# RB #4

- **MSHA mine ID:** 1508293
- **Status:** Abandoned
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Harlan, KY
- **Operator:** Manalapan Mining Company Inc
- **Controller:** Benjamin R.  Bennett
- **Public source rows linked:** 4,453
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Benjamin R.  Bennett (C00015) → Manalapan Mining Company Inc (P14483) → RB #4 (1508293)**

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

## Controller and operator valid-time history

- **Champion International Corporation → Harlan No 4 Coal Company:** 1975-05-01 through 1983-02-22; derived from co-tenure at mine 1508293; source `msha-controller-operator-history`.
- **Benjamin R.  Bennett → Manalapan Mining Company Inc:** 1983-02-23 through current/open; derived from co-tenure at mine 1508293; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 64 historical accident/injury rows; 0 coded fatalities and 3,996 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 819 violation rows across the full record; 336 carry an S&S flag and $207,917 appears in current assessed amounts.
3. **HEALTH — 2K samples:** Occupational health samples 1,376 coal dust; 132 coal quartz; 85 noise. 0 personal-sample rows have a published C/E ratio above 1; 28 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 149 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 768 linked rows:** Contests, conferences and decisions 353 contested-violation rows, 353 civil-penalty docket/decision rows, and 62 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 163 inspection events and 8K 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 75.1711 — Sealing of mines.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711
- **30 CFR 75.1100-3 — Condition and examination of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-3
- **30 CFR 75.521 — 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-75/subpart-F/section-75.521
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **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
- **30 CFR 77.800-2 — Testing, examination, and maintenance of circuit breakers; record.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-I/section-77.800-2
- **30 CFR 77.502 — Electric equipment; examination, testing, and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606

## Source coverage

- **Accident, Injuries, and Illnesses:** 64 rows; 2000-01-04 through 2008-10-15; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2009-06-18 through 2009-06-18; source ID `msha-addresses`
- **Assessed Violations:** 796 rows; 2000-01-03 through 2009-11-09; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 353 rows; 2005-08-09 through 2011-03-29; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 1,376 rows; 2000-01-26 through 2008-11-11; source ID `msha-coal-dust-samples`
- **Conferences:** 62 rows; 2000-06-15 through 2008-09-10; source ID `msha-conferences`
- **Contested Violations:** 353 rows; 2004-02-19 through 2009-11-09; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 103 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 17 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1975-05-01 through 1983-02-23; source ID `msha-controller-operator-history`
- **Inspections:** 163 rows; 2000-01-03 through 2011-10-24; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 104 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 22 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 85 rows; 2000-02-14 through 2008-10-07; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 132 rows; 2000-02-14 through 2008-10-07; source ID `msha-quartz-samples`
- **Violations:** 819 rows; 2000-01-03 through 2010-03-01; 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/rb-4-1508293`
- JSON: `/api/v1/mines/rb-4-1508293`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1508293/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1508293/relationships`
- MCP resource: `mine://1508293/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`