# Mach #1 Mine

- **MSHA mine ID:** 1103141
- **Status:** Active
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Williamson, IL
- **Operator:** Mach Mining LLC
- **Controller:** Foresight Energy Labor LLC
- **Public source rows linked:** 36,251
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Foresight Energy Labor LLC (0129681) → Mach Mining LLC (0061803) → Mach #1 Mine (1103141)**

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

## Controller and operator valid-time history

- **Chris  Cline → Steelhead Development Company, LLC:** 2004-11-08 through 2005-07-06; derived from co-tenure at mine 1103141; source `msha-controller-operator-history`.
- **Chris  Cline → Mach Mining LLC:** 2005-07-07 through 2006-04-19; derived from co-tenure at mine 1103141; source `msha-controller-operator-history`.
- **Foresight Energy/ Murray Energy et al → Mach Mining LLC:** 2006-04-20 through 2016-07-31; derived from co-tenure at mine 1103141; source `msha-controller-operator-history`.
- **Coalfield Transport Inc et al → Mach Mining LLC:** 2006-04-20 through 2016-07-31; derived from co-tenure at mine 1103141; source `msha-controller-operator-history`.
- **Foresight Energy Labor LLC → Mach Mining LLC:** 2016-08-01 through current/open; derived from co-tenure at mine 1103141; 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 — 253 since 2021:** Accidents and injuries 546 historical accident/injury rows; 0 coded fatalities and 18,333 lost days across the published record.
2. **COMPLIANCE — 1,431 since 2021:** Violations and penalties 5,469 violation rows across the full record; 1,187 carry an S&S flag and $4,136,574 appears in current assessed amounts.
3. **HEALTH — 14K samples:** Occupational health samples 12,240 coal dust; 785 coal quartz; 596 noise. 0 personal-sample rows have a published C/E ratio above 1; 148 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 — 1.6M tons:** Quarterly production and employment 172K employee hours and 294 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 2,906 linked rows:** Contests, conferences and decisions 1,376 contested-violation rows, 1,387 civil-penalty docket/decision rows, and 143 conference records linked by issuance number.
6. **CONTRACTORS — 28 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 — 543 since 2021:** Inspections 1,528 inspection events and 66K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 6,413,674 short tons
- **Labor hours:** 631,317
- **Average employees:** 273
- **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 75.202 — 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
- **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 75.370 — 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 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
- **30 CFR 75.1107-16 — Inspection of fire suppression devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1107-16
- **30 CFR 75.503 — Permissible electric face equipment; maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **30 CFR 75.604 — Permanent splicing of trailing cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.604
- **30 CFR 75.1107-9 — Dry chemical devices; capacity; minimum requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1107-9
- **30 CFR 75.1732 — Proximity detection systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1732
- **30 CFR 75.362 — On-shift examination.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.362

## Source coverage

- **Accident, Injuries, and Illnesses:** 546 rows; 2005-11-28 through 2026-09-17; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2006-09-01 through 2006-09-01; source ID `msha-addresses`
- **Assessed Violations:** 5,340 rows; 2005-11-16 through 2026-08-17; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1,387 rows; 2007-06-21 through 2026-10-06; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 12,240 rows; 2001-04-29 through 2026-10-07; source ID `msha-coal-dust-samples`
- **Conferences:** 143 rows; 2006-03-15 through 2026-03-18; source ID `msha-conferences`
- **Contested Violations:** 1,376 rows; 2006-03-02 through 2026-07-28; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 5,276 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1,140 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 2004-11-08 through 2005-07-07; source ID `msha-controller-operator-history`
- **Inspections:** 1,528 rows; 2005-10-11 through 2026-10-07; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 332 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 86 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 596 rows; 2007-10-16 through 2026-06-18; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 785 rows; 2007-02-06 through 2026-09-17; source ID `msha-quartz-samples`
- **Violations:** 5,469 rows; 2005-11-16 through 2026-10-08; 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/mach-1-mine-1103141`
- JSON: `/api/v1/mines/mach-1-mine-1103141`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1103141/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1103141/relationships`
- MCP resource: `mine://1103141/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`