# Advantage #1

- **MSHA mine ID:** 1502057
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Letcher, KY
- **Operator:** Smoky Quartz
- **Controller:** John T  Quintrell
- **Public source rows linked:** 7,547
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**John T  Quintrell (0150681) → Smoky Quartz (0177913) → Advantage #1 (1502057)**

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

## Controller and operator valid-time history

- **Harry  LaViers Jr → South-East Coal Company Inc:** 1950-01-01 through 1988-02-10; derived from co-tenure at mine 1502057; source `msha-controller-operator-history`.
- **Reading & Bates Corp → Golden Oak Mining Company Inc:** 1988-02-11 through 2005-05-04; derived from co-tenure at mine 1502057; source `msha-controller-operator-history`.
- **United  Company → Sapphire Coal Company:** 2005-05-05 through 2009-04-29; derived from co-tenure at mine 1502057; source `msha-controller-operator-history`.
- **Metinvest B V → Sapphire Coal Company:** 2009-04-30 through 2021-08-04; derived from co-tenure at mine 1502057; source `msha-controller-operator-history`.
- **John T  Quintrell → Smoky Quartz:** 2021-08-05 through current/open; derived from co-tenure at mine 1502057; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 14
- 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 94 historical accident/injury rows; 0 coded fatalities and 2,102 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 1,875 violation rows across the full record; 440 carry an S&S flag and $859,736 appears in current assessed amounts.
3. **HEALTH — 1K samples:** Occupational health samples 1,238 coal dust; 136 coal quartz; 115 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 400 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 897 linked rows:** Contests, conferences and decisions 431 contested-violation rows, 431 civil-penalty docket/decision rows, and 35 conference records linked by issuance number.
6. **CONTRACTORS — 8 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 108 inspection events and 14K 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 48.28 — Annual refresher training of miners; minimum courses of instruction; hours of instruction.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.28
- **30 CFR 75.800-4 — Testing, examination, and maintenance of circuit breakers; record.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-I/section-75.800-4
- **30 CFR 75.503 — Permissible electric face equipment; maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **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 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
- **30 CFR 75.333 — Ventilation controls.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333
- **30 CFR 75.701 — Grounding metallic frames, casings, and other enclosures of electric equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-H/section-75.701
- **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 75.202 — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 94 rows; 2005-07-25 through 2012-04-16; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2022-10-28 through 2022-10-28; source ID `msha-addresses`
- **Assessed Violations:** 1,852 rows; 2005-07-27 through 2012-09-06; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 431 rows; 2008-02-06 through 2014-01-16; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 1,238 rows; 2002-11-16 through 2012-04-13; source ID `msha-coal-dust-samples`
- **Conferences:** 35 rows; 2006-06-15 through 2012-06-05; source ID `msha-conferences`
- **Contested Violations:** 431 rows; 2006-05-30 through 2012-04-02; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 959 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 175 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 2021-08-05; source ID `msha-controller-operator-history`
- **Inspections:** 108 rows; 2005-05-20 through 2013-06-27; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 72 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 19 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 115 rows; 2005-10-12 through 2011-12-27; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 136 rows; 2005-10-12 through 2012-04-12; source ID `msha-quartz-samples`
- **Violations:** 1,875 rows; 2005-07-27 through 2012-09-06; 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/advantage-1-1502057`
- JSON: `/api/v1/mines/advantage-1-1502057`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1502057/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1502057/relationships`
- MCP resource: `mine://1502057/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`