# Bear Branch E3-1

- **MSHA mine ID:** 1518662
- **Status:** Temporarily Idled
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Perry, KY
- **Operator:** Blue Diamond Mining LLC
- **Controller:** Sev.en Global Investments a.s.
- **Public source rows linked:** 10,156
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Sev.en Global Investments a.s. (0158381) → Blue Diamond Mining LLC (0134733) → Bear Branch E3-1 (1518662)**

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

## Controller and operator valid-time history

- **TECO Energy Inc → Perry County Coal, LLC.:** 2003-08-25 through 2015-09-20; derived from co-tenure at mine 1518662; source `msha-controller-operator-history`.
- **Cambrian Coal Corp → Perry County Coal, LLC.:** 2015-09-21 through 2019-06-15; derived from co-tenure at mine 1518662; source `msha-controller-operator-history`.
- **J Mark  Campbell → Perry County Coal, LLC.:** 2019-06-16 through 2019-09-26; derived from co-tenure at mine 1518662; source `msha-controller-operator-history`.
- **American Resources Corporation → Perry County Resources:** 2019-09-27 through 2021-03-24; derived from co-tenure at mine 1518662; source `msha-controller-operator-history`.
- **American Resources Corporation → Perry County Coal, LLC.:** 2019-10-01 through 2019-09-26; derived from co-tenure at mine 1518662; source `msha-controller-operator-history`.
- **Blackhawk Mining LLC → Blue Diamond Mining LLC:** 2021-03-25 through 2020-05-31; derived from co-tenure at mine 1518662; source `msha-controller-operator-history`.
- **Sev.en Global Investments a.s. → Blue Diamond Mining LLC:** 2021-03-25 through current/open; derived from co-tenure at mine 1518662; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 17
- Interval anomalies: 2
- 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 284 historical accident/injury rows; 0 coded fatalities and 3,911 lost days across the published record.
2. **COMPLIANCE — 1 since 2021:** Violations and penalties 2,266 violation rows across the full record; 642 carry an S&S flag and $1,602,085 appears in current assessed amounts.
3. **HEALTH — 2K samples:** Occupational health samples 1,720 coal dust; 72 coal quartz; 203 noise. 0 personal-sample rows have a published C/E ratio above 1; 37 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 1,305 linked rows:** Contests, conferences and decisions 595 contested-violation rows, 593 civil-penalty docket/decision rows, and 117 conference records linked by issuance number.
6. **CONTRACTORS — 9 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 — 27 since 2021:** Inspections 853 inspection events and 24K 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 75.1711 — Sealing of mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711
- **30 CFR 75.1506 — Refuge alternatives.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-P/section-75.1506
- **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 77.516 — Electric wiring and equipment; installation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.516
- **30 CFR 75.1400-3 — Daily examination of hoisting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1400-3
- **30 CFR 75.310 — Installation of main mine fans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.310
- **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 77.1110 — 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 75.1400 — Hoisting equipment; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1400

## Source coverage

- **Accident, Injuries, and Illnesses:** 284 rows; 2004-08-20 through 2019-03-04; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-01-19 through 2024-01-19; source ID `msha-addresses`
- **Assessed Violations:** 2,203 rows; 2004-03-18 through 2022-03-15; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 593 rows; 2006-08-21 through 2019-09-09; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 1,720 rows; 2004-08-16 through 2023-09-20; source ID `msha-coal-dust-samples`
- **Conferences:** 117 rows; 2005-02-10 through 2015-12-05; source ID `msha-conferences`
- **Contested Violations:** 595 rows; 2005-07-27 through 2019-01-31; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 866 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 203 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 2003-08-25 through 2021-03-25; source ID `msha-controller-operator-history`
- **Inspections:** 853 rows; 2003-08-26 through 2026-08-24; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 150 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 22 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 203 rows; 2005-04-27 through 2023-09-20; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 72 rows; 2004-09-14 through 2013-10-21; source ID `msha-quartz-samples`
- **Violations:** 2,266 rows; 2004-03-18 through 2022-03-15; 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/bear-branch-e3-1-1518662`
- JSON: `/api/v1/mines/bear-branch-e3-1-1518662`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518662/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518662/relationships`
- MCP resource: `mine://1518662/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`