# Mine No. 20

- **MSHA mine ID:** 1518648
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Knott, KY
- **Operator:** Reedy Coal Company Inc
- **Controller:** Willis  Ring
- **Public source rows linked:** 682
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Willis  Ring (C11646) → Reedy Coal Company Inc (P16370) → Mine No. 20 (1518648)**

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

## Controller and operator valid-time history

- **Willis  Ring → Reedy Coal Company Inc:** 2003-07-14 through current/open; derived from co-tenure at mine 1518648; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 6 historical accident/injury rows; 0 coded fatalities and 103 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 173 violation rows across the full record; 52 carry an S&S flag and $14,530 appears in current assessed amounts.
3. **HEALTH — 83 samples:** Occupational health samples 76 coal dust; 7 coal quartz. 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 — 170K tons:** Quarterly production and employment 29K employee hours and 72 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 — 3 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 11 inspection events and 695 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 75.1702-1 — Smoking programs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1702-1
- **30 CFR 75.512-2 — Frequency of examinations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512-2
- **30 CFR 50.10 — Immediate notification.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-B/section-50.10
- **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 77.1103 — Flammable liquids; storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103
- **30 CFR 77.1607 — Loading and haulage equipment; operation.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607
- **30 CFR 77.404 — Machinery and equipment; operation and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **30 CFR 75.342 — Methane monitors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.342
- **30 CFR 48.31 — Hazard training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.31
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605

## Source coverage

- **Accident, Injuries, and Illnesses:** 6 rows; 2003-08-21 through 2004-02-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2004-06-29 through 2004-06-29; source ID `msha-addresses`
- **Assessed Violations:** 162 rows; 2003-07-28 through 2004-06-07; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 76 rows; 2003-08-11 through 2004-04-07; source ID `msha-coal-dust-samples`
- **Conferences:** 1 rows; 2004-03-30 through 2004-03-30; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 171 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 55 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2003-07-14 through 2003-07-14; source ID `msha-controller-operator-history`
- **Inspections:** 11 rows; 2003-07-16 through 2004-05-12; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 11 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`
- **Quartz Samples — Coal:** 7 rows; 2003-08-20 through 2004-04-07; source ID `msha-quartz-samples`
- **Violations:** 173 rows; 2003-07-28 through 2004-06-07; 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/mine-no-20-1518648`
- JSON: `/api/v1/mines/mine-no-20-1518648`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518648/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518648/relationships`
- MCP resource: `mine://1518648/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`