# Erwin Pit Two

- **MSHA mine ID:** 2902575
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Quay, NM
- **Operator:** Pacheco Construction & Trucking, Inc
- **Controller:** Veronica  Pacheco; Joshua J Pacheco
- **Public source rows linked:** 34
- **Source coverage:** 6 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Veronica  Pacheco; Joshua J Pacheco (0162561) → Pacheco Construction & Trucking, Inc (L37014) → Erwin Pit Two (2902575)**

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

## Controller and operator valid-time history

- **Joshua J Pacheco et al → Pacheco Construction & Trucking, Inc:** 2026-01-28 through current/open; derived from co-tenure at mine 2902575; source `msha-controller-operator-history`.
- **Veronica  Pacheco et al → Pacheco Construction & Trucking, Inc:** 2026-01-28 through current/open; derived from co-tenure at mine 2902575; source `msha-controller-operator-history`.
- **Albert  Pacheco → Pacheco Construction & Trucking, Inc:** 2026-01-28 through 2021-05-06; derived from co-tenure at mine 2902575; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 6
- Interval anomalies: 1
- 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 14 since 2021:** Violations and penalties 14 violation rows across the full record; 4 carry an S&S flag and $2,343 appears in current assessed amounts.
3. **HEALTH — 0 samples:** Occupational health samples No published samples. 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 — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 — 1 since 2021:** Inspections 1 inspection events and 34 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 56.18010 — First aid.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18010
- **30 CFR 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130
- **30 CFR 56.12022 — Authorized persons at major electrical installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12022
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **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
- **30 CFR 56.15004 — Eye protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15004
- **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 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
- **30 CFR 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **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 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **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

## Source coverage

- **Addresses of Record:** 1 rows; 2026-01-29 through 2026-01-29; source ID `msha-addresses`
- **Assessed Violations:** 14 rows; 2026-01-28 through 2026-04-16; source ID `msha-assessed-violations`
- **Controller and Operator History:** 3 rows; 2026-01-28 through 2026-01-28; source ID `msha-controller-operator-history`
- **Inspections:** 1 rows; 2026-01-28 through 2026-01-28; source ID `msha-inspections`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Violations:** 14 rows; 2026-01-28 through 2026-04-16; 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/erwin-pit-two-2902575`
- JSON: `/api/v1/mines/erwin-pit-two-2902575`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2902575/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2902575/relationships`
- MCP resource: `mine://2902575/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`