# #4

- **MSHA mine ID:** 1518291
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Floyd, KY
- **Operator:** Gun Hill Coal, Inc.
- **Controller:** Jill  Slone
- **Public source rows linked:** 281
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Jill  Slone (C15732) → Gun Hill Coal, Inc. (P23983) → #4 (1518291)**

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

## Controller and operator valid-time history

- **Rex Dean  Osborn → N D O Coal Company Inc:** 2000-10-01 through 2001-10-15; derived from co-tenure at mine 1518291; source `msha-controller-operator-history`.
- **Danny D Mead → N. D. O. Coal Company, Inc.:** 2001-10-16 through 2001-10-20; derived from co-tenure at mine 1518291; source `msha-controller-operator-history`.
- **Jill  Slone → Gun Hill Coal, Inc.:** 2001-10-21 through current/open; derived from co-tenure at mine 1518291; 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 37 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 97 violation rows across the full record; 44 carry an S&S flag and $20,666 appears in current assessed amounts.
3. **HEALTH — 45 samples:** Occupational health samples 38 coal dust; 2 coal quartz; 5 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 — 0 tons:** Quarterly production and employment 0 employee hours and 0 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 25 inspection events and 454 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 75.1711 — Sealing of mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711
- **30 CFR 75.1204 — Mine closure; filing of map with Secretary.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1204
- **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 75.370 — 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 75.402 — Rock dusting.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.402
- **30 CFR 75.220 — Roof control plan.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.220
- **30 CFR 75.1100-2 — Quantity and location of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-2
- **30 CFR 75.807 — Installation of high-voltage transmission cables.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-I/section-75.807
- **30 CFR 75.203 — Mining methods.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.203

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2001-09-05 through 2001-09-05; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2002-09-16 through 2002-09-16; source ID `msha-addresses`
- **Assessed Violations:** 96 rows; 2001-02-05 through 2002-09-06; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 38 rows; 2001-01-10 through 2001-12-18; source ID `msha-coal-dust-samples`
- **Conferences:** 1 rows; 2001-03-07 through 2001-03-07; source ID `msha-conferences`
- **Controller and Operator History:** 3 rows; 2000-10-01 through 2001-10-21; source ID `msha-controller-operator-history`
- **Inspections:** 25 rows; 2000-11-27 through 2002-11-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 9 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 2 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 5 rows; 2001-09-20 through 2001-09-20; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 2 rows; 2001-07-16 through 2001-09-04; source ID `msha-quartz-samples`
- **Violations:** 97 rows; 2001-02-05 through 2002-09-06; 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/4-1518291`
- JSON: `/api/v1/mines/4-1518291`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518291/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518291/relationships`
- MCP resource: `mine://1518291/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`