# Flatrock Quarry

- **MSHA mine ID:** 4400081
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Shenandoah, VA
- **Operator:** Rogers Group Inc.
- **Controller:** Rogers Group Inc
- **Public source rows linked:** 1,411
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Rogers Group Inc (M00452) → Rogers Group Inc. (L06514) → Flatrock Quarry (4400081)**

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

## Controller and operator valid-time history

- **Larry  Thomas → C S Mundy Quarries Inc:** 1950-01-01 through 1981-05-31; derived from co-tenure at mine 4400081; source `msha-controller-operator-history`.
- **Eagle Corp → C S Mundy Quarries Inc:** 1981-06-01 through 2011-06-30; derived from co-tenure at mine 4400081; source `msha-controller-operator-history`.
- **David D  Willis → Mundy Stone Company:** 2011-07-01 through 2016-05-17; derived from co-tenure at mine 4400081; source `msha-controller-operator-history`.
- **Willis Trust et al → Mundy Stone Company:** 2016-05-18 through 2016-09-05; derived from co-tenure at mine 4400081; source `msha-controller-operator-history`.
- **Rockydale Quarries Corporation → Mundy Stone Company:** 2016-09-06 through 2026-06-04; derived from co-tenure at mine 4400081; source `msha-controller-operator-history`.
- **Rogers Group Inc → Rogers Group Inc.:** 2026-06-05 through current/open; derived from co-tenure at mine 4400081; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 16
- 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 — 3 since 2021:** Accidents and injuries 13 historical accident/injury rows; 1 coded fatalities and 33 lost days across the published record.
2. **COMPLIANCE — 26 since 2021:** Violations and penalties 90 violation rows across the full record; 17 carry an S&S flag and $24,969 appears in current assessed amounts.
3. **HEALTH — 44 samples:** Occupational health samples 44 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 8K employee hours and 15 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 45 linked rows:** Contests, conferences and decisions 13 contested-violation rows, 25 civil-penalty docket/decision rows, and 7 conference records linked by issuance number.
6. **CONTRACTORS — 6 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 — 16 since 2021:** Inspections 75 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 56.12032 — 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 56.14205 — Machinery, equipment, and tools.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14205
- **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 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **30 CFR 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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 56.15007 — Protective equipment or clothing for welding, cutting, or working with molten metal.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15007
- **30 CFR 56.4604 — Preparation of pipelines or containers.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4604
- **30 CFR 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 46.7 — New task training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.7
- **30 CFR 56.14209 — Safety procedures for towing.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14209

## Source coverage

- **Accident, Injuries, and Illnesses:** 13 rows; 2001-09-13 through 2026-02-13; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1983-01-13 through 1983-01-13; source ID `msha-addresses`
- **Assessed Violations:** 81 rows; 2000-04-19 through 2026-08-17; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 25 rows; 2000-07-18 through 2018-10-24; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 7 rows; 2002-08-07 through 2026-03-12; source ID `msha-conferences`
- **Contested Violations:** 13 rows; 2010-01-26 through 2026-05-11; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 532 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 124 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 1950-01-01 through 2026-06-05; source ID `msha-controller-operator-history`
- **Inspections:** 75 rows; 2000-04-04 through 2026-10-05; 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:** 44 rows; 2002-03-27 through 2026-08-26; source ID `msha-personal-health-samples`
- **Violations:** 90 rows; 2000-04-19 through 2026-10-06; 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/flatrock-quarry-4400081`
- JSON: `/api/v1/mines/flatrock-quarry-4400081`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4400081/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4400081/relationships`
- MCP resource: `mine://4400081/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`