# #1

- **MSHA mine ID:** 1518654
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Letcher, KY
- **Operator:** T.R.C. Mining Corporation
- **Controller:** Rodney  Bentley; Ted  Thornsberry
- **Public source rows linked:** 1,365
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Rodney  Bentley; Ted  Thornsberry (0057149) → T.R.C. Mining Corporation (0068103) → #1 (1518654)**

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

## Controller and operator valid-time history

- **Roger N  Bentley → J. & R. Coal Co.:** 2003-08-05 through 2006-02-13; derived from co-tenure at mine 1518654; source `msha-controller-operator-history`.
- **Ted  Thornsberry et al → T.R.C. Mining Corporation:** 2006-02-14 through current/open; derived from co-tenure at mine 1518654; source `msha-controller-operator-history`.
- **Rodney  Bentley et al → T.R.C. Mining Corporation:** 2006-02-14 through current/open; derived from co-tenure at mine 1518654; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 7
- 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 16 historical accident/injury rows; 0 coded fatalities and 912 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 300 violation rows across the full record; 97 carry an S&S flag and $38,083 appears in current assessed amounts.
3. **HEALTH — 346 samples:** Occupational health samples 298 coal dust; 26 coal quartz; 22 noise. 0 personal-sample rows have a published C/E ratio above 1; 3 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 — 4K tons:** Quarterly production and employment 2K employee hours and 31 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 7 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 3 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 40 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 75.403 — Maintenance of incombustible content of rock dust.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.403
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **30 CFR 75.1202 — Temporary notations, revisions, and supplements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1202
- **30 CFR 77.401 — Stationary grinding machines; protective devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.401
- **30 CFR 77.508 — Lightning arresters, ungrounded and exposed power conductors and telephone wires.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.508
- **30 CFR 77.701 — Grounding metallic frames, casings, and other enclosures of electric equipment.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-H/section-77.701
- **30 CFR 77.505 — Cable fittings; suitability.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.505
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **30 CFR 75.312 — Main mine fan examinations and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.312

## Source coverage

- **Accident, Injuries, and Illnesses:** 16 rows; 2003-10-31 through 2007-03-12; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2007-10-23 through 2007-10-23; source ID `msha-addresses`
- **Assessed Violations:** 300 rows; 2003-09-04 through 2007-09-05; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2006-11-02 through 2006-11-02; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 298 rows; 2003-09-23 through 2007-05-28; source ID `msha-coal-dust-samples`
- **Conferences:** 3 rows; 2004-02-12 through 2004-11-02; source ID `msha-conferences`
- **Contested Violations:** 2 rows; 2005-11-07 through 2005-11-07; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 230 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 60 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 2003-08-05 through 2006-02-14; source ID `msha-controller-operator-history`
- **Inspections:** 40 rows; 2003-08-08 through 2007-07-02; 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:** 14 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 22 rows; 2004-09-27 through 2006-12-26; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 26 rows; 2003-09-23 through 2006-09-11; source ID `msha-quartz-samples`
- **Violations:** 300 rows; 2003-09-04 through 2007-09-05; 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/1-1518654`
- JSON: `/api/v1/mines/1-1518654`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518654/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518654/relationships`
- MCP resource: `mine://1518654/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`