# Viper Mine

- **MSHA mine ID:** 1102664
- **Status:** NonProducing
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Sangamon, IL
- **Operator:** ICG-Illinois, LLC
- **Controller:** Knight Hawk Holdings, LLC
- **Public source rows linked:** 29,272
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Knight Hawk Holdings, LLC (0160241) → ICG-Illinois, LLC (0054841) → Viper Mine (1102664)**

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

## Controller and operator valid-time history

- **Shell Oil Company → Turris Coal Company:** 1979-02-01 through 1992-10-05; derived from co-tenure at mine 1102664; source `msha-controller-operator-history`.
- **Zeigler Coal Holding Company → Turris Coal Company:** 1992-10-06 through 1998-09-01; derived from co-tenure at mine 1102664; source `msha-controller-operator-history`.
- **Horizon Natural Resources Incorporated → Turris Coal Company:** 1998-09-02 through 2004-09-29; derived from co-tenure at mine 1102664; source `msha-controller-operator-history`.
- **International Coal Group Inc (ICG) → ICG-Illinois, LLC:** 2004-09-30 through 2011-06-14; derived from co-tenure at mine 1102664; source `msha-controller-operator-history`.
- **Arch Resources Inc → ICG-Illinois, LLC:** 2011-06-15 through 2020-12-31; derived from co-tenure at mine 1102664; source `msha-controller-operator-history`.
- **Knight Hawk Holdings, LLC → ICG-Illinois, LLC:** 2021-01-01 through current/open; derived from co-tenure at mine 1102664; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 16
- 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 — 23 since 2021:** Accidents and injuries 530 historical accident/injury rows; 0 coded fatalities and 7,024 lost days across the published record.
2. **COMPLIANCE — 433 since 2021:** Violations and penalties 4,448 violation rows across the full record; 1,112 carry an S&S flag and $3,152,122 appears in current assessed amounts.
3. **HEALTH — 15K samples:** Occupational health samples 13,334 coal dust; 1,112 coal quartz; 498 noise. 0 personal-sample rows have a published C/E ratio above 1; 161 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 1K employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 938 linked rows:** Contests, conferences and decisions 382 contested-violation rows, 382 civil-penalty docket/decision rows, and 174 conference records linked by issuance number.
6. **CONTRACTORS — 12 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 — 187 since 2021:** Inspections 1,091 inspection events and 81K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 246,266 short tons
- **Labor hours:** 94,866
- **Average employees:** 55
- **Coal supply region:** Illinois Basin
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 75.1714-2 — Self-rescue devices; use and location requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-2
- **30 CFR 75.511 — Low-, medium-, or high-voltage distribution circuits and equipment; repair.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.511
- **30 CFR 75.400 — Accumulation of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400
- **30 CFR 75.1714-7 — Multi-gas detectors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-7
- **30 CFR 75.507-1 — Electric equipment other than power-connection points; outby the last open crosscut; return air; permissibility requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.507-1
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **30 CFR 75.512 — Electric equipment; examination, testing and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512
- **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 75.1107-13 — Approval of other fire suppression devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1107-13
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202

## Source coverage

- **Accident, Injuries, and Illnesses:** 530 rows; 2000-01-09 through 2024-01-29; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-01-28 through 2025-01-28; source ID `msha-addresses`
- **Assessed Violations:** 4,379 rows; 2000-01-04 through 2024-09-05; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 382 rows; 2000-12-20 through 2025-04-11; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 13,334 rows; 2000-01-03 through 2025-02-11; source ID `msha-coal-dust-samples`
- **Conferences:** 174 rows; 2000-07-27 through 2024-04-30; source ID `msha-conferences`
- **Contested Violations:** 382 rows; 2008-01-29 through 2024-08-14; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,037 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 390 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 1979-02-01 through 2004-09-30; source ID `msha-controller-operator-history`
- **Inspections:** 1,091 rows; 2000-01-03 through 2026-07-15; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 410 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 97 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 498 rows; 2000-04-26 through 2025-02-11; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 1,112 rows; 2000-01-04 through 2025-02-11; source ID `msha-quartz-samples`
- **Violations:** 4,448 rows; 2000-01-04 through 2024-09-05; 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/viper-mine-1102664`
- JSON: `/api/v1/mines/viper-mine-1102664`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1102664/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1102664/relationships`
- MCP resource: `mine://1102664/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`