# Laurelwood Quarry

- **MSHA mine ID:** 3503439
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Washington, OR
- **Operator:** Western Rock Resources LLC
- **Controller:** Tim  Kerr; Brent  Kerr; Alan  Aplin
- **Public source rows linked:** 952
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Tim  Kerr; Brent  Kerr; Alan  Aplin (0153461) → Western Rock Resources LLC (0168873) → Laurelwood Quarry (3503439)**

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

## Controller and operator valid-time history

- **Lloyd  Town et al → Meisel Rock Products:** 1997-03-01 through 2019-12-01; derived from co-tenure at mine 3503439; source `msha-controller-operator-history`.
- **Brent  Kerr et al → Western Rock Resources LLC:** 2019-12-02 through current/open; derived from co-tenure at mine 3503439; source `msha-controller-operator-history`.
- **Alan  Aplin et al → Western Rock Resources LLC:** 2019-12-02 through current/open; derived from co-tenure at mine 3503439; source `msha-controller-operator-history`.
- **Tim  Kerr et al → Western Rock Resources LLC:** 2019-12-02 through current/open; derived from co-tenure at mine 3503439; source `msha-controller-operator-history`.

- History rows: 4
- 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 — 2 since 2021:** Accidents and injuries 37 historical accident/injury rows; 0 coded fatalities and 157 lost days across the published record.
2. **COMPLIANCE — 15 since 2021:** Violations and penalties 135 violation rows across the full record; 32 carry an S&S flag and $37,763 appears in current assessed amounts.
3. **HEALTH — 29 samples:** Occupational health samples 29 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 3K employee hours and 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 14 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 6 civil-penalty docket/decision rows, and 4 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 71 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 56.14200 — Warnings prior to starting or moving equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14200
- **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 56.12028 — 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 56.18002 — 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 56.4531 — Flammable or combustible liquid storage buildings or rooms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4531
- **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 56.14105 — Procedures during repairs or maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14105
- **30 CFR 56.12023 — Guarding electrical connections and resistor grids.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12023
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.15005 — Safety belts and lines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15005

## Source coverage

- **Accident, Injuries, and Illnesses:** 37 rows; 2000-07-28 through 2023-08-30; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-04-01 through 2020-04-01; source ID `msha-addresses`
- **Assessed Violations:** 124 rows; 2000-05-25 through 2026-06-17; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2004-05-21 through 2011-04-25; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 4 rows; 2004-10-20 through 2004-11-15; source ID `msha-conferences`
- **Contested Violations:** 4 rows; 2005-09-06 through 2009-02-24; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 217 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 53 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1997-03-01 through 2019-12-02; source ID `msha-controller-operator-history`
- **Inspections:** 71 rows; 2000-01-24 through 2026-06-22; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 212 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 54 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:** 29 rows; 2001-11-08 through 2025-05-29; source ID `msha-personal-health-samples`
- **Violations:** 135 rows; 2000-05-25 through 2026-06-17; 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/laurelwood-quarry-3503439`
- JSON: `/api/v1/mines/laurelwood-quarry-3503439`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3503439/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3503439/relationships`
- MCP resource: `mine://3503439/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
