# Black Hawk

- **MSHA mine ID:** 1103248
- **Status:** Active
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Randolph, IL
- **Operator:** Knight Hawk Coal LLC
- **Controller:** CBR Investments, LLC; CBR Investments II, LLC
- **Public source rows linked:** 759
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**CBR Investments, LLC; CBR Investments II, LLC (0165661) → Knight Hawk Coal LLC (P23970) → Black Hawk (1103248)**

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

## Controller and operator valid-time history

- **James O  Bunn  et al → Knight Hawk Coal LLC:** 2012-03-20 through 2012-05-31; derived from co-tenure at mine 1103248; source `msha-controller-operator-history`.
- **Franklin D  Robertson  et al → Knight Hawk Coal LLC:** 2012-03-20 through 2012-05-31; derived from co-tenure at mine 1103248; source `msha-controller-operator-history`.
- **James O.  Bunn et al → Knight Hawk Coal LLC:** 2012-06-01 through 2021-01-03; derived from co-tenure at mine 1103248; source `msha-controller-operator-history`.
- **Franklin D.  Robertson et al → Knight Hawk Coal LLC:** 2012-06-01 through 2021-01-03; derived from co-tenure at mine 1103248; source `msha-controller-operator-history`.
- **Arch Coal Inc. et al → Knight Hawk Coal LLC:** 2012-06-01 through 2021-01-03; derived from co-tenure at mine 1103248; source `msha-controller-operator-history`.
- **CBR Investments LLC et al → Knight Hawk Coal LLC:** 2021-01-04 through 2021-11-16; derived from co-tenure at mine 1103248; source `msha-controller-operator-history`.
- **Arch Coal Inc et al → Knight Hawk Coal LLC:** 2021-01-04 through 2021-11-16; derived from co-tenure at mine 1103248; source `msha-controller-operator-history`.
- **CBR Investments, LLC et al → Knight Hawk Coal LLC:** 2021-11-17 through current/open; derived from co-tenure at mine 1103248; source `msha-controller-operator-history`.
- **CBR Investments II, LLC et al → Knight Hawk Coal LLC:** 2021-11-17 through current/open; derived from co-tenure at mine 1103248; source `msha-controller-operator-history`.

- History rows: 9
- Typed edges: 14
- 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 6 historical accident/injury rows; 0 coded fatalities and 34 lost days across the published record.
2. **COMPLIANCE — 4 since 2021:** Violations and penalties 26 violation rows across the full record; 4 carry an S&S flag and $5,385 appears in current assessed amounts.
3. **HEALTH — 300 samples:** Occupational health samples 216 coal dust; 21 coal quartz; 63 noise. 0 personal-sample rows have a published C/E ratio above 1; 4 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 3K employee hours and 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 3 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 44 inspection events and 1K 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 77.410 — Mobile equipment; automatic warning devices.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **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 77.1606 — Loading and haulage equipment; inspection and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **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 77.1605 — 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
- **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 77.1302 — Vehicles used to transport explosives.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-N/section-77.1302
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 6 rows; 2012-05-29 through 2017-05-24; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-08-21 through 2026-08-21; source ID `msha-addresses`
- **Assessed Violations:** 26 rows; 2012-08-07 through 2026-03-24; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2016-04-28 through 2016-04-28; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 216 rows; 2012-08-07 through 2026-09-22; source ID `msha-coal-dust-samples`
- **Conferences:** 1 rows; 2015-09-18 through 2015-09-18; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2015-06-30 through 2015-06-30; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 209 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 63 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 9 rows; 2012-03-20 through 2012-03-20; source ID `msha-controller-operator-history`
- **Inspections:** 44 rows; 2012-08-06 through 2026-09-30; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 57 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 14 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 63 rows; 2012-09-04 through 2026-09-22; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 21 rows; 2013-07-16 through 2026-09-22; source ID `msha-quartz-samples`
- **Violations:** 26 rows; 2012-08-07 through 2026-03-24; 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/black-hawk-1103248`
- JSON: `/api/v1/mines/black-hawk-1103248`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1103248/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1103248/relationships`
- MCP resource: `mine://1103248/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`