# Roxana Prep Plant

- **MSHA mine ID:** 1511121
- **Status:** NonProducing
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Letcher, KY
- **Operator:** Kingdom Coal, LLC
- **Controller:** Michael  Blubaugh
- **Public source rows linked:** 3,222
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Michael  Blubaugh (0158841) → Kingdom Coal, LLC (0148393) → Roxana Prep Plant (1511121)**

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

## Controller and operator valid-time history

- **Howell Corporation → Lake Coal Company Inc:** 1978-03-01 through 1989-04-03; derived from co-tenure at mine 1511121; source `msha-controller-operator-history`.
- **El Paso Energy Corp → Coastal Coal Company, LLC:** 1989-04-04 through 2003-01-31; derived from co-tenure at mine 1511121; source `msha-controller-operator-history`.
- **Alpha Natural Resources, Inc. → Enterprise Mining Company LLC:** 2003-02-01 through 2016-07-25; derived from co-tenure at mine 1511121; source `msha-controller-operator-history`.
- **Amfire LLC → Enterprise Mining Company LLC:** 2003-02-01 through 2003-01-31; derived from co-tenure at mine 1511121; source `msha-controller-operator-history`.
- **Alpha Natural Resources Holdings, Inc → Enterprise Mining Company LLC:** 2016-07-26 through 2016-10-12; derived from co-tenure at mine 1511121; source `msha-controller-operator-history`.
- **Douglas  Warriner → Kingdom Coal, LLC:** 2016-10-13 through 2018-08-15; derived from co-tenure at mine 1511121; source `msha-controller-operator-history`.
- **Douglas S  Warriner et al → Kingdom Coal, LLC:** 2018-08-16 through 2020-07-11; derived from co-tenure at mine 1511121; source `msha-controller-operator-history`.
- **Michael A  Blubaugh et al → Kingdom Coal, LLC:** 2018-08-16 through 2020-07-11; derived from co-tenure at mine 1511121; source `msha-controller-operator-history`.
- **Michael  Blubaugh → Kingdom Coal, LLC:** 2020-07-12 through current/open; derived from co-tenure at mine 1511121; source `msha-controller-operator-history`.

- History rows: 9
- Typed edges: 21
- 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 — 0 since 2021:** Accidents and injuries 18 historical accident/injury rows; 0 coded fatalities and 404 lost days across the published record.
2. **COMPLIANCE — 8 since 2021:** Violations and penalties 258 violation rows across the full record; 72 carry an S&S flag and $26,215 appears in current assessed amounts.
3. **HEALTH — 553 samples:** Occupational health samples 377 coal dust; 57 coal quartz; 119 noise. 0 personal-sample rows have a published C/E ratio above 1; 23 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 13K employee hours and 36 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 21 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 — 15 since 2021:** Inspections 219 inspection events and 6K 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 71.403 — Waiver of surface facilities requirements; posting of waiver.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-E/section-71.403
- **30 CFR 77.216 — Water, sediment, or slurry impoundments and impounding structures; general.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216
- **30 CFR 72.100 — Periodic examinations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-B/section-72.100
- **30 CFR 48.23 — Training plans; time of submission; where filed; information required; time for approval; method for disapproval; commencement of training; approval of instructors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.23
- **30 CFR 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **30 CFR 77.216-3 — Water, sediment, or slurry impoundments and impounding structures; inspection requirements; correction of hazards; program requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.216-3
- **30 CFR 77.1713 — Daily inspection of surface coal mine; certified person; reports of inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1713
- **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:** 18 rows; 2000-01-11 through 2014-05-02; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2021-02-02 through 2021-02-02; source ID `msha-addresses`
- **Assessed Violations:** 257 rows; 2000-09-13 through 2025-05-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2012-06-05 through 2012-06-05; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 377 rows; 2000-02-29 through 2019-08-21; source ID `msha-coal-dust-samples`
- **Conferences:** 2 rows; 2007-01-03 through 2021-01-26; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2011-07-06 through 2011-07-06; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,529 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 326 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 9 rows; 1978-03-01 through 2016-10-13; source ID `msha-controller-operator-history`
- **Inspections:** 219 rows; 2000-02-29 through 2026-10-07; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 13 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 34 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 119 rows; 2000-03-28 through 2018-12-12; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 57 rows; 2000-03-28 through 2019-05-01; source ID `msha-quartz-samples`
- **Violations:** 258 rows; 2000-09-13 through 2025-05-16; 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/roxana-prep-plant-1511121`
- JSON: `/api/v1/mines/roxana-prep-plant-1511121`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1511121/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1511121/relationships`
- MCP resource: `mine://1511121/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`