# Trident Plant & Quarry

- **MSHA mine ID:** 2400014
- **Status:** Active
- **Type / commodity:** Facility / Cement
- **Location:** Gallatin, MT
- **Operator:** GCC Trident LLC
- **Controller:** GCC SAB de CV
- **Public source rows linked:** 3,583
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**GCC SAB de CV (M10343) → GCC Trident LLC (0158814) → Trident Plant & Quarry (2400014)**

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

## Controller and operator valid-time history

- **Ideal Basic Industries Inc → Ideal Cement Company:** 1950-01-01 through 1989-06-20; derived from co-tenure at mine 2400014; source `msha-controller-operator-history`.
- **Holcim Ltd → Holnam Inc:** 1989-06-21 through 2001-12-11; derived from co-tenure at mine 2400014; source `msha-controller-operator-history`.
- **Holcim Ltd → Holcim (US) Incorporated:** 2001-12-12 through 2015-07-09; derived from co-tenure at mine 2400014; source `msha-controller-operator-history`.
- **Holcim Ltd → Holcim (US) Incorporated:** 2015-07-10 through 2015-07-31; derived from co-tenure at mine 2400014; source `msha-controller-operator-history`.
- **CRH PLC → CRH US:** 2015-08-01 through 2018-06-22; derived from co-tenure at mine 2400014; source `msha-controller-operator-history`.
- **GCC SAB de CV → GCC Trident LLC:** 2018-06-23 through current/open; derived from co-tenure at mine 2400014; source `msha-controller-operator-history`.
- **Amrize Ltd → Holcim (US) Incorporated:** 2025-06-23 through 2015-07-31; derived from co-tenure at mine 2400014; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 19
- 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 — 14 since 2021:** Accidents and injuries 105 historical accident/injury rows; 0 coded fatalities and 878 lost days across the published record.
2. **COMPLIANCE — 123 since 2021:** Violations and penalties 682 violation rows across the full record; 114 carry an S&S flag and $162,761 appears in current assessed amounts.
3. **HEALTH — 50 samples:** Occupational health samples 50 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 45K employee hours and 88 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 137 linked rows:** Contests, conferences and decisions 54 contested-violation rows, 54 civil-penalty docket/decision rows, and 29 conference records linked by issuance number.
6. **CONTRACTORS — 9 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 — 25 since 2021:** Inspections 112 inspection events and 5K 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 50.10 — Immediate notification.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-B/section-50.10
- **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 50.20-7 — Criteria—MSHA Form 7000-1, Section D.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20-7
- **30 CFR 56.19120 — Procedures for inspection, testing, and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-R/section-56.19120
- **30 CFR 56.14205 — Machinery, equipment, and tools.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14205
- **30 CFR 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **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 56.12016 — Work on electrically-powered equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12016

## Source coverage

- **Accident, Injuries, and Illnesses:** 105 rows; 2000-01-20 through 2025-10-29; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1973-02-15 through 1973-02-15; source ID `msha-addresses`
- **Assessed Violations:** 679 rows; 2000-09-19 through 2026-07-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 54 rows; 2005-04-26 through 2023-12-15; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 29 rows; 2001-10-18 through 2020-10-06; source ID `msha-conferences`
- **Contested Violations:** 54 rows; 2004-09-15 through 2023-02-16; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,166 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 244 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1950-01-01 through 2018-06-23; source ID `msha-controller-operator-history`
- **Inspections:** 112 rows; 2000-07-14 through 2026-07-16; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 318 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 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:** 50 rows; 2001-01-11 through 2025-04-02; source ID `msha-personal-health-samples`
- **Violations:** 682 rows; 2000-09-19 through 2026-07-16; 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/trident-plant-quarry-2400014`
- JSON: `/api/v1/mines/trident-plant-quarry-2400014`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2400014/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2400014/relationships`
- MCP resource: `mine://2400014/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`