# Amrize The R S & D Mine

- **MSHA mine ID:** 1103144
- **Status:** Active
- **Type / commodity:** Underground / Crushed, Broken Limestone NEC
- **Location:** Kane, IL
- **Operator:** Amrize Mid-America Inc.
- **Controller:** Amrize Ltd
- **Public source rows linked:** 3,670
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Amrize Ltd (0193740) → Amrize Mid-America Inc. (0107425) → Amrize The R S & D Mine (1103144)**

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

## Controller and operator valid-time history

- **Rein-Schultz & Dahl Of Illinois Inc → Lafarge Fox River Inc:** 2005-06-01 through 2006-04-08; derived from co-tenure at mine 1103144; source `msha-controller-operator-history`.
- **Lafarge S A → Lafarge Fox River Inc:** 2006-04-09 through 2009-06-01; derived from co-tenure at mine 1103144; source `msha-controller-operator-history`.
- **Lafarge S A → Amrize Mid-America Inc.:** 2009-06-02 through 2015-07-09; derived from co-tenure at mine 1103144; source `msha-controller-operator-history`.
- **Holcim Ltd → Amrize Mid-America Inc.:** 2015-07-10 through 2025-06-22; derived from co-tenure at mine 1103144; source `msha-controller-operator-history`.
- **Amrize Ltd → Amrize Mid-America Inc.:** 2025-06-23 through current/open; derived from co-tenure at mine 1103144; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 12
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 3 since 2021:** Accidents and injuries 13 historical accident/injury rows; 0 coded fatalities and 687 lost days across the published record.
2. **COMPLIANCE — 210 since 2021:** Violations and penalties 633 violation rows across the full record; 143 carry an S&S flag and $307,475 appears in current assessed amounts.
3. **HEALTH — 290 samples:** Occupational health samples 272 personal; 18 area. 39 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 110 linked rows:** Contests, conferences and decisions 24 contested-violation rows, 24 civil-penalty docket/decision rows, and 62 conference records linked by issuance number.
6. **CONTRACTORS — 13 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 — 43 since 2021:** Inspections 138 inspection events and 6K 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 57.14101 — Brakes.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14101
- **30 CFR 57.14132 — Horns and backup alarms for surface equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14132
- **30 CFR 57.11003 — Construction and maintenance of ladders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11003
- **30 CFR 57.14107 — Moving machine parts.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14107
- **30 CFR 57.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12028
- **30 CFR 57.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11002
- **30 CFR 57.3200 — Correction of hazardous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-B/section-57.3200
- **30 CFR 57.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12018
- **30 CFR 57.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12008

## Source coverage

- **Accident, Injuries, and Illnesses:** 13 rows; 2006-02-15 through 2026-04-14; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2012-01-01 through 2012-01-01; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 18 rows; 2011-02-16 through 2024-06-05; source ID `msha-area-samples`
- **Assessed Violations:** 627 rows; 2005-12-13 through 2026-08-19; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 24 rows; 2006-06-29 through 2021-03-03; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 62 rows; 2008-06-02 through 2025-09-29; source ID `msha-conferences`
- **Contested Violations:** 24 rows; 2005-12-13 through 2020-07-22; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,448 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 341 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 2005-06-01 through 2009-06-02; source ID `msha-controller-operator-history`
- **Inspections:** 138 rows; 2005-12-13 through 2026-08-17; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 63 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:** 272 rows; 2006-06-07 through 2025-12-02; source ID `msha-personal-health-samples`
- **Violations:** 633 rows; 2005-12-13 through 2026-08-19; 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/amrize-the-r-s-d-mine-1103144`
- JSON: `/api/v1/mines/amrize-the-r-s-d-mine-1103144`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1103144/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1103144/relationships`
- MCP resource: `mine://1103144/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`