# Trace Branch

- **MSHA mine ID:** 1519946
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Clay, KY
- **Operator:** Trace Branch Mining, LLC
- **Controller:** Jacob A  Hubbard; Hunter R  Hubbard; E Sue  Hubbard
- **Public source rows linked:** 126
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Jacob A  Hubbard; Hunter R  Hubbard; E Sue  Hubbard (0176441) → Trace Branch Mining, LLC (0188533) → Trace Branch (1519946)**

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

## Controller and operator valid-time history

- **Hunter R  Hubbard et al → Trace Branch Mining, LLC:** 2023-04-28 through current/open; derived from co-tenure at mine 1519946; source `msha-controller-operator-history`.
- **Jacob A  Hubbard et al → Trace Branch Mining, LLC:** 2023-04-28 through current/open; derived from co-tenure at mine 1519946; source `msha-controller-operator-history`.
- **E Sue  Hubbard et al → Trace Branch Mining, LLC:** 2023-04-28 through current/open; derived from co-tenure at mine 1519946; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 5
- 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 27 since 2021:** Violations and penalties 27 violation rows across the full record; 7 carry an S&S flag and $3,715 appears in current assessed amounts.
3. **HEALTH — 45 samples:** Occupational health samples 25 coal dust; 1 coal quartz; 19 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 — 2K tons:** Quarterly production and employment 751 employee hours and 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 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 — 14 since 2021:** Inspections 14 inspection events and 357 published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 9,387 short tons
- **Labor hours:** 6,208
- **Average employees:** 6
- **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 77.1606 — Loading and haulage equipment; inspection and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 62.120 — Action level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.120
- **30 CFR 71.209 — Status change reports.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-C/section-71.209
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **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 48.23 — Training plans; time of submission; where filed; information required; time for approval; method for disapproval; commencement of training; approval of instructors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.23
- **30 CFR 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **30 CFR 72.100 — Periodic examinations.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-B/section-72.100
- **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

## Source coverage

- **Addresses of Record:** 1 rows; 2024-12-05 through 2024-12-05; source ID `msha-addresses`
- **Assessed Violations:** 25 rows; 2023-09-14 through 2024-09-20; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 25 rows; 2023-09-26 through 2024-06-05; source ID `msha-coal-dust-samples`
- **Controller and Operator History:** 3 rows; 2023-04-28 through 2023-04-28; source ID `msha-controller-operator-history`
- **Inspections:** 14 rows; 2023-08-22 through 2024-12-02; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 7 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **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:** 19 rows; 2023-09-26 through 2024-06-05; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 1 rows; 2024-03-26 through 2024-03-26; source ID `msha-quartz-samples`
- **Violations:** 27 rows; 2023-09-14 through 2024-09-25; 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/trace-branch-1519946`
- JSON: `/api/v1/mines/trace-branch-1519946`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1519946/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1519946/relationships`
- MCP resource: `mine://1519946/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
