# Narrow Branch

- **MSHA mine ID:** 1518932
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Leslie, KY
- **Operator:** Nally & Hamilton Enterprises, Inc.
- **Controller:** Thomas R  Hamilton
- **Public source rows linked:** 269
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Thomas R  Hamilton (C03974) → Nally & Hamilton Enterprises, Inc. (P01158) → Narrow Branch (1518932)**

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 Enterprises, Inc.:** 2005-10-17 through current/open; derived from co-tenure at mine 1518932; 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 2 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 27 violation rows across the full record; 9 carry an S&S flag and $2,608 appears in current assessed amounts.
3. **HEALTH — 15 samples:** Occupational health samples 10 coal dust; 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 2 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 7 inspection events and 156 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 77.1301 — Explosives; magazines.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-N/section-77.1301
- **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 77.1104 — Accumulations of combustible materials.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104
- **30 CFR 72.620 — Drill dust control at surface mines and surface areas of underground mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-E/section-72.620
- **30 CFR 77.404 — Machinery and equipment; operation and maintenance.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **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:** 1 rows; 2006-02-27 through 2006-02-27; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2007-10-17 through 2007-10-17; source ID `msha-addresses`
- **Assessed Violations:** 27 rows; 2006-03-10 through 2007-10-17; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 10 rows; 2006-03-27 through 2006-08-10; source ID `msha-coal-dust-samples`
- **Conferences:** 2 rows; 2006-04-19 through 2006-04-19; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 161 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 23 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2005-10-17 through 2005-10-17; source ID `msha-controller-operator-history`
- **Inspections:** 7 rows; 2006-03-10 through 2007-10-09; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 3 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 5 rows; 2006-08-10 through 2006-08-10; source ID `msha-noise-samples`
- **Violations:** 27 rows; 2006-03-10 through 2007-10-17; 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/narrow-branch-1518932`
- JSON: `/api/v1/mines/narrow-branch-1518932`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518932/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518932/relationships`
- MCP resource: `mine://1518932/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`