# Job 21

- **MSHA mine ID:** 1518862
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Knott, KY
- **Operator:** Miller Bros Coal LLC
- **Controller:** Clearwater Natural Resources LP
- **Public source rows linked:** 221
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Clearwater Natural Resources LP (0051889) → Miller Bros Coal LLC (0062183) → Job 21 (1518862)**

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

## Controller and operator valid-time history

- **M Lynn  Parrish → Knott Floyd Land Company, Inc.:** 2005-04-18 through 2006-10-22; derived from co-tenure at mine 1518862; source `msha-controller-operator-history`.
- **Jeff  Joyce → Knott Floyd Land Company, Inc.:** 2005-04-18 through 2004-07-11; derived from co-tenure at mine 1518862; source `msha-controller-operator-history`.
- **Clearwater Natural Resources LP → Miller Bros Coal LLC:** 2006-10-23 through current/open; derived from co-tenure at mine 1518862; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 8
- Interval anomalies: 1
- 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 3 historical accident/injury rows; 0 coded fatalities and 25 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 43 violation rows across the full record; 14 carry an S&S flag and $7,170 appears in current assessed amounts.
3. **HEALTH — 80 samples:** Occupational health samples 56 coal dust; 24 noise. 0 personal-sample rows have a published C/E ratio above 1; 3 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 705 employee hours and 2 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 — 2 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 17 inspection events and 419 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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 77.1109 — Quantity and location of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 77.205 — Travelways at surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2006-02-13 through 2008-09-11; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2009-12-29 through 2009-12-29; source ID `msha-addresses`
- **Assessed Violations:** 43 rows; 2005-07-27 through 2009-06-05; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 56 rows; 2005-07-28 through 2008-11-05; source ID `msha-coal-dust-samples`
- **Conferences:** 1 rows; 2005-12-07 through 2005-12-07; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 3 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 2 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 2005-04-18 through 2006-10-23; source ID `msha-controller-operator-history`
- **Inspections:** 17 rows; 2005-06-13 through 2009-10-13; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 19 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 5 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 24 rows; 2005-07-28 through 2007-12-12; source ID `msha-noise-samples`
- **Violations:** 43 rows; 2005-07-27 through 2009-06-05; 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/job-21-1518862`
- JSON: `/api/v1/mines/job-21-1518862`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518862/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518862/relationships`
- MCP resource: `mine://1518862/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`