# No. 1

- **MSHA mine ID:** 1519394
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Pike, KY
- **Operator:** MG Energy LLC
- **Controller:** Robert B  Hughes
- **Public source rows linked:** 678
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Robert B  Hughes (C11537) → MG Energy LLC (0109825) → No. 1 (1519394)**

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

## Controller and operator valid-time history

- **Charles T  Norman → Sassy Coal Co., Inc.:** 2009-03-17 through 2010-05-11; derived from co-tenure at mine 1519394; source `msha-controller-operator-history`.
- **Robert B  Hughes → MG Energy LLC:** 2010-05-12 through current/open; derived from co-tenure at mine 1519394; 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 1 historical accident/injury rows; 0 coded fatalities and 1 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 210 violation rows across the full record; 59 carry an S&S flag and $76,412 appears in current assessed amounts.
3. **HEALTH — 174 samples:** Occupational health samples 153 coal dust; 7 coal quartz; 14 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 — 5K tons:** Quarterly production and employment 3K employee hours and 9 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 12 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 civil-penalty docket/decision rows, and 4 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 33 inspection events and 1K 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 75.400 — 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 75.380 — Escapeways; bituminous and lignite mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.380
- **30 CFR 75.1505 — Escapeway maps.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-P/section-75.1505
- **30 CFR 75.523-3 — Automatic emergency-parking brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.523-3
- **30 CFR 70.208 — Quarterly sampling; mechanized mining units.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-70/subpart-C/section-70.208
- **30 CFR 75.360 — Preshift examination at fixed intervals.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.360
- **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 75.1403 — Other safeguards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403
- **30 CFR 75.1731 — Maintenance of belt conveyors and belt conveyor entries.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1731

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2011-05-10 through 2011-05-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2014-02-25 through 2014-02-25; source ID `msha-addresses`
- **Assessed Violations:** 201 rows; 2010-08-30 through 2012-11-15; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2012-04-12 through 2012-08-08; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 153 rows; 2010-09-10 through 2012-11-19; source ID `msha-coal-dust-samples`
- **Conferences:** 4 rows; 2010-12-23 through 2011-01-28; source ID `msha-conferences`
- **Contested Violations:** 4 rows; 2011-01-04 through 2011-01-19; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 12 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 3 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2009-03-17 through 2010-05-12; source ID `msha-controller-operator-history`
- **Inspections:** 33 rows; 2009-03-17 through 2013-10-22; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 22 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:** 14 rows; 2011-02-10 through 2012-11-19; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 7 rows; 2012-02-22 through 2012-08-22; source ID `msha-quartz-samples`
- **Violations:** 210 rows; 2010-08-30 through 2012-11-15; 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/no-1-1519394`
- JSON: `/api/v1/mines/no-1-1519394`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1519394/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1519394/relationships`
- MCP resource: `mine://1519394/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`