# Combs Branch Job

- **MSHA mine ID:** 1516883
- **Status:** Active
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Perry, KY
- **Operator:** Pine Branch Mining LLC
- **Controller:** Sev.en Global Investments a.s.
- **Public source rows linked:** 5,479
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Sev.en Global Investments a.s. (0158381) → Pine Branch Mining LLC (0125574) → Combs Branch Job (1516883)**

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

## Controller and operator valid-time history

- **David A  Duff → Pine Branch Coal Sales Inc:** 1990-05-01 through 2012-11-08; derived from co-tenure at mine 1516883; source `msha-controller-operator-history`.
- **Thomas A  Potter et al → Pine Branch Mining LLC:** 2012-11-09 through 2013-06-30; derived from co-tenure at mine 1516883; source `msha-controller-operator-history`.
- **John M  Potter et al → Pine Branch Mining LLC:** 2012-11-09 through 2013-06-30; derived from co-tenure at mine 1516883; source `msha-controller-operator-history`.
- **Blackhawk Mining LLC → Pine Branch Mining LLC:** 2013-07-01 through 2020-05-31; derived from co-tenure at mine 1516883; source `msha-controller-operator-history`.
- **Sev.en Global Investments a.s. → Pine Branch Mining LLC:** 2020-06-01 through current/open; derived from co-tenure at mine 1516883; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 11
- 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 — 1 since 2021:** Accidents and injuries 66 historical accident/injury rows; 1 coded fatalities and 3,452 lost days across the published record.
2. **COMPLIANCE — 79 since 2021:** Violations and penalties 647 violation rows across the full record; 223 carry an S&S flag and $243,764 appears in current assessed amounts.
3. **HEALTH — 1K samples:** Occupational health samples 694 coal dust; 43 coal quartz; 300 noise. 0 personal-sample rows have a published C/E ratio above 1; 33 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 — 52K tons:** Quarterly production and employment 15K employee hours and 23 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 281 linked rows:** Contests, conferences and decisions 132 contested-violation rows, 131 civil-penalty docket/decision rows, and 18 conference records linked by issuance number.
6. **CONTRACTORS — 17 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 — 29 since 2021:** Inspections 168 inspection events and 8K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 100,750 short tons
- **Labor hours:** 42,464
- **Average employees:** 13
- **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 77.1607 — Loading and haulage equipment; operation.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607
- **30 CFR 48.28 — Annual refresher training of miners; minimum courses of instruction; hours of instruction.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.28
- **30 CFR 77.404 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **30 CFR 77.1104 — Accumulations of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606

## Source coverage

- **Accident, Injuries, and Illnesses:** 66 rows; 2000-06-26 through 2026-05-20; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2022-02-22 through 2022-02-22; source ID `msha-addresses`
- **Assessed Violations:** 634 rows; 2000-09-12 through 2026-01-08; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 131 rows; 2010-05-07 through 2017-06-28; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 694 rows; 2000-01-05 through 2026-07-22; source ID `msha-coal-dust-samples`
- **Conferences:** 18 rows; 2000-10-17 through 2015-10-02; source ID `msha-conferences`
- **Contested Violations:** 132 rows; 2009-02-27 through 2016-12-12; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,002 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 431 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1990-05-01 through 2012-11-09; source ID `msha-controller-operator-history`
- **Inspections:** 168 rows; 2000-02-23 through 2026-09-30; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 165 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 41 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 300 rows; 2000-02-23 through 2026-07-16; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 43 rows; 2000-02-23 through 2026-07-16; source ID `msha-quartz-samples`
- **Violations:** 647 rows; 2000-09-12 through 2026-10-05; 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/combs-branch-job-1516883`
- JSON: `/api/v1/mines/combs-branch-job-1516883`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1516883/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1516883/relationships`
- MCP resource: `mine://1516883/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`