# #1

- **MSHA mine ID:** 4407032
- **Status:** Abandoned
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Buchanan, VA
- **Operator:** L J Contracting, LLC
- **Controller:** John E  Potter
- **Public source rows linked:** 308
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**John E  Potter (C02749) → L J Contracting, LLC (0050893) → #1 (4407032)**

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

## Controller and operator valid-time history

- **Billy Ray  Dotson → Dot-Air Coal Corp:** 2001-06-01 through 2002-04-07; derived from co-tenure at mine 4407032; source `msha-controller-operator-history`.
- **Terry L  Matney → War Eagle Energy, Inc.:** 2002-04-08 through 2002-11-06; derived from co-tenure at mine 4407032; source `msha-controller-operator-history`.
- **John E  Potter et al → L J Contracting, LLC:** 2002-11-07 through current/open; derived from co-tenure at mine 4407032; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 9
- 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 80 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 70 violation rows across the full record; 24 carry an S&S flag and $5,729 appears in current assessed amounts.
3. **HEALTH — 101 samples:** Occupational health samples 87 coal dust; 8 coal quartz; 6 noise. 0 personal-sample rows have a published C/E ratio above 1; 0 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 — 13K tons:** Quarterly production and employment 6K employee hours and 12 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 1 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 1 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 45 inspection events and 773 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 75.220 — Roof control plan.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.220
- **30 CFR 75.503 — Permissible electric face equipment; maintenance.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **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 75.370 — 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 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 75.604 — Permanent splicing of trailing cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.604
- **30 CFR 75.601 — Short circuit protection of trailing cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.601

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2002-07-09 through 2002-07-09; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2006-03-23 through 2006-03-23; source ID `msha-addresses`
- **Assessed Violations:** 67 rows; 2001-07-02 through 2003-09-03; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 87 rows; 2001-08-25 through 2003-08-12; source ID `msha-coal-dust-samples`
- **Conferences:** 1 rows; 2001-09-25 through 2001-09-25; source ID `msha-conferences`
- **Controller and Operator History:** 3 rows; 2001-06-01 through 2002-11-07; source ID `msha-controller-operator-history`
- **Inspections:** 45 rows; 2001-06-22 through 2004-07-06; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 12 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 6 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 6 rows; 2003-04-22 through 2003-05-19; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 8 rows; 2001-11-13 through 2003-07-09; source ID `msha-quartz-samples`
- **Violations:** 70 rows; 2001-07-02 through 2003-09-03; 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/1-4407032`
- JSON: `/api/v1/mines/1-4407032`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4407032/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4407032/relationships`
- MCP resource: `mine://4407032/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`