# Prep Plant

- **MSHA mine ID:** 1511545
- **Status:** Temporarily Idled
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Pike, KY
- **Operator:** Landmark Mining Company Inc
- **Controller:** Kevin  Ratliff
- **Public source rows linked:** 1,315
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Kevin  Ratliff (0148921) → Landmark Mining Company Inc (P08667) → Prep Plant (1511545)**

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

## Controller and operator valid-time history

- **Thomas B  Ratliff → Landmark Mining Company Inc:** 1978-09-01 through 2019-06-19; derived from co-tenure at mine 1511545; source `msha-controller-operator-history`.
- **Kevin  Ratliff → Landmark Mining Company Inc:** 2019-06-20 through current/open; derived from co-tenure at mine 1511545; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 5
- 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 5 historical accident/injury rows; 0 coded fatalities and 269 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 283 violation rows across the full record; 129 carry an S&S flag and $42,834 appears in current assessed amounts.
3. **HEALTH — 277 samples:** Occupational health samples 208 coal dust; 25 coal quartz; 44 noise. 0 personal-sample rows have a published C/E ratio above 1; 21 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 3K employee hours and 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 216 linked rows:** Contests, conferences and decisions 73 contested-violation rows, 97 civil-penalty docket/decision rows, and 46 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 — 4 since 2021:** Inspections 78 inspection events and 2K 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 62.130 — Permissible exposure level.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130
- **30 CFR 77.404 — Machinery and equipment; operation and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **30 CFR 77.1713 — Daily inspection of surface coal mine; certified person; reports of inspection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1713
- **30 CFR 77.516 — Electric wiring and equipment; installation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.516
- **30 CFR 77.204 — Openings in surface installations; safeguards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.204
- **30 CFR 77.1710 — Protective clothing; requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1710
- **30 CFR 71.400 — Bathing facilities; change rooms; sanitary flush toilet facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-E/section-71.400
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2005-10-17 through 2006-07-20; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2014-07-07 through 2014-07-07; source ID `msha-addresses`
- **Assessed Violations:** 256 rows; 2001-09-24 through 2008-09-26; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 97 rows; 2002-08-28 through 2007-11-07; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 208 rows; 2001-09-26 through 2008-12-22; source ID `msha-coal-dust-samples`
- **Conferences:** 46 rows; 2006-06-12 through 2006-10-16; source ID `msha-conferences`
- **Contested Violations:** 73 rows; 2005-10-13 through 2006-09-19; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 102 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 16 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1978-09-01 through 1978-09-01; source ID `msha-controller-operator-history`
- **Inspections:** 78 rows; 2001-07-13 through 2026-04-27; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 60 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 18 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 44 rows; 2001-09-26 through 2008-11-07; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 25 rows; 2002-05-22 through 2008-09-04; source ID `msha-quartz-samples`
- **Violations:** 283 rows; 2001-09-24 through 2008-09-26; 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/prep-plant-1511545`
- JSON: `/api/v1/mines/prep-plant-1511545`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1511545/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1511545/relationships`
- MCP resource: `mine://1511545/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
