# Cave Run Stone

- **MSHA mine ID:** 1507194
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Morgan, KY
- **Operator:** Hinkle Contracting Company LLC
- **Controller:** CRH PLC
- **Public source rows linked:** 1,987
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**CRH PLC (M06183) → Hinkle Contracting Company LLC (L02333) → Cave Run Stone (1507194)**

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

## Controller and operator valid-time history

- **Rick  Ruth → Ken-Mor Stone Inc:** 1978-03-09 through 2000-11-19; derived from co-tenure at mine 1507194; source `msha-controller-operator-history`.
- **Hinkle Contracting Corp  et al → Cave Run Stone,  LLC:** 2000-11-20 through 2008-03-03; derived from co-tenure at mine 1507194; source `msha-controller-operator-history`.
- **Walker Ventures LLC  et al → Cave Run Stone,  LLC:** 2000-11-20 through 2008-03-03; derived from co-tenure at mine 1507194; source `msha-controller-operator-history`.
- **Summit Materials LLC → Hinkle Contracting Company LLC:** 2008-03-04 through 2022-05-13; derived from co-tenure at mine 1507194; source `msha-controller-operator-history`.
- **CRH PLC → Hinkle Contracting Company LLC:** 2022-05-14 through current/open; derived from co-tenure at mine 1507194; 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 1 since 2021:** Accidents and injuries 12 historical accident/injury rows; 0 coded fatalities and 342 lost days across the published record.
2. **COMPLIANCE — 14 since 2021:** Violations and penalties 143 violation rows across the full record; 30 carry an S&S flag and $24,834 appears in current assessed amounts.
3. **HEALTH — 36 samples:** Occupational health samples 36 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 6K employee hours and 11 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 12 linked rows:** Contests, conferences and decisions 3 contested-violation rows, 3 civil-penalty docket/decision rows, and 6 conference records linked by issuance number.
6. **CONTRACTORS — 9 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 78 inspection events and 2K 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 56.4402 — Safety can use.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4402
- **30 CFR 56.4230 — Self-propelled equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4230
- **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 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.14101 — Brakes.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **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 56.9315 — Dust control.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9315
- **30 CFR 46.8 — Annual refresher training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207

## Source coverage

- **Accident, Injuries, and Illnesses:** 12 rows; 2001-08-23 through 2022-10-25; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2000-11-20 through 2000-11-20; source ID `msha-addresses`
- **Assessed Violations:** 143 rows; 2000-05-03 through 2026-06-15; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 3 rows; 2007-10-31 through 2013-05-01; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 6 rows; 2002-06-24 through 2006-12-14; source ID `msha-conferences`
- **Contested Violations:** 3 rows; 2006-11-07 through 2012-10-24; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,014 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 207 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1978-03-09 through 2008-03-04; source ID `msha-controller-operator-history`
- **Inspections:** 78 rows; 2000-05-03 through 2026-06-11; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 265 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 70 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:** 36 rows; 2003-07-16 through 2026-06-16; source ID `msha-personal-health-samples`
- **Violations:** 143 rows; 2000-05-03 through 2026-06-15; 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/cave-run-stone-1507194`
- JSON: `/api/v1/mines/cave-run-stone-1507194`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1507194/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1507194/relationships`
- MCP resource: `mine://1507194/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`