# Parkin Quarry

- **MSHA mine ID:** 3503724
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Washington, OR
- **Operator:** Farmington Mobile Crushing LLC
- **Controller:** Rogers Excavating Inc; CFA 3 Inc; Peter F Adams
- **Public source rows linked:** 725
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Rogers Excavating Inc; CFA 3 Inc; Peter F Adams (0175460) → Farmington Mobile Crushing LLC (0130493) → Parkin Quarry (3503724)**

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

## Controller and operator valid-time history

- **Janice  Harman et al → Northwest Boulder & Rock LLC:** 2009-08-10 through 2013-10-29; derived from co-tenure at mine 3503724; source `msha-controller-operator-history`.
- **Casey  Harman et al → Northwest Boulder & Rock LLC:** 2009-08-10 through 2013-10-29; derived from co-tenure at mine 3503724; source `msha-controller-operator-history`.
- **Farmington Landfill LLC et al → Farmington Mobile Crushing LLC:** 2013-10-30 through 2023-03-12; derived from co-tenure at mine 3503724; source `msha-controller-operator-history`.
- **Rogers Excavating Inc et al → Farmington Mobile Crushing LLC:** 2013-10-30 through 2023-03-12; derived from co-tenure at mine 3503724; source `msha-controller-operator-history`.
- **CFA 3 Inc et al → Farmington Mobile Crushing LLC:** 2023-03-13 through current/open; derived from co-tenure at mine 3503724; source `msha-controller-operator-history`.
- **Rogers Excavating Inc et al → Farmington Mobile Crushing LLC:** 2023-03-13 through current/open; derived from co-tenure at mine 3503724; source `msha-controller-operator-history`.
- **Peter F Adams et al → Farmington Mobile Crushing LLC:** 2023-03-13 through current/open; derived from co-tenure at mine 3503724; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 12
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 3 since 2021:** Accidents and injuries 6 historical accident/injury rows; 0 coded fatalities and 73 lost days across the published record.
2. **COMPLIANCE — 53 since 2021:** Violations and penalties 124 violation rows across the full record; 23 carry an S&S flag and $45,855 appears in current assessed amounts.
3. **HEALTH — 12 samples:** Occupational health samples 12 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 10 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 civil-penalty docket/decision rows, and 2 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 — 20 since 2021:** Inspections 56 inspection events and 791 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 56.4203 — Extinguisher recharging or replacement.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4203
- **30 CFR 56.4104 — Combustible waste.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4104
- **30 CFR 56.11001 — Safe access.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 56.14132 — Horns and backup alarms.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **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 56.14100 — 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 56.12008 — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 6 rows; 2010-03-19 through 2025-05-02; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2015-05-11 through 2015-05-11; source ID `msha-addresses`
- **Assessed Violations:** 120 rows; 2009-12-01 through 2026-04-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2013-08-15 through 2016-12-28; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2014-05-14 through 2018-05-31; source ID `msha-conferences`
- **Contested Violations:** 4 rows; 2012-05-08 through 2016-06-01; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 276 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 76 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 2009-08-10 through 2013-10-30; source ID `msha-controller-operator-history`
- **Inspections:** 56 rows; 2009-12-01 through 2026-10-01; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 36 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:** 12 rows; 2009-12-02 through 2025-08-14; source ID `msha-personal-health-samples`
- **Violations:** 124 rows; 2009-12-01 through 2026-10-01; 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/parkin-quarry-3503724`
- JSON: `/api/v1/mines/parkin-quarry-3503724`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3503724/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3503724/relationships`
- MCP resource: `mine://3503724/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`