# Iron Mountain Quarry

- **MSHA mine ID:** 4503175
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Traprock
- **Location:** Snohomish, WA
- **Operator:** Iron Mountain Quarry LLC
- **Controller:** James  Burnett; Lawrence P.  Hughes
- **Public source rows linked:** 1,808
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**James  Burnett; Lawrence P.  Hughes (M09806) → Iron Mountain Quarry LLC (L12791) → Iron Mountain Quarry (4503175)**

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

## Controller and operator valid-time history

- **James  Burnett et al → Iron Mountain Quarry LLC:** 1988-08-01 through current/open; derived from co-tenure at mine 4503175; source `msha-controller-operator-history`.
- **Lawrence P.  Hughes et al → Iron Mountain Quarry LLC:** 1988-08-01 through current/open; derived from co-tenure at mine 4503175; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 4
- 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 19 historical accident/injury rows; 0 coded fatalities and 579 lost days across the published record.
2. **COMPLIANCE — 82 since 2021:** Violations and penalties 334 violation rows across the full record; 72 carry an S&S flag and $130,331 appears in current assessed amounts.
3. **HEALTH — 87 samples:** Occupational health samples 87 personal. 2 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 15K employee hours and 26 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 198 linked rows:** Contests, conferences and decisions 65 contested-violation rows, 82 civil-penalty docket/decision rows, and 51 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 88 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 56.20003 — Housekeeping.** (3 retained recent rows) — 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 56.14101 — Brakes.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **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 56.12004 — 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 56.11001 — 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 56.12028 — 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 56.14110 — Flying or falling materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14110
- **30 CFR 56.14103 — Operators stations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14103

## Source coverage

- **Accident, Injuries, and Illnesses:** 19 rows; 2001-12-05 through 2025-03-18; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1989-11-30 through 1989-11-30; source ID `msha-addresses`
- **Assessed Violations:** 326 rows; 2000-07-19 through 2026-08-05; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 82 rows; 2000-02-03 through 2026-05-20; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 51 rows; 2000-07-31 through 2025-07-18; source ID `msha-conferences`
- **Contested Violations:** 65 rows; 2000-07-19 through 2025-02-19; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 409 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 77 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1988-08-01 through 1988-08-01; source ID `msha-controller-operator-history`
- **Inspections:** 88 rows; 2000-07-19 through 2026-08-03; 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:** 87 rows; 2002-08-29 through 2026-08-13; source ID `msha-personal-health-samples`
- **Violations:** 334 rows; 2000-07-19 through 2026-08-05; 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/iron-mountain-quarry-4503175`
- JSON: `/api/v1/mines/iron-mountain-quarry-4503175`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4503175/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4503175/relationships`
- MCP resource: `mine://4503175/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`