# Superior

- **MSHA mine ID:** 0202387
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Granite
- **Location:** Pinal, AZ
- **Operator:** Rock Pros USA
- **Controller:** The Shepherd Family Living Trust; The Lin Irrevocable Trust
- **Public source rows linked:** 766
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**The Shepherd Family Living Trust; The Lin Irrevocable Trust (0152201) → Rock Pros USA (0167653) → Superior (0202387)**

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

## Controller and operator valid-time history

- **Paul E  D'Alessio → Able Earth Extraction Inc:** 1987-09-01 through 2014-12-16; derived from co-tenure at mine 0202387; source `msha-controller-operator-history`.
- **Paul E  D'Alessio → Kalamazoo Materials Inc:** 2014-12-17 through 2023-01-02; derived from co-tenure at mine 0202387; source `msha-controller-operator-history`.
- **The Shepherd Family Living Trust et al → Kalamazoo Materials Inc:** 2023-01-03 through 2025-06-15; derived from co-tenure at mine 0202387; source `msha-controller-operator-history`.
- **The Lin Irrevocable Trust et al → Kalamazoo Materials Inc:** 2023-01-03 through 2025-06-15; derived from co-tenure at mine 0202387; source `msha-controller-operator-history`.
- **The Shepherd Family Living Trust et al → Rock Pros USA:** 2025-06-16 through current/open; derived from co-tenure at mine 0202387; source `msha-controller-operator-history`.
- **The Lin Irrevocable Trust et al → Rock Pros USA:** 2025-06-16 through current/open; derived from co-tenure at mine 0202387; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 13
- 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 1 historical accident/injury rows; 0 coded fatalities and 35 lost days across the published record.
2. **COMPLIANCE — 41 since 2021:** Violations and penalties 129 violation rows across the full record; 46 carry an S&S flag and $36,148 appears in current assessed amounts.
3. **HEALTH — 21 samples:** Occupational health samples 21 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 8K employee hours and 16 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 — 15 since 2021:** Inspections 71 inspection events and 827 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 56.23003 — Requirements for written safety program.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-T/section-56.23003
- **30 CFR 46.9 — Records of training.** (2 retained recent rows) — 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 56.14101 — 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 56.14112 — 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 56.5001 — Exposure limits for airborne contaminants.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-D/section-56.5001
- **30 CFR 46.5 — New miner training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.5
- **30 CFR 56.20003 — Housekeeping.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2017-08-23 through 2017-08-23; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-08-05 through 2013-08-05; source ID `msha-addresses`
- **Assessed Violations:** 129 rows; 2000-04-20 through 2026-03-11; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2024-05-28 through 2025-06-06; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 2 rows; 2023-11-07 through 2024-12-18; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 162 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 43 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 1987-09-01 through 2025-06-16; source ID `msha-controller-operator-history`
- **Inspections:** 71 rows; 2000-03-06 through 2026-09-03; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 160 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 38 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:** 21 rows; 2003-07-31 through 2024-12-18; source ID `msha-personal-health-samples`
- **Violations:** 129 rows; 2000-04-20 through 2026-03-11; 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/superior-0202387`
- JSON: `/api/v1/mines/superior-0202387`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0202387/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0202387/relationships`
- MCP resource: `mine://0202387/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`