# Jacks Mountain Quarry

- **MSHA mine ID:** 4406847
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Granite
- **Location:** Franklin, VA
- **Operator:** Rogers Group Inc.
- **Controller:** Rogers Group Inc
- **Public source rows linked:** 1,487
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Rogers Group Inc (M00452) → Rogers Group Inc. (L06514) → Jacks Mountain Quarry (4406847)**

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

## Controller and operator valid-time history

- **David D  Willis → Rockydale Quarries Corporation:** 1996-08-01 through 2016-05-17; derived from co-tenure at mine 4406847; source `msha-controller-operator-history`.
- **Willis Trust et al → Rockydale Quarries Corporation:** 2016-05-18 through 2026-06-04; derived from co-tenure at mine 4406847; source `msha-controller-operator-history`.
- **Rogers Group Inc → Rogers Group Inc.:** 2026-06-05 through current/open; derived from co-tenure at mine 4406847; 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 21 historical accident/injury rows; 0 coded fatalities and 648 lost days across the published record.
2. **COMPLIANCE — 11 since 2021:** Violations and penalties 153 violation rows across the full record; 31 carry an S&S flag and $58,695 appears in current assessed amounts.
3. **HEALTH — 59 samples:** Occupational health samples 59 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 13 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 35 linked rows:** Contests, conferences and decisions 19 contested-violation rows, 16 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 — 17 since 2021:** Inspections 73 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 56.12028 — Testing grounding systems.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **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 56.12004 — 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 56.14112 — 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 56.20003 — Housekeeping.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **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 50.20 — Preparation and submission of MSHA Report Form 7000-1—Mine Accident, Injury, and Illness Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20

## Source coverage

- **Accident, Injuries, and Illnesses:** 21 rows; 2001-02-26 through 2025-06-23; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1996-08-21 through 1996-08-21; source ID `msha-addresses`
- **Assessed Violations:** 153 rows; 2000-04-05 through 2023-11-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 16 rows; 2012-05-08 through 2015-01-07; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 19 rows; 2011-05-10 through 2013-05-16; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 481 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 119 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1996-08-01 through 2026-06-05; source ID `msha-controller-operator-history`
- **Inspections:** 73 rows; 2000-04-03 through 2026-04-19; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 309 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 79 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:** 59 rows; 2002-04-09 through 2026-04-22; source ID `msha-personal-health-samples`
- **Violations:** 153 rows; 2000-04-05 through 2023-11-16; 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/jacks-mountain-quarry-4406847`
- JSON: `/api/v1/mines/jacks-mountain-quarry-4406847`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4406847/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4406847/relationships`
- MCP resource: `mine://4406847/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`