# DON C. RUSHING

- **MSHA mine ID:** 1504272
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Spencer, KY
- **Operator:** Mulzer Crushed Stone, A CRH Company
- **Controller:** CRH PLC
- **Public source rows linked:** 402
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**CRH PLC (M06183) → Mulzer Crushed Stone, A CRH Company (L00309) → DON C. RUSHING (1504272)**

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

## Controller and operator valid-time history

- **Pat A  Yager → Yager Materials LLC:** 1950-01-01 through 2019-01-30; derived from co-tenure at mine 1504272; source `msha-controller-operator-history`.
- **Carmeuse Holding SA → Yager Materials LLC:** 2019-01-31 through 2019-06-30; derived from co-tenure at mine 1504272; source `msha-controller-operator-history`.
- **Carmeuse Holding SA → Yager Materials Corp.:** 2019-07-01 through 2024-10-11; derived from co-tenure at mine 1504272; source `msha-controller-operator-history`.
- **Bart  Mulzer et al → Mulzer Crushed Stone, A CRH Company:** 2024-10-12 through 2017-02-09; derived from co-tenure at mine 1504272; source `msha-controller-operator-history`.
- **CRH PLC → Mulzer Crushed Stone, A CRH Company:** 2024-10-12 through current/open; derived from co-tenure at mine 1504272; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 13
- Interval anomalies: 1
- 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 2 historical accident/injury rows; 0 coded fatalities and 132 lost days across the published record.
2. **COMPLIANCE — 8 since 2021:** Violations and penalties 52 violation rows across the full record; 11 carry an S&S flag and $5,955 appears in current assessed amounts.
3. **HEALTH — 20 samples:** Occupational health samples 20 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 4K employee hours and 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 8 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 — 13 since 2021:** Inspections 63 inspection events and 843 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 56.14100 — 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 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
- **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 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **30 CFR 56.12020 — Protection of persons at switchgear.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12020
- **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 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **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 56.12016 — Work on electrically-powered equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12016

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2012-02-16 through 2012-02-22; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1985-02-11 through 1985-02-11; source ID `msha-addresses`
- **Assessed Violations:** 52 rows; 2000-08-29 through 2026-02-05; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2025-11-26 through 2026-07-17; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 4 rows; 2024-12-09 through 2025-08-12; source ID `msha-contested-violations`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 2024-10-12; source ID `msha-controller-operator-history`
- **Inspections:** 63 rows; 2000-03-14 through 2026-05-17; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 158 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 40 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:** 20 rows; 2001-08-01 through 2026-06-02; source ID `msha-personal-health-samples`
- **Violations:** 52 rows; 2000-08-29 through 2026-02-05; 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/don-c-rushing-1504272`
- JSON: `/api/v1/mines/don-c-rushing-1504272`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1504272/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1504272/relationships`
- MCP resource: `mine://1504272/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`