# I-69 Sand Pit

- **MSHA mine ID:** 1202129
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Vanderburgh, IN
- **Operator:** Mulzer Crushed Stone Inc
- **Controller:** CRH PLC
- **Public source rows linked:** 559
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**CRH PLC (M06183) → Mulzer Crushed Stone Inc (L00309) → I-69 Sand Pit (1202129)**

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

## Controller and operator valid-time history

- **Koester Equipment Inc → Southern Indiana Materials Inc:** 1991-10-01 through 1997-04-21; derived from co-tenure at mine 1202129; source `msha-controller-operator-history`.
- **Bart  Mulzer et al → Mulzer Crushed Stone Inc:** 1997-04-22 through 2017-02-09; derived from co-tenure at mine 1202129; source `msha-controller-operator-history`.
- **CRH PLC → Mulzer Crushed Stone Inc:** 2017-02-10 through current/open; derived from co-tenure at mine 1202129; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 8
- 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 — 1 since 2021:** Accidents and injuries 9 historical accident/injury rows; 0 coded fatalities and 70 lost days across the published record.
2. **COMPLIANCE — 13 since 2021:** Violations and penalties 46 violation rows across the full record; 3 carry an S&S flag and $5,053 appears in current assessed amounts.
3. **HEALTH — 7 samples:** Occupational health samples 7 personal. 0 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 650 employee hours and 1 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 20 linked rows:** Contests, conferences and decisions 8 contested-violation rows, 9 civil-penalty docket/decision rows, and 3 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 — 21 since 2021:** Inspections 59 inspection events and 656 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 56.12028 — Testing grounding systems.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **30 CFR 56.23002 — Written safety program.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-T/section-56.23002
- **30 CFR 56.14131 — Seat belts for haulage trucks.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14131
- **30 CFR 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.3401 — Examination of ground conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3401
- **30 CFR 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **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 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41

## Source coverage

- **Accident, Injuries, and Illnesses:** 9 rows; 2002-04-15 through 2021-07-06; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2016-04-15 through 2016-04-15; source ID `msha-addresses`
- **Assessed Violations:** 46 rows; 2000-09-25 through 2026-08-05; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 9 rows; 2013-05-24 through 2026-09-29; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 3 rows; 2003-10-20 through 2003-10-20; source ID `msha-conferences`
- **Contested Violations:** 8 rows; 2012-12-06 through 2025-08-27; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 187 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 46 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1991-10-01 through 1997-04-22; source ID `msha-controller-operator-history`
- **Inspections:** 59 rows; 2000-09-25 through 2026-08-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 106 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 28 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:** 7 rows; 2003-10-01 through 2025-07-16; source ID `msha-personal-health-samples`
- **Violations:** 46 rows; 2000-09-25 through 2026-08-05; 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/i-69-sand-pit-1202129`
- JSON: `/api/v1/mines/i-69-sand-pit-1202129`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1202129/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1202129/relationships`
- MCP resource: `mine://1202129/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`