# Mine No 4

- **MSHA mine ID:** 4406815
- **Status:** Abandoned
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Buchanan, VA
- **Operator:** Just-Us Coal Corp
- **Controller:** Larry Ray  Justus
- **Public source rows linked:** 367
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Larry Ray  Justus (C12302) → Just-Us Coal Corp (P17512) → Mine No 4 (4406815)**

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

## Controller and operator valid-time history

- **Larry Ray  Justus → Just-Us Coal Corp:** 1995-11-01 through current/open; derived from co-tenure at mine 4406815; 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 2 historical accident/injury rows; 0 coded fatalities and 45 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 76 violation rows across the full record; 29 carry an S&S flag and $6,445 appears in current assessed amounts.
3. **HEALTH — 148 samples:** Occupational health samples 128 coal dust; 7 coal quartz; 13 noise. 0 personal-sample rows have a published C/E ratio above 1; 2 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 38 inspection events and 680 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 77.504 — Electrical connections or splices; suitability.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.504
- **30 CFR 75.1103-11 — Tests of fire hydrants and fire hose; record of tests.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1103-11
- **30 CFR 75.508 — Map of electrical system.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.508
- **30 CFR 75.1103-1 — Automatic fire sensors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1103-1
- **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 75.400 — Accumulation of combustible materials.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400
- **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 75.1002 — Installation of electric equipment and conductors; permissibility.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-K/section-75.1002
- **30 CFR 75.208 — Warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.208
- **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:** 2 rows; 2000-02-26 through 2001-02-19; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2001-10-19 through 2001-10-19; source ID `msha-addresses`
- **Assessed Violations:** 76 rows; 2000-01-24 through 2001-07-16; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 128 rows; 2000-01-24 through 2001-08-14; source ID `msha-coal-dust-samples`
- **Controller and Operator History:** 1 rows; 1995-11-01 through 1995-11-01; source ID `msha-controller-operator-history`
- **Inspections:** 38 rows; 2000-01-20 through 2002-05-22; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 17 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 7 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 13 rows; 2000-03-22 through 2001-07-16; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 7 rows; 2000-09-14 through 2001-05-24; source ID `msha-quartz-samples`
- **Violations:** 76 rows; 2000-01-24 through 2001-07-16; 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/mine-no-4-4406815`
- JSON: `/api/v1/mines/mine-no-4-4406815`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4406815/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4406815/relationships`
- MCP resource: `mine://4406815/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
