# Shay #1 Mine

- **MSHA mine ID:** 1100726
- **Status:** NonProducing
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Macoupin, IL
- **Operator:** MaRyan Mining LLC
- **Controller:** Foresight Energy Labor LLC
- **Public source rows linked:** 19,628
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Foresight Energy Labor LLC (0129681) → MaRyan Mining LLC (0098925) → Shay #1 Mine (1100726)**

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

## Controller and operator valid-time history

- **Exxon Mobil Corp → Monterey Coal Company:** 1950-01-01 through 2009-01-21; derived from co-tenure at mine 1100726; source `msha-controller-operator-history`.
- **Foresight Energy/ Murray Energy et al → MaRyan Mining LLC:** 2009-01-22 through 2016-07-31; derived from co-tenure at mine 1100726; source `msha-controller-operator-history`.
- **Coalfield Transport Inc et al → MaRyan Mining LLC:** 2009-01-22 through 2016-07-31; derived from co-tenure at mine 1100726; source `msha-controller-operator-history`.
- **Foresight Energy Labor LLC → MaRyan Mining LLC:** 2016-08-01 through current/open; derived from co-tenure at mine 1100726; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 9
- 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 571 historical accident/injury rows; 0 coded fatalities and 8,167 lost days across the published record.
2. **COMPLIANCE — 4 since 2021:** Violations and penalties 3,090 violation rows across the full record; 790 carry an S&S flag and $2,111,964 appears in current assessed amounts.
3. **HEALTH — 8K samples:** Occupational health samples 7,672 coal dust; 352 coal quartz; 309 noise. 0 personal-sample rows have a published C/E ratio above 1; 77 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 496 employee hours and 1 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 508 linked rows:** Contests, conferences and decisions 203 contested-violation rows, 204 civil-penalty docket/decision rows, and 101 conference records linked by issuance number.
6. **CONTRACTORS — 14 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 770 inspection events and 47K 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 77.1713 — Daily inspection of surface coal mine; certified person; reports of inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1713
- **30 CFR 77.200 — Surface installations; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.200
- **30 CFR 77.1103 — Flammable liquids; storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103
- **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 75.512 — 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 75.400 — Accumulation of combustible materials.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400
- **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 75.403 — Maintenance of incombustible content of rock dust.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.403
- **30 CFR 75.1714-3 — Self-rescue devices; inspection, testing, maintenance, repair, and recordkeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-3
- **30 CFR 75.501 — Permissible electric face equipment; coal seams above water table.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.501
- **30 CFR 75.342 — Methane monitors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.342

## Source coverage

- **Accident, Injuries, and Illnesses:** 571 rows; 2000-01-20 through 2020-02-18; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-03-09 through 2020-03-09; source ID `msha-addresses`
- **Assessed Violations:** 3,054 rows; 2000-01-05 through 2026-08-04; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 204 rows; 2003-10-24 through 2020-08-07; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 7,672 rows; 2000-01-11 through 2020-03-16; source ID `msha-coal-dust-samples`
- **Conferences:** 101 rows; 2000-01-31 through 2020-04-24; source ID `msha-conferences`
- **Contested Violations:** 203 rows; 2005-09-29 through 2026-07-22; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,322 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 480 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 2009-01-22; source ID `msha-controller-operator-history`
- **Inspections:** 770 rows; 2000-01-03 through 2026-08-04; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 401 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 93 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 309 rows; 2000-05-11 through 2020-02-19; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 352 rows; 2000-04-04 through 2020-02-19; source ID `msha-quartz-samples`
- **Violations:** 3,090 rows; 2000-01-05 through 2026-08-04; 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/shay-1-mine-1100726`
- JSON: `/api/v1/mines/shay-1-mine-1100726`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1100726/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1100726/relationships`
- MCP resource: `mine://1100726/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`