# Cherokee Co Quarry

- **MSHA mine ID:** 3102138
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Granite
- **Location:** Cherokee, NC
- **Operator:** Harrison Aggregates
- **Controller:** CRH PLC
- **Public source rows linked:** 693
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**CRH PLC (M06183) → Harrison Aggregates (0051196) → Cherokee Co Quarry (3102138)**

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

## Controller and operator valid-time history

- **Ashland Inc → Harrison Construction Co Div/APAC-Tennessee Inc:** 1999-10-01 through 2006-08-27; derived from co-tenure at mine 3102138; source `msha-controller-operator-history`.
- **CRH PLC → Harrison Construction Co Div/APAC-Tennessee Inc:** 2006-08-28 through 2008-10-29; derived from co-tenure at mine 3102138; source `msha-controller-operator-history`.
- **Ashland Inc → Harrison Aggregates:** 2008-10-30 through 2006-08-27; derived from co-tenure at mine 3102138; source `msha-controller-operator-history`.
- **CRH PLC → Harrison Aggregates:** 2008-10-30 through current/open; derived from co-tenure at mine 3102138; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 9
- 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 — 1 since 2021:** Accidents and injuries 6 historical accident/injury rows; 0 coded fatalities and 6 lost days across the published record.
2. **COMPLIANCE — 18 since 2021:** Violations and penalties 58 violation rows across the full record; 12 carry an S&S flag and $11,898 appears in current assessed amounts.
3. **HEALTH — 40 samples:** Occupational health samples 40 personal. 2 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 15 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 5 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 15 since 2021:** Inspections 56 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 56.14107 — Moving machine parts.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.9300 — Berms or guardrails.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.12018 — Identification of power switches.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **30 CFR 56.5001 — Exposure limits for airborne contaminants.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-D/section-56.5001
- **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 56.4104 — Combustible waste.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4104
- **30 CFR 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **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 56.17001 — Illumination of surface working areas.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-P/section-56.17001

## Source coverage

- **Accident, Injuries, and Illnesses:** 6 rows; 2000-02-07 through 2021-05-03; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2018-04-03 through 2018-04-03; source ID `msha-addresses`
- **Assessed Violations:** 58 rows; 2001-07-30 through 2025-08-20; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2008-12-10 through 2014-10-31; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2007-09-24 through 2007-09-24; source ID `msha-conferences`
- **Contested Violations:** 2 rows; 2007-09-05 through 2011-03-01; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 51 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 14 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1999-10-01 through 2008-10-30; source ID `msha-controller-operator-history`
- **Inspections:** 56 rows; 2001-07-30 through 2026-04-29; 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:** 40 rows; 2003-07-10 through 2026-03-12; source ID `msha-personal-health-samples`
- **Violations:** 58 rows; 2001-07-30 through 2025-08-20; 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/cherokee-co-quarry-3102138`
- JSON: `/api/v1/mines/cherokee-co-quarry-3102138`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3102138/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3102138/relationships`
- MCP resource: `mine://3102138/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`