# Mesquite Quarry

- **MSHA mine ID:** 2902442
- **Status:** Intermittent
- **Type / commodity:** Surface / Sand, Common
- **Location:** Dona Ana, NM
- **Operator:** GCC Sun City Materials LLC
- **Controller:** GCC SAB de CV
- **Public source rows linked:** 147
- **Source coverage:** 9 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**GCC SAB de CV (M10343) → GCC Sun City Materials LLC (0148714) → Mesquite Quarry (2902442)**

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

## Controller and operator valid-time history

- **Sanchez Holdings LLC → Sanchez Holdings LLC:** 2014-11-26 through 2025-04-23; derived from co-tenure at mine 2902442; source `msha-controller-operator-history`.
- **GCC SAB de CV → GCC Sun City Materials LLC:** 2025-04-24 through current/open; derived from co-tenure at mine 2902442; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 3 since 2021:** Violations and penalties 12 violation rows across the full record; 0 carry an S&S flag and $1,342 appears in current assessed amounts.
3. **HEALTH — 1 samples:** Occupational health samples 1 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 1K employee hours and 3 summed average employees across reported subunits in the latest published quarter.
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 — 8 since 2021:** Inspections 15 inspection events and 137 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.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.9300 — Berms or guardrails.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **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 56.12008 — 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 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **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 47.51 — Requirement for an MSDS.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-F/section-47.51
- **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 56.14132 — 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 56.18012 — Emergency telephone numbers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18012

## Source coverage

- **Addresses of Record:** 1 rows; 2014-12-05 through 2014-12-05; source ID `msha-addresses`
- **Assessed Violations:** 12 rows; 2015-01-21 through 2021-11-09; source ID `msha-assessed-violations`
- **Controller and Operator History:** 2 rows; 2014-11-26 through 2025-04-24; source ID `msha-controller-operator-history`
- **Inspections:** 15 rows; 2015-01-21 through 2026-08-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 86 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 17 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:** 1 rows; 2021-11-10 through 2021-11-10; source ID `msha-personal-health-samples`
- **Violations:** 12 rows; 2015-01-21 through 2021-11-09; 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/mesquite-quarry-2902442`
- JSON: `/api/v1/mines/mesquite-quarry-2902442`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2902442/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2902442/relationships`
- MCP resource: `mine://2902442/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`