# Coopers Lane Mine

- **MSHA mine ID:** 1201391
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Clark, IN
- **Operator:** Heidelberg Materials Midwest Agg., Inc.
- **Controller:** Heidelberg Materials AG
- **Public source rows linked:** 2,465
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Heidelberg Materials AG (M00004) → Heidelberg Materials Midwest Agg., Inc. (L16286) → Coopers Lane Mine (1201391)**

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

## Controller and operator valid-time history

- **Robert T  Liter et al → Liter's Quarry Of Indiana Inc:** 1950-01-01 through 2006-01-16; derived from co-tenure at mine 1201391; source `msha-controller-operator-history`.
- **Hanson PLC → Heidelberg Materials Midwest Agg., Inc.:** 2006-01-17 through 2007-08-22; derived from co-tenure at mine 1201391; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Heidelberg Materials Midwest Agg., Inc.:** 2007-08-23 through current/open; derived from co-tenure at mine 1201391; 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 — 2 since 2021:** Accidents and injuries 7 historical accident/injury rows; 0 coded fatalities and 314 lost days across the published record.
2. **COMPLIANCE — 42 since 2021:** Violations and penalties 127 violation rows across the full record; 25 carry an S&S flag and $46,113 appears in current assessed amounts.
3. **HEALTH — 47 samples:** Occupational health samples 44 personal; 3 area. 1 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 9K employee hours and 20 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 9 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 10 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 — 25 since 2021:** Inspections 85 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 56.3430 — Activity between machinery or equipment and the highwall or bank.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3430
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 58.620 — Drill dust control.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-58/subpart-E/section-58.620
- **30 CFR 56.3200 — Correction of hazardous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3200
- **30 CFR 56.11010 — Stairstep clearance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11010
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.3131 — Pit or quarry wall perimeter.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3131

## Source coverage

- **Accident, Injuries, and Illnesses:** 7 rows; 2003-01-16 through 2023-09-13; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1974-12-12 through 1974-12-12; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 3 rows; 2022-03-02 through 2022-03-02; source ID `msha-area-samples`
- **Assessed Violations:** 126 rows; 2000-01-12 through 2026-07-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2011-04-27 through 2023-07-25; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2022-08-12 through 2022-08-12; source ID `msha-conferences`
- **Contested Violations:** 4 rows; 2009-12-01 through 2022-06-07; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,302 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 358 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1950-01-01 through 2006-01-17; source ID `msha-controller-operator-history`
- **Inspections:** 85 rows; 2000-01-12 through 2026-07-28; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 318 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 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:** 44 rows; 2004-05-12 through 2026-01-14; source ID `msha-personal-health-samples`
- **Violations:** 127 rows; 2000-01-12 through 2026-07-30; 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/coopers-lane-mine-1201391`
- JSON: `/api/v1/mines/coopers-lane-mine-1201391`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1201391/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1201391/relationships`
- MCP resource: `mine://1201391/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`