# Rockhouse 1

- **MSHA mine ID:** 1518901
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Bell, KY
- **Operator:** Debra Lynn Coals Inc
- **Controller:** Thomas King  Evans
- **Public source rows linked:** 348
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Thomas King  Evans (C04758) → Debra Lynn Coals Inc (P05709) → Rockhouse 1 (1518901)**

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

## Controller and operator valid-time history

- **Thomas King  Evans → Debra Lynn Coals Inc:** 2005-07-20 through current/open; derived from co-tenure at mine 1518901; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 1 historical accident/injury rows; 0 coded fatalities and 2 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 82 violation rows across the full record; 55 carry an S&S flag and $20,860 appears in current assessed amounts.
3. **HEALTH — 90 samples:** Occupational health samples 52 coal dust; 1 coal quartz; 37 noise. 0 personal-sample rows have a published C/E ratio above 1; 1 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 1K employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 12 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 6 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 14 inspection events and 475 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 77.1606 — Loading and haulage equipment; inspection and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **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 48.26 — Experienced miner training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.26
- **30 CFR 71.500 — Sanitary toilet facilities at surface work sites; installation requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-F/section-71.500
- **30 CFR 77.1202 — Availability of mine map.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-M/section-77.1202
- **30 CFR 77.205 — Travelways at surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2008-03-17 through 2008-03-17; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2011-09-13 through 2011-09-13; source ID `msha-addresses`
- **Assessed Violations:** 82 rows; 2005-08-09 through 2011-03-17; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2010-04-08 through 2010-04-08; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 52 rows; 2005-08-17 through 2009-03-28; source ID `msha-coal-dust-samples`
- **Contested Violations:** 6 rows; 2008-03-08 through 2008-03-18; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 8 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2005-07-20 through 2005-07-20; source ID `msha-controller-operator-history`
- **Inspections:** 14 rows; 2005-08-09 through 2011-09-12; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 47 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 8 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 37 rows; 2005-08-17 through 2008-11-19; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 1 rows; 2005-08-17 through 2005-08-17; source ID `msha-quartz-samples`
- **Violations:** 82 rows; 2005-08-09 through 2011-03-17; 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/rockhouse-1-1518901`
- JSON: `/api/v1/mines/rockhouse-1-1518901`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518901/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518901/relationships`
- MCP resource: `mine://1518901/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`