# Yard 88 - Pontiac

- **MSHA mine ID:** 1103029
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Livingston, IL
- **Operator:** VCNA Prairie LLC
- **Controller:** VOTORANTIM CIMENTOS
- **Public source rows linked:** 1,387
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-18T09:31:49.615Z

## Current entity hierarchy

**VOTORANTIM CIMENTOS (0040950) → VCNA Prairie LLC (0089365) → Yard 88 - Pontiac (1103029)**

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

## Controller and operator valid-time history

- **Prairie Group → Prairie Material Sales, Inc.:** 1998-07-01 through 2008-02-01; derived from co-tenure at mine 1103029; source `msha-controller-operator-history`.
- **VOTORANTIM CIMENTOS → VCNA Prairie LLC:** 2008-02-02 through current/open; derived from co-tenure at mine 1103029; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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: 2026-10-18T09:31:49.615908+00:00.

## Assessment signals

1. **SAFETY — 6 since 2021:** Accidents and injuries 21 historical accident/injury rows; 0 coded fatalities and 140 lost days across the published record.
2. **COMPLIANCE — 51 since 2021:** Violations and penalties 243 violation rows across the full record; 26 carry an S&S flag and $46,269 appears in current assessed amounts.
3. **HEALTH — 28 samples:** Occupational health samples 28 personal. 5 personal-sample rows have a published C/E ratio above 1; 0 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 10K employee hours and 17 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 61 linked rows:** Contests, conferences and decisions 15 contested-violation rows, 19 civil-penalty docket/decision rows, and 27 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 — 16 since 2021:** Inspections 82 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 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.12013 — Splices and repairs of power cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12013
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **30 CFR 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **30 CFR 56.16001 — Stacking and storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16001
- **30 CFR 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.20011 — Barricades and warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20011
- **30 CFR 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008

## Source coverage

- **Accident, Injuries, and Illnesses:** 21 rows; 2004-02-02 through 2026-07-08; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2011-11-28 through 2011-11-28; source ID `msha-addresses`
- **Assessed Violations:** 243 rows; 2000-03-08 through 2026-03-18; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 19 rows; 2000-12-08 through 2022-03-31; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 27 rows; 2002-08-01 through 2025-03-18; source ID `msha-conferences`
- **Contested Violations:** 15 rows; 2009-03-17 through 2021-06-09; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 373 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 66 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1998-07-01 through 2008-02-02; source ID `msha-controller-operator-history`
- **Inspections:** 82 rows; 2000-03-08 through 2026-03-16; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 212 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 54 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Metal and Nonmetal Personal Health Samples:** 28 rows; 2003-06-19 through 2026-03-19; source ID `msha-personal-health-samples`
- **Violations:** 243 rows; 2000-03-08 through 2026-03-18; 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/yard-88-pontiac-1103029`
- JSON: `/api/v1/mines/yard-88-pontiac-1103029`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1103029/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1103029/relationships`
- MCP resource: `mine://1103029/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`