# Rowan Quarry

- **MSHA mine ID:** 3102103
- **Status:** Abandoned
- **Type / commodity:** Surface / Dimension Stone NEC
- **Location:** Rowan, NC
- **Operator:** Vulcan Construction Materials, LLC
- **Controller:** Vulcan Materials Company
- **Public source rows linked:** 832
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Vulcan Materials Company (0071891) → Vulcan Construction Materials, LLC (L16168) → Rowan Quarry (3102103)**

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

## Controller and operator valid-time history

- **Thomas E  Evans et al → Piedmont Quarries:** 1994-04-01 through 1998-11-03; derived from co-tenure at mine 3102103; source `msha-controller-operator-history`.
- **Kurt M  Swenson → Carolina Quarries Inc:** 1998-11-04 through 2016-09-20; derived from co-tenure at mine 3102103; source `msha-controller-operator-history`.
- **Polycor Inc → Carolina Quarries Inc:** 2016-09-21 through 2021-04-07; derived from co-tenure at mine 3102103; source `msha-controller-operator-history`.
- **Vulcan Materials Company → Vulcan Construction Materials, LLC:** 2021-04-08 through current/open; derived from co-tenure at mine 3102103; source `msha-controller-operator-history`.
- **Legacy Vulcan Corp (Form:Vulcan Materials Co) → Vulcan Construction Materials, LLC:** 2021-04-08 through 2007-11-15; derived from co-tenure at mine 3102103; source `msha-controller-operator-history`.
- **TorQuest Partners Inc → Carolina Quarries Inc:** 2023-02-16 through 2021-04-07; derived from co-tenure at mine 3102103; source `msha-controller-operator-history`.
- **Polycor Inc → Carolina Quarries Inc:** 2023-09-01 through 2021-04-07; derived from co-tenure at mine 3102103; source `msha-controller-operator-history`.
- **Martin Marietta Materials Inc → Carolina Quarries Inc:** 2026-01-28 through 2021-04-07; derived from co-tenure at mine 3102103; source `msha-controller-operator-history`.

- History rows: 8
- Typed edges: 19
- 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 31 historical accident/injury rows; 0 coded fatalities and 877 lost days across the published record.
2. **COMPLIANCE — 2 since 2021:** Violations and penalties 144 violation rows across the full record; 41 carry an S&S flag and $122,542 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 185 employee hours and 1 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 32 linked rows:** Contests, conferences and decisions 16 contested-violation rows, 16 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 5 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 — 6 since 2021:** Inspections 93 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 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **30 CFR 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **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 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 56.12002 — Controls and switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12002
- **30 CFR 56.6132 — Magazine requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-E/section-56.6132
- **30 CFR 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **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 56.14100 — 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 56.16006 — Protection of gas cylinder valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006
- **30 CFR 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101

## Source coverage

- **Accident, Injuries, and Illnesses:** 31 rows; 2000-03-23 through 2015-07-22; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2023-11-16 through 2023-11-16; source ID `msha-addresses`
- **Assessed Violations:** 136 rows; 2000-01-03 through 2022-04-06; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 16 rows; 2010-03-23 through 2017-09-18; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 16 rows; 2008-08-05 through 2017-03-07; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 98 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 18 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 8 rows; 1994-04-01 through 2021-04-08; source ID `msha-controller-operator-history`
- **Inspections:** 93 rows; 2000-01-03 through 2023-09-20; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 187 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 47 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; 2001-01-23 through 2018-06-26; source ID `msha-personal-health-samples`
- **Violations:** 144 rows; 2000-01-03 through 2022-04-06; 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/rowan-quarry-3102103`
- JSON: `/api/v1/mines/rowan-quarry-3102103`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3102103/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3102103/relationships`
- MCP resource: `mine://3102103/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`