# CORAL GRAY QUARRY

- **MSHA mine ID:** 3800586
- **Status:** Intermittent
- **Type / commodity:** Surface / Dimension Stone NEC
- **Location:** Lancaster, SC
- **Operator:** Georgia Stone Management LLC
- **Controller:** Donald  Conte
- **Public source rows linked:** 308
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Donald  Conte (0187481) → Georgia Stone Management LLC (0198133) → CORAL GRAY QUARRY (3800586)**

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

## Controller and operator valid-time history

- **Thomas F  Purner → Matthews International Corp:** 1981-07-01 through 1992-05-31; derived from co-tenure at mine 3800586; source `msha-controller-operator-history`.
- **George T  Oglesby → Carolina Quarries Inc:** 1992-06-01 through 1997-10-31; derived from co-tenure at mine 3800586; source `msha-controller-operator-history`.
- **Kurt M  Swenson → Carolina Quarries Inc:** 1997-11-01 through 2007-05-31; derived from co-tenure at mine 3800586; source `msha-controller-operator-history`.
- **Antonio C  Ramos → Georgia Stone Industries Inc.:** 2007-06-01 through 2024-09-09; derived from co-tenure at mine 3800586; source `msha-controller-operator-history`.
- **Polycor Inc → Carolina Quarries Inc:** 2016-09-21 through 2007-05-31; derived from co-tenure at mine 3800586; source `msha-controller-operator-history`.
- **TorQuest Partners Inc → Carolina Quarries Inc:** 2023-02-16 through 2007-05-31; derived from co-tenure at mine 3800586; source `msha-controller-operator-history`.
- **Polycor Inc → Carolina Quarries Inc:** 2023-09-01 through 2007-05-31; derived from co-tenure at mine 3800586; source `msha-controller-operator-history`.
- **Donald  Conte → Georgia Stone Management LLC:** 2024-09-10 through current/open; derived from co-tenure at mine 3800586; source `msha-controller-operator-history`.
- **Martin Marietta Materials Inc → Carolina Quarries Inc:** 2026-01-28 through 2007-05-31; derived from co-tenure at mine 3800586; source `msha-controller-operator-history`.

- History rows: 9
- Typed edges: 23
- Interval anomalies: 4
- 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 2 historical accident/injury rows; 0 coded fatalities and 8 lost days across the published record.
2. **COMPLIANCE — 2 since 2021:** Violations and penalties 43 violation rows across the full record; 9 carry an S&S flag and $12,595 appears in current assessed amounts.
3. **HEALTH — 8 samples:** Occupational health samples 8 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 20 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 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 — 9 since 2021:** Inspections 46 inspection events and 351 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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (7 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **30 CFR 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130
- **30 CFR 50.20 — Preparation and submission of MSHA Report Form 7000-1—Mine Accident, Injury, and Illness Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2008-03-18 through 2012-03-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2011-11-29 through 2011-11-29; source ID `msha-addresses`
- **Assessed Violations:** 42 rows; 2003-12-16 through 2024-09-09; source ID `msha-assessed-violations`
- **Contractor Employment and Production — Quarterly:** 76 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 22 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 9 rows; 1981-07-01 through 2024-09-10; source ID `msha-controller-operator-history`
- **Inspections:** 46 rows; 2000-07-19 through 2026-01-02; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 21 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 37 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:** 8 rows; 2002-02-13 through 2010-08-10; source ID `msha-personal-health-samples`
- **Violations:** 43 rows; 2003-12-16 through 2024-09-09; 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/coral-gray-quarry-3800586`
- JSON: `/api/v1/mines/coral-gray-quarry-3800586`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3800586/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3800586/relationships`
- MCP resource: `mine://3800586/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`