# Queen Creek Mine

- **MSHA mine ID:** 0202884
- **Status:** Abandoned
- **Type / commodity:** Surface / Pumice
- **Location:** Pinal, AZ
- **Operator:** Arizona Pacific Materials LLC
- **Controller:** Highbridge/Coral Ltd; Rockmore Investment Master Fund Ltd
- **Public source rows linked:** 1,273
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Highbridge/Coral Ltd; Rockmore Investment Master Fund Ltd (0084313) → Arizona Pacific Materials LLC (0099885) → Queen Creek Mine (0202884)**

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

## Controller and operator valid-time history

- **Greenberg Trust → Arizona Pacific Materials LLC:** 2000-06-01 through 2004-09-15; derived from co-tenure at mine 0202884; source `msha-controller-operator-history`.
- **Pacific Coast Building Products → Arizona Pacific Materials LLC:** 2000-06-01 through 2004-09-15; derived from co-tenure at mine 0202884; source `msha-controller-operator-history`.
- **Western Power & Equipment → Arizona Pacific Materials LLC:** 2004-09-16 through 2009-03-20; derived from co-tenure at mine 0202884; source `msha-controller-operator-history`.
- **Highbridge/Coral Ltd  et al → Arizona Pacific Materials LLC:** 2009-03-21 through current/open; derived from co-tenure at mine 0202884; source `msha-controller-operator-history`.
- **Rockmore Investment Master Fund Ltd  et al → Arizona Pacific Materials LLC:** 2009-03-21 through current/open; derived from co-tenure at mine 0202884; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 10
- 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 7 historical accident/injury rows; 0 coded fatalities and 14 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 97 violation rows across the full record; 33 carry an S&S flag and $23,500 appears in current assessed amounts.
3. **HEALTH — 11 samples:** Occupational health samples 11 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 923 employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 8 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 7 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 4 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 — 0 since 2021:** Inspections 28 inspection events and 456 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 56.1000 — Notification of commencement of operations and closing of mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000
- **30 CFR 56.20011 — Barricades and warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20011
- **30 CFR 56.15020 — Life jackets and belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15020
- **30 CFR 56.14132 — Horns and backup alarms.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **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 56.11002 — 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 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 46.8 — Annual refresher training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8
- **30 CFR 56.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.12040 — Installation of operating controls.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12040

## Source coverage

- **Accident, Injuries, and Illnesses:** 7 rows; 2000-06-28 through 2010-02-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2010-05-11 through 2010-05-11; source ID `msha-addresses`
- **Assessed Violations:** 96 rows; 2000-06-28 through 2010-08-11; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 7 rows; 2002-04-10 through 2002-04-23; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2000-09-25 through 2000-09-25; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 770 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 154 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 2000-06-01 through 2009-03-21; source ID `msha-controller-operator-history`
- **Inspections:** 28 rows; 2000-06-28 through 2010-08-11; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 75 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 20 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:** 11 rows; 2000-09-14 through 2009-04-07; source ID `msha-personal-health-samples`
- **Violations:** 97 rows; 2000-06-28 through 2010-08-11; 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/queen-creek-mine-0202884`
- JSON: `/api/v1/mines/queen-creek-mine-0202884`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0202884/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0202884/relationships`
- MCP resource: `mine://0202884/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`