel Association → Eastern Associated Coal Corp:** 1950-01-01 through 1986-08-20; derived from co-tenure at mine 4603158; source `msha-controller-operator-history`.
- **Kennie Ray  Childers → Genoa Coal Company Inc:** 1986-08-21 through 1987-09-10; derived from co-tenure at mine 4603158; source `msha-controller-operator-history`.
- **Bruce R  Davis → Benafuels Inc:** 1987-09-11 through 1990-08-08; derived from co-tenure at mine 4603158; source `msha-controller-operator-history`.
- **American Metals & Coal International Inc → Herndon Processing Company:** 1990-08-09 through 2003-03-10; derived from co-tenure at mine 4603158; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Herndon Processing Company LLC:** 2003-03-11 through current/open; derived from co-tenure at mine 4603158; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 15
- 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 6 historical accident/injury rows; 0 coded fatalities and 587 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 130 violation rows across the full record; 51 carry an S&S flag and $9,784 appears in current assessed amounts.
3. **HEALTH — 191 samples:** Occupational health samples 133 coal dust; 36 coal quartz; 22 noise. 0 personal-sample rows have a published C/E ratio above 1; 5 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 10K employee hours and 21 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 6 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 6 conference records linked by issuance number.
6. **CONTRACTORS — 11 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 50 inspection events and 1K 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 77.1605 — 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
- **30 CFR 77.1103 — Flammable liquids; storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.1109 — Quantity and location of firefighting equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109
- **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
- **30 CFR 77.400 — Mechanical equipment guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **30 CFR 48.29 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.29
- **30 CFR 48.31 — Hazard training.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.31

## Source coverage

- **Accident, Injuries, and Illnesses:** 6 rows; 2001-01-03 through 2003-11-07; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2014-04-08 through 2014-04-08; source ID `msha-addresses`
- **Assessed Violations:** 130 rows; 2000-03-30 through 2009-04-13; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 133 rows; 2000-01-19 through 2005-12-19; source ID `msha-coal-dust-samples`
- **Conferences:** 6 rows; 2001-09-07 through 2004-12-21; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 763 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 135 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 2003-03-11; source ID `msha-controller-operator-history`
- **Inspections:** 50 rows; 2000-03-30 through 2014-04-08; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 24 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 19 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 22 rows; 2000-05-18 through 2005-03-08; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 36 rows; 2000-05-18 through 2005-08-02; source ID `msha-quartz-samples`
- **Violations:** 130 rows; 2000-03-30 through 2009-04-13; 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/keystone-no-2-plant-4603158`
- JSON: `/api/v1/mines/keystone-no-2-plant-4603158`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4603158/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4603158/relationships`
- MCP resource: `mine://4603158/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`