# White Rock Quarries - South

- **MSHA mine ID:** 0800057
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Miami-Dade, FL
- **Operator:** White Rock Quarries
- **Controller:** Vecellio Group Inc
- **Public source rows linked:** 1,604
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Vecellio Group Inc (M03329) → White Rock Quarries (L09020) → White Rock Quarries - South (0800057)**

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

## Controller and operator valid-time history

- **L G  Bunnell → Miami Crushed Rock Inc:** 1950-01-01 through 1996-06-29; derived from co-tenure at mine 0800057; source `msha-controller-operator-history`.
- **Superfos America Inc → Pan American Construction Lp:** 1996-06-30 through 1999-10-18; derived from co-tenure at mine 0800057; source `msha-controller-operator-history`.
- **Ashland Inc → Miami Crushed Rock:** 1999-10-19 through 2003-12-15; derived from co-tenure at mine 0800057; source `msha-controller-operator-history`.
- **Ashland Inc → APAC Southeast, Inc. Southern Florida Division:** 2003-12-16 through 2005-01-02; derived from co-tenure at mine 0800057; source `msha-controller-operator-history`.
- **Vecellio Group Inc → White Rock Quarries:** 2005-01-03 through current/open; derived from co-tenure at mine 0800057; source `msha-controller-operator-history`.
- **CRH PLC → APAC Southeast, Inc. Southern Florida Division:** 2006-08-28 through 2005-01-02; derived from co-tenure at mine 0800057; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 17
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 14 historical accident/injury rows; 0 coded fatalities and 47 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 106 violation rows across the full record; 29 carry an S&S flag and $67,117 appears in current assessed amounts.
3. **HEALTH — 25 samples:** Occupational health samples 25 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 13K employee hours and 20 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 17 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 7 civil-penalty docket/decision rows, and 10 conference records linked by issuance number.
6. **CONTRACTORS — 11 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 — 0 since 2021:** Inspections 57 inspection events and 881 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 56.4201 — 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 47.41 — Requirement for container labels.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **30 CFR 56.14132 — Horns and backup alarms.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **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 56.14100 — 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 56.12032 — 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 56.4200 — General requirements.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200

## Source coverage

- **Accident, Injuries, and Illnesses:** 14 rows; 2005-02-22 through 2017-01-27; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1975-01-30 through 1975-01-30; source ID `msha-addresses`
- **Assessed Violations:** 104 rows; 2000-08-24 through 2019-04-25; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 7 rows; 2001-05-09 through 2001-05-09; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 10 rows; 2006-04-04 through 2015-04-30; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 996 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 213 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 1950-01-01 through 2005-01-03; source ID `msha-controller-operator-history`
- **Inspections:** 57 rows; 2000-08-24 through 2020-01-23; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 24 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:** 25 rows; 2001-10-17 through 2018-06-13; source ID `msha-personal-health-samples`
- **Violations:** 106 rows; 2000-08-24 through 2019-04-25; 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/white-rock-quarries-south-0800057`
- JSON: `/api/v1/mines/white-rock-quarries-south-0800057`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0800057/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0800057/relationships`
- MCP resource: `mine://0800057/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`