# Defeated Creek

- **MSHA mine ID:** 1519931
- **Status:** Active
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Letcher, KY
- **Operator:** Nally & Hamilton Ent. Inc.
- **Controller:** Thomas R  Hamilton
- **Public source rows linked:** 856
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Thomas R  Hamilton (C03974) → Nally & Hamilton Ent. Inc. (P01158) → Defeated Creek (1519931)**

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

## Controller and operator valid-time history

- **Thomas R  Hamilton et al → Nally & Hamilton Ent. Inc.:** 2022-11-21 through current/open; derived from co-tenure at mine 1519931; 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 — 3 since 2021:** Accidents and injuries 3 historical accident/injury rows; 0 coded fatalities and 131 lost days across the published record.
2. **COMPLIANCE — 90 since 2021:** Violations and penalties 90 violation rows across the full record; 9 carry an S&S flag and $24,192 appears in current assessed amounts.
3. **HEALTH — 130 samples:** Occupational health samples 85 coal dust; 7 coal quartz; 38 noise. 0 personal-sample rows have a published C/E ratio above 1; 1 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 — 4K tons:** Quarterly production and employment 545 employee hours and 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 30 linked rows:** Contests, conferences and decisions 9 contested-violation rows, 9 civil-penalty docket/decision rows, and 12 conference records linked by issuance number.
6. **CONTRACTORS — 4 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 — 15 since 2021:** Inspections 15 inspection events and 1K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 168,576 short tons
- **Labor hours:** 94,345
- **Average employees:** 27
- **Coal supply region:** Appalachia Central
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 50.10 — Immediate notification.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-B/section-50.10
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 71.600 — Drinking water; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-G/section-71.600
- **30 CFR 77.400 — Mechanical equipment guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2024-09-09 through 2026-08-18; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-06-19 through 2026-06-19; source ID `msha-addresses`
- **Assessed Violations:** 85 rows; 2023-03-07 through 2026-07-13; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 9 rows; 2025-10-24 through 2025-10-24; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 85 rows; 2023-03-22 through 2026-07-22; source ID `msha-coal-dust-samples`
- **Conferences:** 12 rows; 2023-12-04 through 2025-09-24; source ID `msha-conferences`
- **Contested Violations:** 9 rows; 2025-02-20 through 2026-07-13; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 397 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 85 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2022-11-21 through 2022-11-21; source ID `msha-controller-operator-history`
- **Inspections:** 15 rows; 2023-03-07 through 2026-08-06; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 14 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 4 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 38 rows; 2023-03-28 through 2026-07-15; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 7 rows; 2023-03-28 through 2025-03-07; source ID `msha-quartz-samples`
- **Violations:** 90 rows; 2023-03-07 through 2026-08-05; 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/defeated-creek-1519931`
- JSON: `/api/v1/mines/defeated-creek-1519931`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1519931/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1519931/relationships`
- MCP resource: `mine://1519931/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`