# Patterson Quarry & Mill

- **MSHA mine ID:** 4607350
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Sandstone
- **Location:** Logan, WV
- **Operator:** Patterson Excavating Inc
- **Controller:** Clarence  Patterson
- **Public source rows linked:** 932
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Clarence  Patterson (M37099) → Patterson Excavating Inc (L37099) → Patterson Quarry & Mill (4607350)**

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

## Controller and operator valid-time history

- **Clarence  Patterson → Patterson Excavating Inc:** 1987-09-01 through current/open; derived from co-tenure at mine 4607350; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 — 0 since 2021:** Accidents and injuries 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 39 since 2021:** Violations and penalties 150 violation rows across the full record; 28 carry an S&S flag and $26,844 appears in current assessed amounts.
3. **HEALTH — 77 samples:** Occupational health samples 77 personal. 1 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 5K employee hours and 15 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 19 linked rows:** Contests, conferences and decisions 7 contested-violation rows, 7 civil-penalty docket/decision rows, and 5 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 — 13 since 2021:** Inspections 59 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 56.14100 — Safety defects; examination, correction and records.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **30 CFR 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **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.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **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 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201

## Source coverage

- **Addresses of Record:** 1 rows; 2010-01-19 through 2010-01-19; source ID `msha-addresses`
- **Assessed Violations:** 149 rows; 2000-01-26 through 2026-08-20; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 7 rows; 2012-10-12 through 2013-05-17; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 5 rows; 2015-10-26 through 2024-12-19; source ID `msha-conferences`
- **Contested Violations:** 7 rows; 2011-04-12 through 2012-10-03; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 72 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 10 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 1987-09-01 through 1987-09-01; source ID `msha-controller-operator-history`
- **Inspections:** 59 rows; 2000-01-26 through 2026-08-17; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 312 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:** 77 rows; 2005-03-16 through 2026-08-20; source ID `msha-personal-health-samples`
- **Violations:** 150 rows; 2000-01-26 through 2026-08-20; 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/patterson-quarry-mill-4607350`
- JSON: `/api/v1/mines/patterson-quarry-mill-4607350`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4607350/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4607350/relationships`
- MCP resource: `mine://4607350/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`