# Valley Springs Quarry

- **MSHA mine ID:** 0300040
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Boone, AR
- **Operator:** APAC-Central, Inc.
- **Controller:** CRH PLC
- **Public source rows linked:** 1,262
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**CRH PLC (M06183) → APAC-Central, Inc. (L11502) → Valley Springs Quarry (0300040)**

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

## Controller and operator valid-time history

- **Perry D  Holder → Mc Clinton Inc:** 1950-01-01 through 1986-12-31; derived from co-tenure at mine 0300040; source `msha-controller-operator-history`.
- **Ashland Inc → APAC-Central, Inc.:** 1987-01-01 through 2006-08-27; derived from co-tenure at mine 0300040; source `msha-controller-operator-history`.
- **CRH PLC → APAC-Central, Inc.:** 2006-08-28 through current/open; derived from co-tenure at mine 0300040; 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 — 1 since 2021:** Accidents and injuries 4 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 15 since 2021:** Violations and penalties 89 violation rows across the full record; 9 carry an S&S flag and $13,615 appears in current assessed amounts.
3. **HEALTH — 42 samples:** Occupational health samples 42 personal. 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 6K employee hours and 9 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 15 linked rows:** Contests, conferences and decisions 5 contested-violation rows, 5 civil-penalty docket/decision rows, and 5 conference records linked by issuance number.
6. **CONTRACTORS — 4 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 — 14 since 2021:** Inspections 58 inspection events and 949 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 56.5001 — 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 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **30 CFR 56.4101 — Warning signs.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **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
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 4 rows; 2007-05-29 through 2025-05-12; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2021-10-05 through 2021-10-05; source ID `msha-addresses`
- **Assessed Violations:** 88 rows; 2000-10-17 through 2026-04-08; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2010-02-24 through 2011-07-13; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 5 rows; 2000-10-24 through 2008-09-08; source ID `msha-conferences`
- **Contested Violations:** 5 rows; 2008-08-20 through 2010-05-11; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 495 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 139 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1950-01-01 through 1987-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 58 rows; 2000-02-23 through 2026-06-10; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 268 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 59 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:** 42 rows; 2000-10-17 through 2026-06-11; source ID `msha-personal-health-samples`
- **Violations:** 89 rows; 2000-10-17 through 2026-04-08; 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/valley-springs-quarry-0300040`
- JSON: `/api/v1/mines/valley-springs-quarry-0300040`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0300040/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0300040/relationships`
- MCP resource: `mine://0300040/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`