# #2

- **MSHA mine ID:** 4407179
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Buchanan, VA
- **Operator:** Tech Leasing & Rebuild, LLC
- **Controller:** Elizabeth K  Justus-Dickenson
- **Public source rows linked:** 2,539
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Elizabeth K  Justus-Dickenson (0095015) → Tech Leasing & Rebuild, LLC (0056178) → #2 (4407179)**

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

## Controller and operator valid-time history

- **United  Company → Surface Minerals Company:** 2006-06-15 through 2006-10-01; derived from co-tenure at mine 4407179; source `msha-controller-operator-history`.
- **Kenneth L  Stacy → Surface Minerals Company:** 2006-06-15 through 2006-02-09; derived from co-tenure at mine 4407179; source `msha-controller-operator-history`.
- **Jeffrey K  Justus et al → Tech Leasing & Rebuild, LLC:** 2006-10-02 through 2007-04-23; derived from co-tenure at mine 4407179; source `msha-controller-operator-history`.
- **Dennis  Daniels → Tech Leasing & Rebuild, LLC:** 2007-04-24 through 2007-12-02; derived from co-tenure at mine 4407179; source `msha-controller-operator-history`.
- **Willard H.  Cook → Tech Leasing & Rebuild, LLC:** 2007-12-03 through 2010-06-30; derived from co-tenure at mine 4407179; source `msha-controller-operator-history`.
- **Metinvest B V → Surface Minerals Company:** 2009-04-30 through 2006-10-01; derived from co-tenure at mine 4407179; source `msha-controller-operator-history`.
- **Elizabeth K  Justus-Dickenson → Tech Leasing & Rebuild, LLC:** 2010-07-01 through current/open; derived from co-tenure at mine 4407179; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 16
- Interval anomalies: 2
- 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 11 historical accident/injury rows; 0 coded fatalities and 319 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 556 violation rows across the full record; 142 carry an S&S flag and $474,625 appears in current assessed amounts.
3. **HEALTH — 345 samples:** Occupational health samples 302 coal dust; 9 coal quartz; 34 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 — 4K tons:** Quarterly production and employment 4K employee hours and 14 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 752 linked rows:** Contests, conferences and decisions 355 contested-violation rows, 350 civil-penalty docket/decision rows, and 47 conference records linked by issuance number.
6. **CONTRACTORS — 7 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 62 inspection events and 3K 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 75.1200 — Mine map.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1200
- **30 CFR 77.508-1 — Lightning arresters; wires entering buildings.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.508-1
- **30 CFR 75.364 — Weekly examination.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364
- **30 CFR 75.1725 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1725
- **30 CFR 75.362 — On-shift examination.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.362
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **30 CFR 72.630 — Drill dust control at underground areas of underground mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-E/section-72.630
- **30 CFR 75.400 — Accumulation of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 11 rows; 2007-04-16 through 2010-10-29; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2011-01-28 through 2011-01-28; source ID `msha-addresses`
- **Assessed Violations:** 543 rows; 2006-11-21 through 2010-11-02; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 350 rows; 2008-12-01 through 2014-05-07; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 302 rows; 2006-12-20 through 2010-10-14; source ID `msha-coal-dust-samples`
- **Conferences:** 47 rows; 2007-02-15 through 2011-10-26; source ID `msha-conferences`
- **Contested Violations:** 355 rows; 2007-01-17 through 2012-02-21; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 174 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 45 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 2006-06-15 through 2006-10-02; source ID `msha-controller-operator-history`
- **Inspections:** 62 rows; 2006-07-31 through 2011-01-25; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 33 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 9 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 34 rows; 2007-01-04 through 2010-10-08; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 9 rows; 2007-12-18 through 2010-02-26; source ID `msha-quartz-samples`
- **Violations:** 556 rows; 2006-11-21 through 2010-11-02; 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/2-4407179`
- JSON: `/api/v1/mines/2-4407179`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4407179/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4407179/relationships`
- MCP resource: `mine://4407179/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`